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Bearer Token Generator

Build a 'Bearer <token>' Authorization header (RFC 6750) from a token string. The token is validated against the b64token syntax — characters outside letters, digits, -._~+/ and a trailing '=' are rejected (guards against header injection).

Try an example:
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How to use

  1. Type or paste your input into the input box.
  2. Adjust any parameters if needed.
  3. Copy or download the result.

Frequently asked questions

Is my data uploaded anywhere?
No. All processing happens locally in your browser with no server round-trip.
Does this tool work offline?
Yes. Once the page loads, the tool runs entirely client-side and needs no network connection.

Tutorials using this tool

How to Build a Secure API Gateway
Design a secure API gateway that handles authentication, rate limiting, request validation, and threat protection for backend services.
TUTORIAL
How to Implement OAuth 2.0 PKCE Flow
Implement the Proof Key for Code Exchange (PKCE) extension to OAuth 2.0 Authorization Code flow for secure public client authentication.
TUTORIAL
How to Implement Secrets Management
Centralize, rotate, and audit cryptographic secrets (API keys, passwords, certificates) using a secrets manager with least-privilege access.
TUTORIAL
How to Implement Secure WebSockets
Establish and maintain secure WebSocket (WSS) connections with proper authentication, origin validation, and message integrity.
TUTORIAL

Glossary terms

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