Escape special characters before inserting text into HTML, or turn entities like and П back into plain text. Everything runs in your browser.
So the browser displays the characters < > & as text instead of interpreting them as markup — this is the foundation of XSS protection.
Beautify and format SQL queries, indent clauses, minify to 1 line for PostgreSQL, MySQL, and ClickHouse client-side.
Calculate color contrast ratios for text and backgrounds per WCAG 2.2 AA/AAA accessibility standards with live previews.
Cryptographically secure passwords powered by Web Crypto API running 100% locally on your machine.
Inspect and decode JSON Web Tokens locally: inspect header, payload claims, and token expiration dates safely.
Test and debug regex patterns with live match highlights, capture groups, regex flags, and cheatsheets.
Visual gradient designer with angle controls, trendy color presets, and 1-click CSS and Tailwind class export.
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