All tools

411 tools for documents, images, media and code, all running in your browser.

PDF Tools

Merge PDF: Combine multiple PDFs into one ordered document with drag-and-drop sorting.
Split PDF: Split by ranges, every N pages, or extract each page into a ZIP.
Compress PDF: Shrink PDF size with smart image downsampling and stream compression.
Organize PDF: Visually reorder, rotate, duplicate and delete pages with thumbnails.
Delete Pages: Remove selected pages and download the trimmed document.
Extract Pages: Pull selected pages into a brand-new PDF.
Rotate PDF: Rotate selected pages or the whole document.
Add Page Numbers: Stamp page numbers with position, format and font controls.
Watermark PDF: Stamp text or logo watermarks with opacity, rotation and tiling.
Header & Footer: Add running headers and footers with dates, titles and page tokens.
Sign PDF: Draw, type or upload a signature and place it anywhere, plus dates and initials.
Edit PDF: Add text, shapes, highlights, images and freehand drawing to any page.
Protect PDF: Encrypt a PDF with a password and set print/copy permissions.
Unlock PDF: Remove the password from a PDF you have access to.
Redact PDF: Black out areas or auto-find emails, phones and card numbers, then flatten.
PDF to Grayscale: Convert color PDFs to grayscale or high-contrast black & white.
Crop PDF: Trim page margins visually or by exact measurements.
Flatten PDF: Flatten form fields and annotations into static page content.
PDF Metadata: View and edit title, author, subject, keywords and dates.
Fill PDF Form: Detect form fields and fill text boxes, checkboxes and dropdowns.
Compare PDF: Side-by-side text diff of two PDF versions.
N-up / Booklet: Print 2, 4 or 9 pages per sheet, or impose a booklet.
OCR PDF: Recognise text in scanned PDFs and images in 10+ languages.
PDF Reader: Fast viewer with search, zoom, thumbnails and outline.
Insert Pages: Insert blank pages or pages from another PDF at any position.
Repair PDF: Rebuild broken or malformed PDFs by re-writing the document structure.
Invoice Generator: Create GST/VAT invoices with automatic totals and a polished PDF.
Resume Builder: Fill a form, pick a template, download an ATS-friendly PDF resume.
Change PDF Page Size: Scale or fit pages to A4, Letter, A5 or a custom size, with margins. Text stays sharp.
Split Pages in Half: Cut two-page spreads and two-up scans into single pages, left and right or top and bottom.
Flip / Mirror PDF: Mirror PDF pages left to right or top to bottom for transfers, back-lit prints and glass scans.
Overlay PDF: Lay one PDF over or under another: letterheads, stationery, form backgrounds and stamps.
Print Poster (Tile PDF): Enlarge one page across several sheets with overlap, cut marks and sheet labels.
Alternate & Mix PDFs: Interleave front and back scans into one double-sided PDF, or mix pages from several files.
Edit Bookmarks / Outline: Add, edit, reorder and nest PDF bookmarks, or build them from the headings in the text.
Edit PDF Links: Add, move and remove web and page links, or turn every web address in the text into a link.
Create Fillable PDF Form: Add text fields, checkboxes, radio buttons, dropdowns, lists and signature fields to any PDF.
PDF Attachments: List, extract, add and remove files embedded inside a PDF.
PDF Viewer Preferences: Set the opening page, zoom, page layout, side panel, full screen and toolbar options.
Remove Annotations: Strip comments, highlights, drawings, stamps, links or form fields, by type and page.
Sanitize PDF: Remove JavaScript, embedded files, links, metadata, comments and hidden layers before sharing.
PDF Inspector: See page sizes, fonts and whether they are embedded, images, scripts, version, encryption and word counts.
Rasterize PDF: Turn every page into an image-only PDF at the resolution you choose.
Remove Blank Pages: Find and delete blank or nearly blank scanned pages automatically, with a manual override.
Adjust PDF Colors: Dark mode, invert, grayscale, sepia, black and white, contrast and color replacement for PDFs.
Extract PDF Images: Pull embedded images out of a PDF at original quality and download them as a ZIP.
Search in PDFs: Full-text search across many PDFs at once, with context and the match highlighted on the page.
Web-Optimize PDF: Linearize a PDF for fast web view and pack it with compressed object streams.
PDF to PDF/A: Convert to archival PDF/A-1b, 2b or 3b: color profile, XMP metadata, no scripts, with a strict image mode.
Check PDF/A: Quick PDF/A report: identification, fonts, color profile, encryption, scripts, transparency and metadata.
PDF Accessibility Checker: Check tags, alt text, language, title, headings, table headers, tab order and real text.
Digital Signature (Certificate): Sign a PDF with your .p12 or .pfx certificate, visibly or invisibly, without uploading it.
Verify PDF Signatures: Check digital signatures: was the file changed, who signed it, certificate chain and timestamps.
Scan to PDF: Turn phone photos or your camera into a clean multi-page PDF: edge detection, straightening, black and white.
Cover Letter Builder: Write a cover letter from a template, pick a design, and bundle it with your resume and certificates into one PDF.
E-Invoice Generator: Create EN 16931 e-invoices: Factur-X / ZUGFeRD PDF with embedded XML, or XRechnung in CII or UBL.
E-Invoice Viewer & Validator: Read XRechnung, UBL, CII and Factur-X / ZUGFeRD invoices in plain language and check their totals and rules.
PDF Embed Code: Generate HTML to embed a PDF on your website: a PDF.js viewer that works on phones, or iframe and object code.

