Count characters, words and lines in real time.
Convert full/half-width, hiragana/katakana, upper/lower case.
Format, minify and validate JSON data.
Live Markdown preview with GFM support.
Encode and decode Base64 text instantly.
Encode and decode special characters in URLs.
Everything runs in your browser. Core tools need no account.
Rewrite, summarize and translate text with AI.
Free tools process data locally — nothing is sent to our servers.
