Free online utilities
TOOLS HUB
A small set of everyday tools for developers, writers and designers: generate passwords, convert Base64, tidy JSON, analyze text, pick colors, calculate checksums and create UUIDs.
Password Generator
Strong random passwords with a live strength estimate.
Base64 Tool
Encode and decode text, including Cyrillic and emoji.
JSON Formatter
Validate, format and minify JSON with exact error positions.
Text Analyzer
Words, characters, sentences, reading time and top words.
Color Converter
HEX, RGB and HSL, shades and WCAG contrast.
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512 for text or a file.
UUID Generator
Random version 4 UUIDs, one or many.
Private by design
Everything you type is processed in your browser. Nothing is uploaded.
Instant
No sign-up, no ads, no waiting — results update as you type.
Cryptographically sound
Passwords, UUIDs and hashes use the Web Crypto API built into your browser.