Online Toolbox

JSON Formatter

Format, validate and minify JSON. Parsing and minifying are all done locally.

QR Code Generator

Turn text into a QR code you can download as PNG. Supports text, URLs and contacts.

Image Compressor

Compress JPG/PNG images locally via Canvas. Images are never uploaded.

Original：-Compressed：-Saved -

Base64 Encode/Decode

Convert between text and Base64. Unicode-safe encoding.

Timestamp Converter

Convert between Unix timestamp (seconds) and date.

Text Counter

Count words, characters, lines and keywords, including Chinese chars and English words.

Password Generator

Generate strong random passwords offline using the browser's crypto random source.

URL Encoder/Decoder

URL encode/decode using encodeURIComponent rules.

Regex Tester

Test regex patterns in real time. Supports i / g flags.

Color Converter

Convert between HEX / RGB / HSL. Pick a color to convert automatically.

Crypto Tools

9 hashing algorithms, Base64 / Hex / URL / ROT13 / reverse / Morse, Caesar cipher, AES / DES / 3DES / RC4 symmetric encryption, XOR. Data is processed locally and never stored.

Domain SEO Audit

Enter any domain to fetch live HTTP status, response time, DNS, robots, title and description. Webmasters can then push URLs to Baidu / Bing for indexing.

Indexing push (webmaster)

Push page URLs to Baidu and Bing (IndexNow) to speed up indexing. Submit one or many URLs, one per line.