QR code generator
Make QR codes for links, Wi-Fi, contacts, email and SMS. Add a logo, download PNG or SVG.
- Util.Ninja
- Free online tools
Free online tools
Make, count, compress, generate and convert in one click. These tools run right in your browser, so your files and text are not uploaded, and there is nothing to install or sign up for.
- 12 free tools
- Phone, tablet & PC
- No sign-up
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All tools
Word & character counter
Count words, characters and sentences as you type, with reading time and keyword density.
Image compressor & resizer
Shrink and resize JPG, PNG and WebP photos to a target size. Batch, zip and no upload.
Password generator
Create strong random passwords, memorable passphrases and PINs, with a strength meter.
JSON formatter & validator
Beautify and validate JSON with exact error lines, auto-fix and a tree view.
Base64 encode / decode
Convert text to Base64 and back in one click.
JSON minifier
Shrink JSON by stripping whitespace and line breaks.
JS, CSS & HTML minifier
Compress JavaScript, CSS, HTML, XML and XHTML for faster pages.
URL / URI encoder & decoder
Percent-encode text for URLs and query strings, or decode %20-style URLs back to text.
GUID generator
Generate GUIDs / UUIDs instantly and learn how they work.
WebP converter & watermark
Convert JPG, PNG and iPhone HEIC photos to WebP, with an optional watermark.
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Handy tools for everyday jobs
Create a QR code for a link or your Wi-Fi, shrink photos before you email them, count the words in an essay, make a strong password or tidy up JSON for work. Each tool does one job well, works on phones and computers, and keeps your data on your own device.
All tools at Util.Ninja
- QR code generator: Make QR codes for links, Wi-Fi, contacts, email and SMS. Add a logo, download PNG or SVG.
- Word & character counter: Count words, characters and sentences as you type, with reading time and keyword density.
- Image compressor & resizer: Shrink and resize JPG, PNG and WebP photos to a target size. Batch, zip and no upload.
- Password generator: Create strong random passwords, memorable passphrases and PINs, with a strength meter.
- JSON formatter & validator: Beautify and validate JSON with exact error lines, auto-fix and a tree view.
- Base64 encode / decode: Convert text to Base64 and back in one click.
- JSON minifier: Shrink JSON by stripping whitespace and line breaks.
- JS, CSS & HTML minifier: Compress JavaScript, CSS, HTML, XML and XHTML for faster pages.
- URL / URI encoder & decoder: Percent-encode text for URLs and query strings, or decode %20-style URLs back to text.
- GUID generator: Generate GUIDs / UUIDs instantly and learn how they work.
- WebP converter & watermark: Convert JPG, PNG and iPhone HEIC photos to WebP, with an optional watermark.
- Words Finder: Find words from your letters for Scrabble and word puzzles, in 10 languages.