Every small tool you need, right in your browser.
Utilith is a free collection of practical browser-based tools for text, development, images and everyday tasks. Everything runs on your device and your files are never uploaded.
Clean up, reformat and measure writing.
Strip stray whitespace, switch letter case and get exact counts for words, characters and reading time.
Text Cleanup & Whitespace Fixer
Remove duplicate spaces, strip line padding, kill blank lines and normalise letter case.
Open toolLetter Case Converter
Switch text between upper, lower, title, sentence, camel, snake and kebab case.
Open toolWord Counter & Reading Time
Count words, characters, sentences and paragraphs, plus estimated reading and speaking time.
Open toolFormat, encode and inspect data.
Pretty-print and validate JSON, move between Base64 and plain text, escape URLs and strip code down to size.
JSON Formatter & Validator
Pretty-print, minify and validate JSON with precise error messages and key sorting.
Open toolBase64 Encode & Decode
Convert text to Base64 and back, with full Unicode support and no server round-trip.
Open toolURL Encode & Decode
Percent-encode or decode URLs, path segments and query strings, then inspect the parameters.
Open toolHTML, CSS & JavaScript Minifier
Strip comments and whitespace from HTML, CSS and JavaScript, with a live size comparison.
Open toolCSV Data Integrity Auditor
Find the values a spreadsheet will silently change: lost digits, dropped zeros, ambiguous dates and mixed columns.
Open toolWebfont Coverage & Overlap Advisor
Check @font-face rules for overlapping unicode ranges and read the real character coverage of your font files.
Open toolShrink images and build files.
Compress and resize photos, turn a set of images into a single PDF, and generate printable QR codes.
Binary File Inspector
Open a PNG, JPEG, GIF, WebP, ICO, ZIP, PDF, MP4 or font and read its real structure byte by byte.
Open toolCaption & Subtitle QC Validator
Check SRT and WebVTT files against a delivery profile: reading speed, line length, overlaps and duration.
Open toolImage Compressor & Resizer
Shrink JPEG, PNG and WebP files, or resize them, then download the smaller copy.
Open toolImages to PDF Converter
Combine several images into one PDF, reorder them and choose the page size.
Open toolQR Code Generator
Turn any text or link into a crisp, downloadable QR code in seconds.
Open toolOpen a tool, get an answer
Open a tool, paste your content, adjust an option if you need to, and take the result with you.
1. Pick a tool
Browse by category or search for the job you need done. Every tool is a single page with no distractions.
2. Drop in your content
Paste text or choose a file. Nothing is uploaded — the work happens inside the tab you already have open.
3. Copy or download
Results update live as you type. Copy them to the clipboard or save a file, then close the tab.
Small tools that finish the job
No fake counters, no "coming soon" buttons. Each page does exactly one thing and does it well.
Nothing to install
Open a page and start working — no downloads, no plugins, no setup steps.
Local processing
Text and files are handled by your own browser, so sensitive material never travels.
Instant results
Every tool reacts while you type. There is no queue and no waiting for a server.
Built to grow
New tools join the collection as they become useful. Nothing is listed before it works.
Pick a tool and get it done
Everything below works straight away — pick a tool and start working.