JSON, JWT, encoding, and developer utilities — 24 free tools, no signup required.
Format, validate, and beautify JSON online.
Compare two JSON objects and highlight differences.
Convert JSON arrays to CSV format.
Convert JSON data to XML format.
Format and beautify XML documents.
Format and validate YAML files.
View and parse CSV files in a table.
Compare two CSV files side by side.
Encode and decode Base64 strings.
Decode and inspect JWT tokens.
Generate signed JWT tokens.
Generate random UUID v4 identifiers.
Generate SHA-256, SHA-512, MD5 hashes.
Generate QR codes from text or URLs.
Generate barcodes from text.
Convert between Unix timestamps and dates.
Build cron expressions visually.
Test cron expressions and see next run times.
Pick colors and get HEX, RGB, HSL values.
Generate placeholder Lorem Ipsum text.
Generate secure random passwords.
Send HTTP requests and view responses.
Test REST APIs with headers and body.
Query GraphQL endpoints interactively.