Code tools
Format, minify and validate CSS, HTML, JavaScript, JSON and SQL.
JSON Formatter
Format messy JSON into readable, indented output, or minify it back. Shows the exact line of any syntax error. Free and fully in-browser.
JSON Validator
Validate JSON and get the exact line, column and cause of the error. Shows a structure summary when the document is valid. Free online JSON validator.
CSS Formatter
Beautify minified or messy CSS with consistent indentation and spacing. Powered by Prettier and running entirely in your browser. Free.
CSS Minifier
Minify CSS by removing comments, whitespace and redundant characters. Shows before and after size with the percentage saved. Free and in-browser.
HTML Formatter
Format and indent HTML with proper nesting, powered by Prettier. Handles inline CSS and JavaScript inside the document. Free online beautifier.
HTML Minifier
Minify HTML by collapsing whitespace and removing comments. Shows the size saved. Free online HTML minifier that runs in your browser.
JavaScript Formatter
Beautify minified or unformatted JavaScript with Prettier, including modern syntax and JSX. Free, instant and entirely in-browser.
JavaScript Minifier
Minify JavaScript with Terser: shortened names, dead code removed, whitespace stripped. See the size saved. Free and runs in your browser.
JavaScript Obfuscator
Obfuscate JavaScript by mangling names, encoding strings and flattening formatting. Free online obfuscator that runs entirely in your browser.
SQL Formatter
Format SQL queries with keyword casing, indentation and aligned clauses. Makes long joins and subqueries readable. Free online SQL beautifier.
HTML Tag Stripper
Remove HTML tags and get clean plain text, with entities decoded and whitespace tidied. Optionally keep basic formatting tags. Free online tool.