Convert

PDF to Image: Export PDF pages as crisp PNG, JPG or WEBP at any DPI.
Image to PDF: Combine JPG, PNG and WEBP into one PDF with page-size controls.
PDF to Text: Extract text from every page, with layout-aware ordering.
PDF to Word: Convert PDF text into an editable DOCX document.
Word to PDF: Turn DOCX files into well-formatted PDFs.
PDF to PowerPoint: Turn each PDF page into a slide in a PPTX deck.
Excel to PDF: Render XLSX/CSV sheets as clean paginated PDF tables.
PDF to Excel: Pull tabular text from PDFs into an XLSX spreadsheet.
Markdown to PDF: Write Markdown with a live preview and export a beautiful PDF.
HTML to PDF: Paste HTML or a URL and convert it into a PDF.
Text to PDF: Turn plain text into a paginated PDF with fonts and margins.
HEIC Converter: Convert Apple HEIC/HEIF photos to JPG, PNG or WEBP.
CSV & Excel Converter: Convert CSV, XLSX, JSON, Markdown, TSV, HTML and SQL both ways.
EPUB to PDF: Convert e-books into printable PDFs.
PDF to Markdown: Turn PDF text into clean Markdown with headings, lists, bold and italic text, and tables.
PDF to HTML: Convert a PDF into a clean responsive web page, or an exact-looking page with selectable text.
PDF to EPUB: Make a reflowable EPUB e-book from a PDF, with chapters, a contents list and a cover.
PDF to RTF: Convert PDF text into an RTF document with paragraphs, headings, lists, tables and images kept.
PDF to ODT / ODS / ODP: Convert a PDF to OpenDocument text, spreadsheet or presentation for LibreOffice and friends.
PDF to TIFF: Export PDF pages as a multi-page TIFF in color, grayscale or black and white, with LZW or ZIP compression.
SVG to PDF: Convert SVG graphics to a vector PDF, one page per file, at their own size or on A4 or Letter.
ZIP to PDF: Turn every image, PDF and text file inside a ZIP into one PDF, in the order you choose.
PDF to SVG: Turn PDF pages into SVG files with sharp vector shapes, real text and the original fonts, ready to edit.
PowerPoint to PDF: Convert PPTX slides to PDF in your browser, as slides, slides with speaker notes, or handouts.
XPS to PDF: Convert XPS and OXPS documents to PDF, PNG or SVG, with searchable text, right in your browser.
Document Converter: Convert DOCX, ODT, RTF, Markdown, HTML, TXT and EPUB to Word, PDF, Markdown, HTML, TXT, RTF or EPUB.
Office Viewer: View Word, Excel and PowerPoint files (DOCX, XLSX, XLS, ODS, CSV, PPTX), plus ODT and RTF, without converting.
Markdown to Word: Turn Markdown into a real Word document with headings, lists, tables, links and code.
Word to Markdown: Convert DOCX to clean Markdown with headings, lists, links and tables.
RTF Viewer and Converter: Open RTF files (with tables and WMF or EMF pictures) and convert them to PDF, Word, HTML or text.
Email Viewer (EML, MSG, MBOX): Open EML, Outlook MSG and MBOX files, save attachments and export messages as PDF.

