Command Palette
Search for a command to run...
JWT Decoder
Decode JSON Web Tokens (JWT) online to inspect headers, claims, and signatures without executing any code.
jwttokendecodevalidate
Formatting Options
Preview the shared config renderer across simple, choice-based, and multi-select settings.
Features
JWT Decoding
Read token headers and payloads without manual Base64URL work
Payload Access
Inspect claims quickly while debugging auth responses
Quick Inspection
Review token contents before using them in development
Privacy First
All processing happens in your browser
Quick Tips
- •Decode tokens from APIs to verify claims and expiration times
- •Check the payload carefully before assuming a token grants access
- •Do not treat decoding alone as proof that a token is trustworthy
- •All data stays in your browser - nothing is sent to servers
Similar Tools
ASCII Decoder
Decode ASCII character codes back into readable text from decimal or hexadecimal input.
decodeconverttext
Base32 Decoder
Decode Base32 strings back into readable text or bytes using RFC 4648 or Crockford-compatible input handling.
decodeconverttext
Base64 Decoder
Decode Base64 strings online to recover the original text, JSON, or binary data behind opaque encodings.
base64decodeconvert
Binary Decoder
Decode binary byte strings back into readable text or hexadecimal output.
decodeconverttext
Hex Decoder
Decode hexadecimal byte strings back into readable text or normalized byte output.
decodeconverttext
HTML Entity Decoder
Decode named and numeric HTML entities back into readable text for inspection and content cleanup.
decodehtmlconvert
JWT Decoder
Decode JSON Web Tokens (JWT) online to inspect headers, claims, and signatures without executing any code.
jwttokendecodevalidate
Data URI Decoder
Decode data URIs to inspect media type metadata and recover the embedded text payload.
decodebase64url
Morse Code Decoder
Decode Morse code back into readable text using configurable word separators and unknown token handling.
decodeconverttext
Punycode Decoder
Decode punycoded ASCII domains, labels, or email domains back into readable Unicode form.
decodeurlconvert
Quoted-Printable Decoder
Decode quoted-printable content back into readable text from MIME and email-style encoded input.
decodeconverttext
ROT13 Decoder
Decode ROT13 text back into readable output using the same reversible 13-letter rotation.
decodeconverttext
Unicode Escape Decoder
Decode JavaScript-style Unicode and hexadecimal escape sequences back into readable text.
decodeconverttext
URL Query String Decoder
Decode raw query strings or full URLs into readable parameters for debugging links, redirects, and API requests.
urldecodeconvert
URL Decoder
Decode URL-encoded strings online to turn percent-encoded query parameters and paths back into readable text.
urldecodeconvert
JWT Encoder
Create JSON Web Tokens (JWT) online by encoding headers and payloads into signed tokens for testing and development.
jwttokenencode
JSON Formatter
Format, beautify, and validate JSON instantly in your browser. Pretty print minified JSON, detect syntax errors, and view structured output with line and column error details.
jsonformatbeautifyvalidate
XML Formatter
Format and beautify XML online so configuration files, feeds, and APIs are easy to read, debug, and share.
xmlformatbeautifyvalidate
YAML Formatter
Format YAML online to fix indentation, align keys, and make configuration files like Kubernetes manifests and CI pipelines easier to read.
yamlformatbeautifyvalidate
Password Strength Analyzer
Analyze password strength using length, character variety, estimated entropy, and simple crack-time guidance.
passwordvalidatetext
JWT Validator
Validate JSON Web Tokens (JWT) online by checking structure, expiration and signature configuration.
jwttokenvalidate
Regex Tester & Validator
Test and validate regular expressions online against sample text, with quick feedback on matches and groups.
regexvalidatetext
UUID Validator
Validate UUIDs online to check format, version and variant before storing or using them in your systems.
uuidvalidate