Common online tools, run locally in browser, no data uploaded.
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.
Current timestamp：1793812526
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.
No file chosen
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.
Sitemap：sitemap.xmlAbout 502 indexed URLs on this siteBaidu push has a daily quota; you will be notified if exceeded
