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.
Key Features
Encode and decode instantly
UTF-8 support
Browser-based
One-click copy
No data upload
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.
Pro Tips
- Base64 is encoding, not encryption
- Double-check UTF-8 encoding for special characters
- Never store secrets as Base64 expecting security
- Use for auth headers and tokens
Frequently Asked Questions
Is Base64 encryption?
No. Base64 is encoding, not encryption.
Why does decode fail sometimes?
The input must be valid Base64 text.