About This Site

What is Appsax?

Appsax is a free web application offering 35+ string processing, conversion, encoding, and generation tools.

All processing runs entirely client-side in your browser — your text is never sent to any server.

Features

• Privacy First — Text data never leaves your device.
• Zero Latency — Real-time results with no network requests.
• Full Japanese Support — Fullwidth/halfwidth, kana, and kanji processing.
• No Sign-up Required — Just open the URL and use it.
• Completely Free — All tools are free forever.

Tool Categories

• Stats — Character count, word count, frequency analysis
• Case — Uppercase/lowercase, fullwidth/halfwidth, kana/romaji
• Split — Delimiter splitting, CSV/JSON conversion
• Encode — Base64, URL, HTML entities, Unicode escape
• Crypto — Hash, HMAC, AES encryption
• Generate — UUID, random strings, dummy data
• Extract — URLs, bracket content, regex matching
• Cleanup — Strip HTML, normalize whitespace, remove comments

Contact

For feedback, feature requests, or bug reports, please use GitHub Issues.