Base64 URL Encoder & Decoder
Encode & Decode URL-Safe Base64 Instantly Online
Need more? Try our Base64 Encode and Decode, Image to Base64, Base64 to Image, Base64 File Encoder, or Base64 Validator for all your Base64 needs.
All encoding and decoding happens only within your browser—your data never leaves your device.
Encode or decode URL-safe Base64 instantly—no uploads needed. Perfect for JWT, API, or web development tasks.
How Our URL-Safe Base64 Converter Works
This simple tool encodes your text as URL-safe Base64 or decodes it back to regular text—all within your browser for total privacy. Uses '-' and '_' instead of '+' and '/', and omits '=', ensuring compatibility with JWTs, APIs, and URLs. Just select Encode or Decode to begin.
Top Use Cases for URL-Safe Base64 Encoding & Decoding
- Safely encode data for inclusion in URLs, HTTP requests, or query parameters.
- Effortlessly decode URL-safe Base64 from JWT tokens, OAuth, or API responses.
- Prepare and format Base64 data for integration with frontend and backend frameworks.
- Debug, inspect, or analyze URL-safe Base64 during web development or testing.
- Securely transmit or exchange encoded authentication or authorization data.
How to Use the URL-Safe Base64 Encoder/Decoder
- Paste or enter your text or URL-safe Base64 string into the field above.
- Select 'Encode as URL-Safe Base64' or 'Decode URL-Safe Base64' as needed.
- Your result appears instantly in the output box—copy and use for your project.
- If your input isn't valid, an error message will help you correct it.
Why Use Our Free Online URL-Safe Base64 Tool?
- Instant results—no page reloads or delays.
- Total privacy—never sends data to a server.
- Absolutely free for all users and purposes.
- Developer-focused design and usability.
- Seamless experience on desktop and mobile devices.
- Works across all major browsers and operating systems.