Small tools for everyday work
Format JSON, hash text, convert colors and timestamps, generate passwords. Everything runs in your browser — nothing you type is sent to a server.
Tools
JSON Formatter
Format, minify and validate JSON.
Base64 Encoder / Decoder
Encode and decode text with UTF-8 support.
URL Encoder / Decoder
Percent-encode and decode strings and links.
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512 of any text.
UUID Generator
Random version 4 UUIDs, in bulk.
Password Generator
Strong random passwords with an entropy estimate.
Word & Character Counter
Characters, words, lines and reading time.
Unix Timestamp Converter
Convert between timestamps and readable dates.
Color Converter
HEX, RGB and HSL, plus a contrast check.
Currency rates
Runs locally
Your input stays in the browser tab.
No sign-up
Open a page and use it. No accounts, no popups.
Light and dark
Follows your system theme and switches any time.
Two languages
English and Russian interface.