線上小工具

6 個免登入的線上小工具，資料只在本地端計算。

All tools 6

Word Counter

Characters, words, lines and reading time.

JSON Formatter

Format or minify JSON with error position.

Convert text to and from Base64, UTF-8 safe.

Percent-encode or decode query strings.

Password Generator

Generate passwords locally; nothing is uploaded.

Contrast Checker

Contrast ratio and WCAG AA/AAA compliance.

Everything runs in your browser — nothing you type is uploaded.