$ ls tools/
Free developer tools, no sign-up
Every tool below runs entirely in your browser via WebAssembly — nothing you paste or generate is ever sent to a server.
Formatting & Validation
JSON Formatter
Format, validate and minify JSON.
Open →XML Formatter
Pretty-print, validate and minify XML.
Open →HTML Formatter
Pretty-print or minify HTML markup.
Open →CSS Formatter
Pretty-print or minify CSS stylesheets.
Open →JavaScript Formatter
Pretty-print or minify JavaScript code.
Open →SQL Formatter
Pretty-print SQL with clean indentation.
Open →