Encode and decode Base64 instantly
Useful for auth headers, tokens, and payload experiments while testing integrations.
About This Tool
This tool converts plain text to Base64 and back, making it practical for API testing and debugging.
How to Use This Tool
- Enter plain text or Base64 text.
- Choose Encode or Decode.
- Copy the result into your app, request, or script.
Why Use This Tool
- Helpful for quick auth and payload checks.
- Avoids writing throwaway scripts for simple conversions.
- Runs directly in the browser.
Frequently Asked Questions
Is Base64 encryption?
No. Base64 is encoding, not encryption.
Why does decode fail sometimes?
The input must be valid Base64 text.