14 free tools, ready to use
Every tool on this page is a working utility, not a placeholder. Open one, use it, close the tab — nothing is stored and nothing is uploaded.
Every tool on Utilith in one list. Search by name, or pick a category to narrow it down.
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 toolJSON 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 toolBinary 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 tool