Security Tools
Token inspection, hashing and identifier generation, all computed locally in the browser
Tools
JWT Decoder
Decode a JSON Web Token to read its header, payload and claims, see whether it has expired, and optionally verify an HMAC signature with your own secret.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests from text or a file, in hex or base64, and compare the result against an expected checksum.
UUID Generator
Generate version 4 random or version 7 time ordered UUIDs in bulk using the browser cryptographic random source, with formatting options and file download.
Check out our other tools
Browse all toolsGenerate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests from text or a file, in hex or base64, and compare the result against an expected checksum.
Generate version 4 random or version 7 time ordered UUIDs in bulk using the browser cryptographic random source, with formatting options and file download.
Professional JSON formatter with syntax highlighting, validation, minification, and advanced formatting options. Format, validate, and beautify JSON data with real-time error detection.
Professional CSV to JSON converter with advanced parsing, custom delimiters, header mapping, data validation, and export options. Convert CSV data to structured JSON with intelligent type detection and error handling.
Professional fake data generator for testing, development, and demos. Generate realistic names, addresses, emails, dates, and custom datasets with multiple output formats.
Convert JSON to/from XML, CSV, YAML, TOML with intelligent parsing and validation
Convert XML to JSON
Convert YAML to JSON