Image

Image Compressor: Shrink images in bulk with quality and width controls and live savings.
Image Converter: Convert JPG, PNG, WEBP, AVIF, BMP, GIF and ICO in bulk.
Image Resizer: Resize to exact pixels, percentages or social presets.
Image Cropper: Crop with aspect ratios, social presets and circle avatars.
Background Remover: Remove image backgrounds with on-device AI. Replace with color or blur.
Image Upscaler: Upscale images 2× to 4× with AI super-resolution.
Rotate & Flip: Rotate by any angle or flip images horizontally/vertically.
Image Watermark: Add text or logo watermarks to images in bulk.
Add Text to Image: Place styled text anywhere with fonts, shadows and outlines.
Rounded Corners: Round image corners or make a perfect circle with transparency.
Photo Editor & Filters: Brightness, contrast, saturation, blur, presets and more.
Blur & Redact Image: Auto-detect faces or paint areas to blur or pixelate.
EXIF Viewer & Remover: Inspect camera/GPS metadata and strip it for privacy.
Image to SVG: Vectorize PNG/JPG into scalable SVG paths.
Screenshot Studio: Beautify screenshots with backgrounds, padding, shadows and frames.
Collage Maker: Arrange photos into grid layouts with spacing and borders.
Meme Generator: Classic top/bottom caption memes from any image.
GIF Maker: Turn a set of images into an animated GIF.
Image to Base64: Encode images as data URIs, or decode Base64 back to images.
Image Splitter: Slice an image into a grid of tiles (Instagram carousels).
Image Color Picker: Pick exact pixel colors from any image with a loupe.
Compress Image to Size: Shrink a photo to an exact file size like 20 KB, 50 KB or 100 KB by searching quality and dimensions.
RAW Photo Converter: Develop camera RAW files (CR2, CR3, NEF, ARW, DNG, RAF, ORF and more) to JPG, PNG or TIFF with exposure and white balance.
Pro Image Converter: Convert long-tail image formats: TIFF, JPEG XL, QOI, JPEG 2000, PSD, TGA, PCX, DDS, XCF, Netpbm, SGI, PICT, XBM, XPM, HDR and more.
Passport Photo Maker: Make passport, visa and ID photos for many countries with face-centred cropping, a clean background and printable sheets.
PSD Viewer & Layer Export: Open Photoshop PSD and PSB files, show or hide layers, and export layers or the full image as PNG.
Compare Images: Compare two images with a slider, side by side, onion skin or a pixel difference heatmap, with percent changed and PSNR.
Photo Effects & Frames: Duotone, glitch, film grain, outline, drop shadow, polaroid, borders, mirror, kaleidoscope, colour splash, vignette and pencil sketch.
HDR & EXR Viewer: Open OpenEXR and Radiance HDR images, adjust exposure and tone-map them to PNG, JPG, WEBP or AVIF.
Halftone Generator: Turn photos into dot, line, square or CMYK halftone art with screen angle, ink and paper colours.
Pixel Art & Dither: Pixelate photos with retro palettes (Game Boy, CGA, PICO-8, NES, C64) and Floyd-Steinberg, Atkinson or Bayer dithering.
DICOM Viewer: View DICOM series, NIfTI and NRRD medical images with window and level, slice scrubbing and PNG export.
EXIF Metadata Editor: Edit photo metadata: date taken, GPS location, author, copyright, camera and description, for JPEG, PNG and WebP.
Layer Image Editor: Edit images with layers in your browser: blend modes, opacity, move, scale and rotate, text, shapes, brush, eraser, crop, filters, undo and redo.
GIF Compressor: Shrink GIFs and animated WebP with lossy compression, fewer colours, frame dropping or a target file size.
GIF Frame Editor: Reorder, delete, duplicate and retime frames, set loop count, add frames, then save as GIF, APNG, WebP or video.
Animated Image Converter: Convert between GIF, APNG, animated WebP and AVIF, and turn video clips into GIF, APNG or WebP.
Resize, Crop & Rotate GIF: Resize, crop, rotate, flip or change the canvas and aspect ratio of GIF, APNG and WebP animations.
GIF Speed, Reverse & Cut: Speed up or slow down an animation, play it backwards or as a boomerang, and cut a frame range.
Add Text & Images to GIF: Animated captions, a white caption bar, logos and stickers on chosen frames, and freehand drawing on GIFs.
GIF Effects & Filters: Colour filters, rounded corners, censor areas, pixel art, halftone, transparency and AI background removal for animations.
Combine GIFs: Put animations side by side, stacked, in a grid, or one after another, with shared timing.
GIF to Frames: Split a GIF, APNG, WebP or short clip into PNG, JPG or WebP frames and download them as a ZIP.
Animate a Still Image: Make a still image shake, pulse, zoom, spin, glitch or wobble, or fade between several images.
GIF Inspector: See frames, delays, disposal, palette, loop count and the block structure of GIF, APNG and WebP files.
Repair GIF: Recover cut-off or damaged GIFs by keeping every frame that can still be read and writing a clean file.
Sprite Sheet Maker & Cutter: Turn a GIF, clip or images into a sprite sheet with CSS and JSON, or cut a sheet back into frames or a GIF.
GIF to C Array (Arduino / OLED): Convert a GIF or image into monochrome byte arrays for SSD1306 OLEDs with Adafruit GFX or U8g2.
Animated WebP Maker: Build an animated WebP from images or a video clip, with transparency, timing and loop control.
APNG Maker: Build an animated PNG from images or a clip, with full transparency and per-frame timing.
JPEG XL Converter: Convert images to JPEG XL with lossy or lossless encoding, effort and progressive options.
Lottie & TGS Converter: Preview Lottie JSON, .lottie and Telegram .tgs stickers and render them to GIF, APNG, WebP, MP4 or WebM.
Aseprite Converter: Open .aseprite and .ase files and export GIF, APNG, WebP, MP4 or a sprite sheet, by tag and with crisp scaling.
Motion Photo & Live Photo Extractor: Pull the video out of Google and Samsung motion photos and Apple Live Photo bundles, as MP4, GIF or a still.
Retro Animation Converter: Convert FLI/FLC, Amiga ANIM and IFF, Deluxe Paint ANM, CDXL, MNG and Smush animations to GIF, APNG, WebP or MP4.

