Convert numbers exactly between hexadecimal, decimal, binary, and octal.

Explain, validate, and preview upcoming run times for cron expressions locally.

Test JavaScript regular expressions locally, inspect matches and capture groups, and preview replacements.

Decode percent-encoded URL components, paths, query strings, and form data locally.

Percent-encode text, paths, query values, and form data locally in the browser.

Decode JWTs locally, inspect claims, and optionally verify HMAC signatures in the browser.

Generate UUIDs and GUIDs locally in the browser, export batches, and use v4 or v7.

Validate, format, minify, analyze, and inspect JSON as a tree locally.

Run RFC 9535 JSONPath queries locally against JSON and show normalized paths.

Run JMESPath Core expressions locally against JSON and export the JSON result.

Test XPath 1.0 in the browser and XPath 3.1 locally against XML or HTML documents.

Decode Base64, Base64URL, MIME Base64, or data URLs to bytes directly in the browser.

Encode text or local files to Base64, Base64URL, MIME Base64, or data URLs directly in the browser.

Convert JSON files or pasted JSON text to XML directly in the browser.

Convert XML files or pasted XML text to JSON directly in the browser.

Convert JSON files or pasted JSON text to YAML directly in the browser.

Convert YAML files or pasted YAML text to JSON directly in the browser.

Generate and verify bcrypt password hashes and calculate MD5 and SHA-256 digests locally.

Convert CSV, TSV, and delimiter-separated data to GitHub-Flavored Markdown tables locally in the browser.

Convert strict JSON to readable TOML locally in the browser.

Infer TypeScript interfaces and type aliases from JSON sample data locally in the browser.

Format and beautify SQL scripts locally in the browser.

Convert JSON objects and object lists to SQL INSERT statements directly in the browser.

Convert CSV, TSV files, or pasted table data to JSON directly in the browser.

Convert JSON files or pasted JSON text to CSV directly in the browser.