Code tools
13 toolsFormat, minify and validate CSS, HTML, JavaScript, JSON and SQL.
JSON Formatter
Format messy JSON into readable, indented output, or minify it back.
JSON Validator
Validate JSON and get the exact line, column and cause of the error.
CSS Formatter
Beautify minified or messy CSS with consistent indentation and spacing.
CSS Minifier
Minify CSS by removing comments, whitespace and redundant characters.
HTML Formatter
Format and indent HTML with proper nesting, powered by Prettier.
HTML Editor
Free online HTML editor with a live preview beside the code.
HTML Minifier
Minify HTML by collapsing whitespace and removing comments.
JavaScript Formatter
Beautify minified or unformatted JavaScript with Prettier, including modern syntax and...
JavaScript Minifier
Minify JavaScript with Terser: shortened names, dead code removed, whitespace stripped.
JavaScript Obfuscator
Obfuscate JavaScript by mangling names, encoding strings and flattening formatting.
SQL Formatter
Format SQL queries with keyword casing, indentation and aligned clauses.
HTML Tag Stripper
Remove HTML tags and get clean plain text, with entities decoded and whitespace tidied.
Regex Tester
Test regular expressions against your text with live match highlighting, capture groups,...
Minified production code, a JSON blob on one line, SQL from a log file: unreadable until formatted. These tools beautify, minify and validate CSS, HTML, JavaScript, JSON and SQL, and point at the exact line when something does not parse. Because the work happens in your browser, proprietary code stays yours.