Video

Video Trimmer: Trim and cut clips with a visual timeline, no re-upload.
Video Compressor: Compress videos with quality presets and target resolution.
Video Converter: Convert between MP4, WEBM, MOV, MKV and AVI.
Video to GIF: Turn a clip into an optimized animated GIF.
Extract Audio: Pull the soundtrack from a video as MP3, WAV or AAC.
Mute Video: Remove the audio track from any video.
Video Speed: Speed up or slow down a video from 0.25× to 4×.
Merge Videos: Join multiple clips into one video.
Video Upscaler: Upscale video to 1080p, 1440p or 4K with Lanczos + sharpening.
Video to Frames: Grab frames as images at any interval.
Screen Recorder: Record screen + webcam bubble with mic and system audio.
Webcam Recorder: Record webcam video with mirror and countdown.
Crop Video: Crop a video visually with aspect presets for Reels, Shorts and TikTok (9:16), square (1:1) and portrait (4:5).
Rotate & Flip Video: Rotate a video 90, 180 or 270 degrees or mirror it, with an instant no-quality-loss option for MP4 and MOV.
Reverse Video: Play a video backwards with reversed sound, or make a forward-and-back boomerang loop.
Resize Video: Change resolution or aspect ratio with platform presets, filling the space with a blurred copy or a colour.
Loop Video: Repeat a clip a number of times or up to an exact length. Repeating is lossless and fast.
Watermark Video: Add a text or logo watermark to a video with position, size and opacity controls.
Add Text & Stickers to Video: Timed text, emoji stickers, freehand drawing and a progress bar on any video.
Add Audio to Video: Add music, replace the soundtrack, mix it with the original or add a second track, with a sync offset.
Picture in Picture & Background: Overlay a second video or image, place a video on a coloured or image background, or add a slow zoom.
Split Screen Video: Show 2 to 4 videos side by side, stacked or in a grid, with gap colour and sound choice.
Video Filters & Colour: Brightness, contrast, saturation, warmth, sharpen and unblur, blur, vignette, denoise and LUT colour grading.
Blur Part of a Video: Blur, pixelate or black out faces, plates and screens in fixed areas, for the whole video or a time range.
Stabilize Video: Reduce camera shake in handheld clips with an optional zoom to hide moving edges.
Frame Rate, Slow Motion & Time-lapse: Change frame rate, interpolate smooth motion, make slow motion, time-lapse or a stop-motion look.
Freeze Frame: Hold any moment of a video for a few seconds, then let it carry on.
Remove Logo from Video: Fill in a fixed logo, watermark or date stamp from the surrounding pixels.
Add Subtitles to Video: Burn SRT, VTT or ASS subtitles into a video with your style, or add them as a switchable track in MP4 or MKV.
Images to Video: Make a slideshow video from photos with music, crossfades, a slow Ken Burns zoom and per-slide timing.
PDF to Video: Turn the pages of a PDF or exported slide deck into a timed MP4 slideshow with music and transitions.
Green Screen Video: Remove a green or blue screen and replace it with a colour, image, another video or transparency.
Repair Video: Fix videos that will not play or seek by rebuilding the container and index, or re-encoding readable frames.
Media Info: See codecs, bitrate, resolution, frame rate, HDR, channels, chapters and tags of any video or audio file.
Teleprompter: Scroll your script over the camera preview while you record, with speed, size and mirror controls.
Webcam, Mic & Speaker Test: Check your camera, microphone level and left and right speakers before a call or recording.

Audio

Audio Editor & Trimmer: Trim, fade in/out, change volume and export with a waveform.
Audio Converter: Convert MP3, WAV, OGG, AAC, FLAC and M4A.
Voice Recorder: Record your voice with live waveform and export.
Audio Transcriber: Transcribe speech with on-device Whisper AI and export SRT.
Text to Speech: Read text aloud with system voices or a private neural voice, then save it as WAV.
Audio Merger: Join multiple audio files into one track.
Audio Speed and Pitch: Change speed without changing pitch, or shift pitch by semitones without changing speed.
Volume Booster and Normalizer: Make quiet audio or video louder, or even out loudness to a standard level (EBU R128).
Noise Reduction: Remove hiss, fan noise, hum and rumble from voice recordings and video sound.
Audio Tag Editor: Edit title, artist, album, year, genre, lyrics and cover art in MP3, M4A, FLAC and OGG files.
Ringtone Maker: Cut the best part of a song, add fades and save an iPhone M4R or an Android MP3 ringtone.
Reverse Audio: Play any sound backwards. Videos are reversed too.
Equalizer and Bass Boost: 10-band equalizer with bass boost, vocal and treble presets and a live preview.
Remove Silence: Cut silent parts and long pauses from audio or video automatically (jump cuts).
Audio Mixer: Layer tracks with their own volume, start time, pan and fades, then export one mix.
Split Audio: Split audio into equal parts, fixed lengths, at chosen times, or wherever there is silence.
Waveform and Spectrogram Image: Turn audio into waveform art or a spectrogram, as PNG or SVG.
MIDI Player and Converter: Play MIDI files, see the notes, mute tracks and render them to MP3 or WAV.
Audio to Video Visualizer: Turn a song or podcast clip into an MP4 with cover art and a moving waveform or spectrum.
PDF to Speech: Read PDFs, Word files and e-books aloud with natural AI voices and save an audiobook file.
Vocal Remover (Karaoke): Make a karaoke version of a stereo song and get a rough vocal track, right in your browser.

