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Beautify and minify CSS & JavaScript, validate JSON, parse URLs, build UTM links, convert colors and generate QR codes.

CSS整形

Format and indent messy or minified CSS so it is easy to read and edit.

Shrink CSS by removing comments and whitespace for faster page loads.

Reindent and format JavaScript so it is readable again.

Strip comments and whitespace to reduce JavaScript file size.

Check whether your JSON is valid and see the exact error if it is not.

Convert XML documents into clean, readable JSON.

Break any URL into its protocol, host, path, query parameters and fragment.

Base URL Campaign source Campaign medium Campaign name Term Content

Create trackable campaign links with UTM parameters for analytics.

Convert a HEX color to RGB and HSL and preview the swatch.

Generate a downloadable QR code from any text or link, right in your browser.