Developer Tools

Format, validate, and minify JSON with syntax highlighting.

Encode text or files to Base64 and decode back.

Test and debug regular expressions with live match highlighting.

Format and validate XML in your browser, instantly detect parsing errors, and pretty-print well-formed output.

Convert CSV to JSON and JSON to CSV for APIs and spreadsheets, with delimiter and header handling built in.

Percent-encode and decode URL components or query strings to avoid broken links and debugging mistakes.

Minify HTML, CSS, and JavaScript by removing unnecessary whitespace and (optionally) comments.

Re-indent and format SQL queries for readability, debugging, and consistent code review diffs.

Convert JSON objects into XML strings for integrations, testing, and legacy system compatibility.

Parse XML and convert it to JSON for debugging, API integrations, and data transformations.

Generate cron expressions from a friendly schedule setup for CI jobs and background tasks.

Convert IPv4 addresses into IPv6 representations for debugging, logging, and network workflows.

Convert Markdown to HTML for quick previews and documentation drafts, with safe output by default.

Generate RFC 4122 UUIDs instantly for development and testing workflows.