Developer

JSON Formatter: Prettify, validate, minify and explore JSON as a tree.
JWT Decoder: Decode JWT headers/payloads and check expiry locally.
Hash Generator: MD5, SHA-1, SHA-256, SHA-512 for text and files.
UUID Generator: Generate v4 and v7 UUIDs in bulk.
Password Generator: Strong random passwords and passphrases with strength meter.
QR Code Generator: QR codes for links, Wi-Fi, vCards and text with colors and logo.
QR Code Scanner: Scan QR codes from your camera or an image.
Barcode Generator: CODE128, EAN-13, UPC, CODE39 and more as PNG/SVG.
Regex Tester: Test regular expressions with live highlighting and groups.
Regex Builder: Build regular expressions from plain-language blocks.
Base64 Encode/Decode: Encode or decode Base64 text and files.
URL Encode/Decode: Encode/decode URLs and parse query strings.
cURL to Code: Convert cURL to JavaScript, Python, Go, Rust, PHP, Java and more.
Timestamp Converter: Unix epoch ⇄ human dates across time zones.
Cron Explainer: Explain cron expressions and preview next run times.
YAML ⇄ JSON: Convert between YAML and JSON with validation.
SQL Formatter: Beautify SQL for many dialects.
ERD Studio: Design database schemas and export SQL, Prisma and Drizzle.
HTML Entities: Escape and unescape HTML entities.
Number Base Converter: Binary, octal, decimal and hex conversion.
JSON to Types: Generate TypeScript, Zod, Go, Rust, Python, Java, C#, Swift, Kotlin, Dart, C++, PHP, Ruby, Elm types or JSON Schema from JSON.
Bcrypt / Argon2 / Scrypt Hasher: Hash and verify passwords with Argon2id, bcrypt, scrypt and PBKDF2.
Encrypt / Decrypt Text & Files: Password-protect text or any file with AES-256-GCM, ChaCha20-Poly1305 or OpenSSL-compatible AES.
PGP Encrypt / Sign / Keys: Generate PGP keys, encrypt and decrypt messages or files, sign and verify, and inspect keys.
RSA / ECDSA / SSH Key Generator: Generate Ed25519, ECDSA and RSA key pairs as OpenSSH, PEM and JWK.
Certificate / CSR / PEM Decoder: Decode X.509 certificates, CSRs, CRLs and any ASN.1 structure from PEM or DER.
TOTP / HOTP Generator: Generate and check 2FA codes, and make QR codes for authenticator apps.
BIP39 Mnemonic Generator: Generate and validate BIP39 seed phrases offline, in 10 languages, with the derived seed.
Classic Ciphers & Codes: Caesar, ROT13, ROT47, Vigenère, Atbash, Affine, Morse, Bacon, rail fence, XOR, NATO, Braille and more.
Encoding Toolbox (Recipe Chains): Chain encodings: Base64, hex, Base32/58/62/85, gzip, URL, punycode, quoted-printable, MessagePack, protobuf and more.
String Escape / Unescape: Escape or unescape text for JSON, JavaScript, Java, C#, Python, C, Go, SQL, CSV, regex, shell and HTML.
IP Subnet Calculator: IPv4 and IPv6 CIDR calculator, subnet splitter, range to CIDR and ULA generator.
MAC Address Lookup & Generator: Find the vendor of a MAC address offline, convert formats and generate random MACs.
Device & User-Agent Info: See your browser, OS, screen, GPU and supported features, or parse any user-agent string.
Meta / Open Graph Tag Generator: Write SEO, Open Graph and X card tags with live search and social previews.
HTTP Status Codes: Searchable list of HTTP status codes with plain meanings and when to use each.
MIME Type Lookup: Find the MIME type for a file extension, or the extensions for a MIME type.
Keycode Info: Press any key to see event.key, event.code, keyCode, location and modifiers.
Basic Auth Header Generator: Build or decode HTTP Authorization: Basic headers, with curl and fetch examples.
HTML WYSIWYG Editor: Write rich text like a word processor and get clean HTML you can copy or download.
docker run to Compose: Turn one or more docker run commands into a docker compose YAML file.
chmod Calculator: Convert Unix permissions between checkboxes, octal (755) and symbolic (rwxr-xr-x).
Phone Number Parser: Parse, validate and format international phone numbers, in bulk or found inside text.
IBAN & BIC Validator: Validate and parse IBAN and BIC/SWIFT codes offline, one at a time or in bulk.
File Type Identifier: Find out what a file really is from its magic bytes, with entropy and header view.
Hex Viewer: View any file as hex and ASCII, search bytes, inspect values and extract strings.
PO / MO / CSV Converter: Compile gettext PO to MO, decompile MO to PO, or move translations to CSV and Excel.
Bulk File Renamer: Rename many files with patterns, numbering, find and replace and photo dates. Save as ZIP or rename in place.
Git & Regex Cheat Sheets: Searchable cheat sheets for Git, regex, Markdown, Docker and the Linux shell.
Hash & ID Analyzer: Guess the hash type (MD5, SHA, bcrypt, NTLM and more) and decode the time inside UUIDs, ULIDs, ObjectIds and Snowflake IDs.
Dummy File Generator: Make test files of an exact size: random or zero bytes, text, CSV, JSON, and valid PDF, PNG, WAV and ZIP files.
Secret Scanner: Scan files, a folder or a ZIP for API keys, tokens, passwords and private keys before you share or commit.
Embedded File Extractor: Find and pull out pictures, PDFs, archives and audio hidden inside any file, like a lighter binwalk.
Shamir Secret Sharing: Split a password or seed phrase into shares so any 3 of 5 (or any k of n) can rebuild it, with QR codes.
DNS Lookup: Look up A, AAAA, MX, TXT, NS, CAA, SOA and more over DNS-over-HTTPS, or reverse an IP address.
JSON Repair & JSON5: Fix broken JSON (missing quotes, trailing commas, comments, cut-off data) and convert JSON5 or JSONC to JSON.
Password Strength Checker: See how fast a password could be guessed, which patterns give it away, and how to make it stronger, fully offline.
.gitignore & LICENSE Generator: Build a .gitignore from 25 stacks and editors, and write a LICENSE file with your name and year.
HAR File Viewer: Open browser network captures: waterfall, filters, headers, bodies, copy as cURL, and save a copy with secrets removed.
Keyboard, Mouse, Gamepad & Touch Test: Check every key and key rollover, mouse buttons, double click and polling rate, controller sticks and multitouch.

