HTML/CSS/JS Minify & Unminify

Minify or beautify HTML, CSS and JavaScript directly in your browser. Your source code is not uploaded to the server.

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Output 0 bytes
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Processing happens locally in your browser. Input is limited to 2 MB.

Browser-localYour source stays on your device. Only non-content usage metadata such as byte counts and processing time may be recorded.
Automatic language detectionConvertThings detects HTML, CSS or JavaScript before processing and warns you before a likely language mismatch can corrupt the result.
Conservative transformsQuoted strings and template literals are preserved. Comment removal is optional so source annotations can be retained when needed.

Minify HTML

Remove HTML comments and unnecessary whitespace between tags while preserving text content and raw-text elements.

Minify CSS

Collapse insignificant whitespace and comments around CSS punctuation while keeping quoted values intact.

Minify JavaScript

Compact common JavaScript safely with string-, template- and comment-aware processing, or beautify it for easier reading.

Text / Code Diff Checker Compare two text or code versions line by line locally in your browser with added, removed, and unchanged line highlighting. JSON Formatter & Validator Validate, format and minify JSON directly in your browser with optional key sorting and structured error feedback. Base64 Encoder / Decoder Encode UTF-8 text to Base64 or decode Base64 back to text directly in your browser, including Base64URL support.
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