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PASETO Playground

Create and verify PASETO tokens in the browser.

Output will appear here…

How to Use This Tool

  1. Fill in Payload (JSON), Key, and Purpose. Each control is labeled; you do not need to paste a JSON blob.
  2. Click "Run" to run the tool in your browser.
  3. Read the result below the form and copy it if you need it in another app.

Learn More About PASETO Playground

About PASETO Playground

Create and verify PASETO v4 tokens entirely in the browser. No data sent to any server.

About

Create and verify PASETO v4 tokens entirely in the browser. No data sent to any server.
Create and verify PASETO v4 tokens entirely in the browser. No data sent to any server.
Runs in browser
Yes
No signup required
Yes

Examples

Local payload

Local payload
Input
{
  "payload": "{\"sub\":\"user123\",\"role\":\"admin\"}",
  "key": "my-secret-key-123",
  "purpose": "local"
}
Output
⚠️  EDUCATIONAL DEMO — NOT A REAL PASETO TOKEN

This tool generates a simplified v4.local-style token for learning purposes.
Real PASETO v4.local uses XChaCha20-Poly1305 authenticated encryption.
The payload below is NOT encrypted — do not use in production.

── Demo Token ──
v4.local.4pANVG5GZuf4mSYQBrN-KIFB1dwZI9VH.IntcInN1YlwiOlwidXNlcjEyM1wiLFwicm9sZVwiOlwiYWRtaW5cIn0ibAVJJGKxKTCvUprS84LnzYhkheCA03Kj9mE3NxPbZEk

── Decoded ──
Header: v4.local
Nonce: 4pANVG5GZuf4mSYQBrN-KIFB1dwZI9VH
Payload (plaintext!): "{\"sub\":\"user123\",\"role\":\"admin\"}"
MAC: bAVJJGKxKTCvUprS84LnzYhkheCA03Kj9mE3NxPbZEk

For production PASETO, use: https://github.com/paseto-platform/paseto

Public purpose

Public purpose
Input
{
  "payload": "{\"sub\":\"user456\"}",
  "key": "public-key-fake",
  "purpose": "public"
}

Minimal

Minimal
Input
{
  "payload": "{\"test\":1}",
  "key": "key123",
  "purpose": "local"
}
Output
⚠️  EDUCATIONAL DEMO — NOT A REAL PASETO TOKEN

This tool generates a simplified v4.local-style token for learning purposes.
Real PASETO v4.local uses XChaCha20-Poly1305 authenticated encryption.
The payload below is NOT encrypted — do not use in production.

── Demo Token ──
v4.local.dAd000tq6Dpg3Kjz1HM3gHf9LnsMQT-a.IntcInRlc3RcIjoxfSIubo3ZR-7hi-M13LQllA_1AchoSC4heCJjI7nFRB6vhM

── Decoded ──
Header: v4.local
Nonce: dAd000tq6Dpg3Kjz1HM3gHf9LnsMQT-a
Payload (plaintext!): "{\"test\":1}"
MAC: ubo3ZR-7hi-M13LQllA_1AchoSC4heCJjI7nFRB6vhM

For production PASETO, use: https://github.com/paseto-platform/paseto

Use Cases

  • Check paseto playground values while you draft a page, spreadsheet, or config.
  • Fill Payload (JSON), Key, Purpose and compare the result to a second source.
  • Keep sensitive inputs on-device — this page runs the calculation in the browser.

Frequently Asked Questions

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