Text & Data

Diff Checker: Compare text and code side-by-side or inline.
Word Counter: Words, characters, sentences, reading time and keyword density.
Case Converter: UPPER, lower, Title, camelCase, snake_case, kebab-case and more.
Lorem Ipsum: Generate placeholder paragraphs, sentences or words.
Markdown Editor: Live split-pane Markdown editor with HTML export.
Date Calculator: Difference between dates, add/subtract days, business days.
Unit Converter: Length, weight, temperature, data, speed and more.
Text Cleaner: Remove duplicates, sort lines, trim spaces and strip line breaks.
Time Zone Converter: Convert times across zones, keep a world clock and find meeting times that suit everyone.
HTML to Markdown: Convert HTML or rich text pasted from web pages, Word or Docs into clean Markdown.
Spell & Grammar Checker: Check spelling and common grammar slips in text, DOCX or PDF, with one-click fixes.
Fancy Text Generator: Turn text into bold, italic, script, gothic, bubble and other Unicode styles for bios and posts.
Math Evaluator & Calculator: A calculator notebook with units, percentages, variables, matrices, plus a time-left (ETA) helper.
Stopwatch & Timer: Stopwatch with laps, countdown timer with alarm, and an interval timer for workouts.
Emoji Picker: Search and copy emoji by name, tag or :shortcode:, with skin tones and code points.
ASCII Art Text: Make FIGlet text banners in 30 fonts and copy them as text, code comments or PNG.
Coordinate Converter: Convert between decimal degrees, DMS, UTM and MGRS, and measure distance between points.
Random Generator: Random numbers, dice, coin flips, list picks, teams, strings, ports and dates.
Reverse Text: Reverse characters, words or lines, or flip text upside down.
Add / Remove Line Numbers: Number lines with your own format and padding, or strip existing line numbers.
Slug Generator: Make clean URL slugs from titles, with transliteration and length limits.
Extract Emails, URLs, IPs: Pull emails, URLs, domains, IPs, phone numbers, hashes, dates and more out of any text.
List Compare & Convert: Compare two lists (in both, only in one), dedupe, sort, shuffle, wrap and change separators.
Currency Converter: Convert currencies with daily European Central Bank rates and see the trend.
Readability Checker: Score how easy your writing is to read: Flesch, grade levels, hard sentences and a bionic reading view.
Keyword & Phrase Extractor: Pull out key phrases, word frequency and repeated 2 and 3 word phrases from any text, with CSV export.
Text Similarity & Fuzzy Match: Compare two texts with Levenshtein, Jaro-Winkler, cosine and more, or fuzzy match two lists of names.
Statistics Calculator: Mean, median, mode, standard deviation, quartiles, outliers, a histogram and linear regression from numbers or a CSV column.
ASCII / Box Table Generator: Turn CSV, TSV or Markdown into neat ASCII, Unicode box, Markdown or reStructuredText tables.
Number to Words: Write numbers in words, with lakh and crore, ordinals, years, currency and cheque wording, and turn words back into numbers.
Unicode Inspector & Invisible Character Finder: See every code point, find zero-width and look-alike characters, and normalize to NFC, NFD, NFKC or NFKD.
Text Encoding Detector & Converter: Detect the encoding of old text and subtitle files (Windows-1252, Shift_JIS, GBK and more) and convert them to UTF-8.
Roman Numeral Converter: Turn numbers into Roman numerals and back, many lines at once.
Morse Code Translator: Translate text to Morse code and decode dots and dashes back to text.
Duplicate Line Remover: Remove repeated lines, keep only repeats, ignore case and spaces.
Line Sorter: Sort lines A to Z, naturally, by length or number, reverse or shuffle them.
Text Wrapper: Break long text into lines of a set width without splitting words.
Pig Latin Translator: Translate English text into Pig Latin.
NATO Alphabet Speller: Spell text with Alfa, Bravo, Charlie and the rest.
Upside Down Text: Flip text upside down with look-alike characters.
Vowel Remover: Remove the vowels from every word.
Leet Speak Converter: Turn text into 1337 speak.

Design

Color Palette Extractor: Extract dominant colors and export CSS/Tailwind palettes.
Color Converter & Contrast: HEX, RGB, HSL, OKLCH conversion and WCAG contrast checks.
Gradient Generator: Design linear, radial and conic gradients and copy CSS.
CSS Studio: Box shadows, glassmorphism and neumorphism generators.
Favicon Generator: Full icon packs: ICO, Apple Touch, Android, manifest and HTML.
SVG Optimizer: Minify SVGs, export JSX or PNG.
Sketch Whiteboard: Infinite whiteboard with shapes, arrows, text and sticky notes.
Placeholder Image: Generate placeholder images in any size, color and text.
SVG Converter: Turn SVG or SVGZ into sharp PNG, JPG, WEBP, AVIF, BMP, TIFF, ICO or vector PDF at any size.
Icon Converter (ICO, ICNS, CUR, ANI): Make Windows ICO, macOS ICNS, cursors (CUR) and animated cursors (ANI) from any image, or extract every size from an icon as PNG.
HTML to Image: Render an HTML and CSS snippet to PNG, JPG, WEBP or SVG at high resolution.
Color Blindness Simulator: Preview designs, charts and photos as people with protanopia, deuteranopia, tritanopia and achromatopsia see them.
Card Maker: Design business cards, invitations, greeting cards and postcards from templates and download print-ready PDFs.
Device Mockup Generator: Place screenshots into phone, tablet, laptop, browser and monitor frames, flat or in 3D perspective, on a custom background.
Social Banner & Thumbnail Maker: Make YouTube thumbnails, link preview images, banners and posts for X, LinkedIn, Instagram and more from templates.
Colour Contrast Checker: Check the WCAG contrast ratio of two colours for AA and AAA text.

