The Base64 Encoder / Decoder converts text into Base64 and decodes Base64 strings back into readable text. It is useful for developers, data workflows, testing, and documentation.
The tool supports UTF-8 text and runs fully in your browser, so the input and output stay local.
Encode or Decode Base64
How to Use
Enter Text
Paste plain text to encode or Base64 text to decode.
Choose an Action
Click Encode to create Base64 or Decode to convert Base64 back to text.
Copy Result
Copy the converted output into your code, notes, or workflow.
Why Use This Tool?
UTF-8 friendly: Handles modern text safely with browser text encoding.
Fast debugging: Inspect Base64 strings without leaving your site.
Private conversion: Nothing is sent to an external server.
Practical Example
A developer can encode a short text payload for testing, then decode it again to confirm the value is correct.