Free online tools that stay on your device
Generate passwords and QR codes, format JSON, convert units and colors. No sign-up, no uploads: everything runs in your browser.
No sign-upNothing uploadedFast and free
All tools
Pick a tool and use it right away.
- Password Generator
Create strong random passwords. Generated locally.
Open → - QR Code Generator
Make a QR code for a link or text. Download SVG or PNG.
Open → - JSON Formatter
Format, validate and minify JSON with clear errors.
Open → - Base64 Encode / Decode
UTF-8 safe Base64 conversion.
Open → - Word Counter
Words, characters, sentences and reading time.
Open → - Case Converter
UPPER, lower, Title, camelCase, snake_case and more.
Open → - Percentage Calculator
Percent of, what percent, percent change.
Open → - HEX to RGB Converter
Convert HEX, RGB and HSL with a live preview.
Open → - Unit Converter
Length, weight, volume and temperature.
Open → - UUID Generator
Random version 4 UUIDs, one or many.
Open →