Data

Mock Data Generator: Generate realistic fake names, emails, addresses, products and dates as JSON, CSV, SQL inserts, NDJSON or TSV.
Data Format Converter: Convert between JSON, YAML, XML, TOML, INI, CSV, NDJSON, MessagePack, CBOR and BSON.
CSV & Spreadsheet Editor: Edit CSV and Excel files in a fast grid: sort, filter, dedupe, find and replace, split and merge.
SQLite Browser: Open .db and .sqlite files, browse tables, run SQL and export results to CSV or JSON.
Parquet / Arrow / Avro Viewer: View, filter and convert Parquet, Arrow, Feather and Avro files to CSV, JSON or Excel.
GPS / GIS Converter: Convert GPX, KML, KMZ, GeoJSON, Shapefile, TCX and CSV with a map preview and track stats.
JSON Diff: Compare two JSON documents by structure and get a list of changes or a JSON Patch.
JSONPath / JSONata Tester: Query and reshape JSON with JSONPath, JSONata or a JavaScript expression, with live results.
JSON Schema Validator: Validate JSON against a schema (Draft-07 or 2020-12) and generate a schema from sample data.
XML Formatter, XPath & Validator: Format or minify XML, check it is well-formed and test XPath expressions.
SQL Table Generator: Create CREATE TABLE and INSERT statements for PostgreSQL, MySQL, SQLite or SQL Server from a CSV or JSON file.

AI

Magic Eraser (Remove Objects): Brush over people, objects, text or watermarks and an on-device AI fills the area with matching background.
Colorize Black and White Photo: Add natural colour to old black and white photos with an AI model that runs on your device.
Photo Enhancer: Fix dull, dark, noisy or soft photos in one click: auto levels, white balance, denoise, sharpen, face-friendly smoothing and optional AI 2× upscale.
AI Summarizer: Summarize PDFs, Word files and long text on your device, as paragraphs or key points.
Translate PDF and Documents: Translate PDF, Word and text documents into 50+ languages on your device and save as PDF or DOCX.
Quiz and Flashcard Generator: Make flashcards and multiple-choice quizzes from notes or a document. Export to Anki.
Chat with PDF: Ask questions about a PDF or document and get answers with page numbers, fully offline.
AI Image Captioner: Write captions and alt text for photos with an on-device AI model, in bulk.
AI Object Detector: Find people, cars, animals and 70 more everyday objects in a photo, with boxes and counts.
AI Depth Map: Turn any photo into a depth map, and add a portrait style background blur using it.
AI Image Segmenter: Split a photo into labelled regions like sky, people, road and trees, then cut any of them out.
AI Image Tagger: Tag a batch of photos with your own labels using CLIP zero-shot AI, then export the tags.
Similar Photo Finder: Find duplicate and look-alike photos in a big batch, keep the best one and download the rest cleaned up.
Sentiment Analyzer: Score reviews, comments or survey answers as positive, neutral or negative, line by line or from a CSV.
Zero-shot Text Classifier: Sort messages, tickets or headlines into labels you choose, with no training, on your device.
Name & Entity Extractor: Pull people, places, organisations, dates, money, emails and phone numbers out of any text or document.
Semantic File Search: Search many PDFs, Word files, notes and code by meaning, not just exact words, all offline.

3D

3D Model Viewer: View GLB, GLTF, OBJ, STL, PLY, FBX, 3MF, DAE, 3DS, USDZ, AMF, VRML, OFF and point clouds with orbit controls, lighting, wireframe and screenshots.
3D Model Converter: Convert 3D models between GLB, glTF, OBJ, STL, PLY and USDZ, with unit scaling, centring and Z-up fixes.
Image to Lithophane (STL): Turn a photo into a 3D-printable lithophane or relief heightmap STL, flat or curved, with a live 3D preview.
STL Inspector & Repair: Check STL files before printing: size, volume, weight estimate, watertight and manifold checks, normal flipping and triangle reduction.
GLB / glTF Optimizer: Shrink GLB and glTF files with Meshopt compression, quantisation, mesh simplification, deduplication and WebP texture resizing.

eBooks

E-book Converter: Convert EPUB, MOBI, AZW3, FB2, CBZ, DOCX, PDF, TXT and more to EPUB, PDF, Word, HTML, TXT, Markdown or FB2.
E-book Reader: Read EPUB, MOBI, AZW3, FB2 and CBZ comics in your browser with themes, search and a table of contents.
EPUB Editor: Change the cover, title, author, series and tags of an EPUB, shrink its images, or merge several books.
Comic Converter: Convert CBZ, CBR, CB7 and PDF comics to PDF, CBZ, CB7 or images, and shrink big comics.

Fonts

Font Converter: Convert fonts between TTF, OTF, WOFF, WOFF2, EOT and SVG, with ready-to-paste @font-face CSS.
Font Viewer & Inspector: Inspect TTF, OTF, WOFF and WOFF2 fonts: glyph grid, metrics, name table, OpenType features and a live type tester.
Font Subsetter: Keep only the characters you need from a font and save a tiny WOFF2, WOFF or TTF with matching unicode-range CSS.

CAD

DXF Viewer: Open AutoCAD DXF drawings in the browser with layers, pan and zoom, distance measuring and SVG export.
CAD to PDF, SVG and PNG: Convert DXF drawings to vector PDF, SVG, PNG or JPG with layer selection, page sizes and print-friendly black lines.

