HTML Formatter

100% Free

Format and prettify HTML markup for readability.

100% Secure

No Sign Up

Client-Side

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We're building HTML Formatter right now. Drop your email and we'll notify you the moment it's live.

Encode and decode text and files to Base64.

Native color picker with HEX/RGB/HSL output and recent-colors history. Click the swatch or type a hex — values update instantly.

Translate 5-field POSIX cron expressions into plain English with field breakdown and the next 5 scheduled runs.

Pretty-print minified CSS — preserves comments, parens (calc/url/var), string literals; canonical 'prop: value;' formatting.

Compress CSS using Yandex's csso engine — removes whitespace, comments, merges rules, dedupes selectors, compresses colors.

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