Prismatic
JSON Web Token is the fastest way to build, decode and verify JWTs on iPhone, iPad and Mac.
Current observed download price for the selected storefront. Open regional pricing to compare converted prices across countries.
Items currently visible on Apple’s public App Store page. This may not be the complete App Store Connect catalog.
JSON Web Token is the fastest way to build, decode and verify JWTs on iPhone, iPad and Mac.
Paste any token and instantly see its header and payload, neatly typed and editable. Sign your own tokens with the algorithm of your choice, verify signatures against your own keys, and copy the result with one tap.
BUILD
• Create tokens from scratch with editable header and payload fields
• 12 signing algorithms: HS256/384/512, RS256/384/512, PS256/384/512, ES256/384/512
• One-tap generation of real random keys for every algorithm family
VERIFY
• Paste your own HMAC secret or public key to verify any token
• Clear verified/invalid signature badge
• Tamper with the payload and watch the signature react
INSPECT
• Typed values: strings, numbers, booleans, arrays, nested objects, null
• JSON view with configurable indentation, ready to copy
• Header and payload sizes in bytes
• Date helper to convert timestamps for iat, exp and nbf claims
Built for developers: no account, no tracking, everything stays on your device.
Quick answers based on the latest observed App Store data.
The latest observed download price is $2.99. Open the official App Store link to confirm the current checkout price.
Apple’s public page currently shows 0 purchase items in this storefront. The public list may be incomplete.
Yes. App Store prices can vary by storefront, currency, taxes, and developer pricing. AppPriceData currently has 2 regional observations.