Subtitles

Subtitle Converter: Convert between SRT, VTT, ASS, SSA, SBV, SUB, LRC, SAMI, TTML, JSON and CSV in bulk.
Subtitle Editor: Create and edit subtitles against a video preview. Set times from the player, split lines, save SRT, VTT or ASS.
Subtitle Shift and Sync: Fix out-of-sync subtitles: shift all lines, correct frame rate drift, or line up two points.
Extract Subtitles: Pull embedded subtitle tracks out of MKV, MP4 and MOV videos as SRT, VTT, ASS and more.
Subtitle Translator: Translate SRT, VTT or ASS files into 50+ languages on your device, keeping every timestamp.

Security & Privacy

Metadata Scrubber: Remove hidden data from photos, PDFs, Office files and MP3s in one batch: GPS, camera, author, company and more.
Steganography: Hide a secret message or small file inside an image, with an optional password, and reveal it later.
Checksum Verifier: Check many downloads against SHA256SUMS or MD5 lists, or make your own checksum file.
Password ZIP: Make an AES-256 password-protected ZIP that opens anywhere, or unlock one you have the password for.
PII Redactor: Find and mask emails, phone numbers, card numbers, IBANs, IPs, Aadhaar, PAN and SSNs in text before you share it.
Hidden Character Detector: Reveal zero width characters, direction tricks, invisible tags and look-alike letters in text, then clean them.
Locked HTML File: Lock a file or note inside a single HTML page that opens in any browser with your password, no app needed.
File Entropy Analyzer: Map the entropy of any file to spot encrypted, compressed or hidden regions, with a byte histogram.

Maps & GPS

GPX Elevation Profile: See the elevation profile of a route with grade colours, climbs, total ascent and a map.
GPX Pace & Splits: Per kilometre or mile splits with pace, speed, climbing and heart rate from any GPX or TCX activity.
GPX Merge & Split: Join several GPX tracks into one, or split a long track at breaks, GPS jumps or into equal parts.
GPX Simplifier: Cut the number of points in a track while keeping its shape, so older GPS devices and apps accept it.
GPX Privacy Zones: Hide your home and the start and end of a GPS track, and remove times and heart rate before sharing it.
Photo Location Map: See where your photos were taken on a map and export the places as GeoJSON, KML, GPX or CSV.
Route Heatmap: Draw all your runs, rides or hikes on top of each other as a glowing heatmap poster.
GeoJSON Area & Length: Measure the area, perimeter and length of every shape in GeoJSON, KML or GPX, with a map and a table.
Plus Code & Geohash Converter: Convert between coordinates, plus codes, geohashes and Maidenhead locators, with a map.

Office & Sheets

Merge Excel Files: Combine sheets from many Excel, ODS or CSV files into one workbook, or stack their rows into one table.
Split Excel Workbook: Save each sheet as its own file, cut a long sheet every N rows, or split rows by the value in a column.
Compare Spreadsheets: Find every changed cell, added row and removed row between two Excel or CSV files.
Pivot Table: Summarise a spreadsheet by grouping rows and summing, counting or averaging values, like an Excel pivot table.
Word Find & Replace: Replace words in many DOCX files at once, across the body, headers, footers and footnotes, keeping formatting.
Word Document Cleaner: Accept or reject all tracked changes, delete comments and hidden text, and make a clean final DOCX.
Office Media Extractor: Get every image, video and sound from Word, PowerPoint, Excel and OpenDocument files at full quality.
Calendar File Viewer (ICS): Open ICS calendar files and invites as an agenda, search them, and export to CSV, JSON or Markdown.
Contacts Converter (VCF & CSV): Turn phone contacts (VCF) into a spreadsheet, or a spreadsheet into contacts, and merge duplicates.

Science & Education

LaTeX Equation Renderer: Type LaTeX and get a crisp equation as PNG, SVG or JPG, or copy it as MathML for Word.
Function Plotter: Graph several functions of x with zoom, pan, zeros and derivatives, then export PNG or SVG.
Periodic Table: Interactive periodic table with masses, categories, electron configurations and shell diagrams.
Molar Mass Calculator: Work out the molar mass and mass percentages of any chemical formula, and convert grams to moles.
Chemical Equation Balancer: Balance chemical equations, including ionic and redox ones, with exact whole number coefficients.
Matrix Calculator: Determinant, inverse, row reduction, rank, eigenvalues, products and solving A x = B, with exact fractions.
Truth Table Generator: Make the truth table of any logic expression and get its simplest form, minterms and maxterms.
Prime Factorizer: Factor big whole numbers into primes, list divisors, check primality, and find GCD and LCM.

Creator Studio

Audiogram Maker: Turn a podcast or voice clip into a shareable video with a moving waveform, cover art and a title.
Video Reframe (9:16, 1:1, 4:5): Turn a landscape video into a vertical short, a square or a 4:5 post with a blurred or solid background.
Carousel Maker: Make swipeable text carousels for LinkedIn and Instagram, and export them as PDF or PNG slides.
Post Length Checker: Check your post against the limits of X, Threads, Bluesky, LinkedIn, Instagram, YouTube and more, and split long posts into threads.
Link in Bio Page Builder: Build a simple link in bio page with your photo and links, and download it as one HTML file you host anywhere.
Word Cloud Generator: Make a word cloud from any text in cloud, circle or banner shapes, and export PNG or SVG.
Video Chapter Maker: Write YouTube chapters, check them against the rules, and export WebVTT, FFmpeg or podcast chapter files.