Explore tools

Format and validate JSON locally in your browser.

Validate JSON and locate parse errors without uploading your data.

Minify valid JSON locally for smaller payloads.

Convert valid JSON to readable YAML in your browser.

Convert YAML to formatted JSON locally.

Convert an array of JSON objects to CSV locally.

Convert header-based CSV to a JSON array locally.

Encode Unicode text as Base64 locally.

Decode valid Base64 text locally in your browser.

Encode a URL component, such as a query parameter value.

Decode URL-encoded text locally.

Inspect JWT header and payload locally without verifying its signature.

Generate UUID v4 values locally using Web Crypto.