Developer tools — formatters and minifiers
Format and minify JSON, HTML, CSS and XML in your browser. Validate syntax with precise error messages and copy ready-to-ship output.
JSON Formatter & Validator
Beautify, validate and minify JSON.
HTML Minifier
Shrink HTML for faster page loads.
CSS Minifier
Shrink CSS by 20–40% with safe defaults.
XML Formatter
Beautify and validate any XML document.
Markdown Previewer
Preview Markdown as rendered HTML while you write.
Markdown to HTML
Convert Markdown into clean HTML output in your browser.
Schema.org JSON-LD Generator
Generate flexible JSON-LD markup for common Schema.org types.
FAQ Schema Generator
Create valid FAQPage JSON-LD from your questions and answers.
Breadcrumb Schema Generator
Generate BreadcrumbList JSON-LD for nested site paths.
Product Schema Generator
Build Product JSON-LD with offers, brand and pricing fields.