Free online tools that just work
Simple, fast tools for everyday tasks. No sign-up, no limits, and your files and text stay in your browser.
Aa
Word Counter
Count words, characters, sentences and reading time.
aA
Case Converter
Switch text to UPPER, lower, Title, Sentence or camelCase.
***
Password Generator
Create strong random passwords with custom rules.
QR
QR Code Generator
Make a QR code for any link or text and download it as PNG.
IMG
Image Compressor
Shrink JPG, PNG and WebP images without uploading them.
kg
Unit Converter
Convert length, weight, temperature, volume and more.
{}
JSON Formatter
Format, validate and minify JSON with clear error messages.
64
Base64 Encode & Decode
Encode text to Base64 or decode Base64 back to text.
Why use Tool Owl?
- Free forever, with no account needed.
- Private by design: tools run locally, so your data is not uploaded.
- Fast and mobile friendly, with new tools added regularly.