JWT Generator
Generate custom JWT tokens using HS256, HS384, or HS512 HMAC algorithms.
Runs entirely in your browser - your files are never uploaded
What is JWT Generator?
JWT Generator is a free, web-based utility designed for instant, local developer tools tasks. It allows users to compute, format, convert, or edit data directly in their browser without installing software or registering an account.
- 100% Free & Unlimited Usage
- 0% File Uploads (100% Client-Side Privacy)
- Instant Real-Time Calculations
- Mobile, Tablet & Desktop Compatible
How to use JWT Generator
Select or Enter Input
Provide your source file or type your values into JWT Generator.
Configure Settings
Adjust parameters, formatting options, or units in real-time.
Get Instant Output
Download the final processed file or copy the generated output.
About the JWT Generator
The JWT Generator creates valid HMAC-signed JSON Web Tokens for testing APIs, authentication microservices, and development environments.
Select your signature algorithm (HS256, HS384, HS512), customize token header and payload claims, set secret keys, and generate signed tokens with one click using Web Crypto APIs.
Frequently asked questions
Related tools
JSON Formatter
Beautify, minify and validate JSON with clear error messages.
Open toolBase64 Encoder
Encode text or files to Base64, including data URLs.
Open toolBase64 Decoder
Decode Base64 strings and data URLs back to text.
Open toolURL Encoder & Decoder
Percent-encode or decode URLs and query parameters instantly.
Open toolUUID Generator
Create cryptographically random version 4 UUIDs in bulk.
Open toolHash Generator
Compute MD5, SHA-1, SHA-256 and SHA-512 digests from text.
Open tool