How to Use JWT Generator
Generate JWT tokens with custom header and payload for testing. Free, no signup, works offline.
Step-by-Step Guide
- 1
Open JWT Generator
Navigate to the JWT Generator tool page on DevKit. No signup or download required.
- 2
Configure options
Adjust the settings and parameters to match your needs. Each option updates the output in real-time.
- 3
Click the action button
Press the main action button to process your input. Results appear instantly below.
- 4
Copy the result
Click the "Copy" button to copy the output to your clipboard. You can also use the Share button to create a shareable link.
- 5
Check your history
Your last 10 results are saved locally. Click "History" below the tool to access previous outputs.
Tips
- •All data stays in your browser. Safe for sensitive information like API keys and tokens.
- •Use Ctrl+K (Cmd+K on Mac) to quickly search and jump to any tool.
- •Star your favorite tools for quick access from the homepage.
- •Tip: Never paste production JWTs into online tools that send data to a server. DevKit is safe — it decodes locally.
Why Use DevKit's JWT Generator?
- ✓ 100% client-side — your data never leaves your device
- ✓ No signup, no account, no tracking
- ✓ Works offline after first visit (PWA)
- ✓ Free forever — supported by non-intrusive ads
- ✓ Mobile responsive — works on any device