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Base64 Encoder
Encoding & Decoding
Base64 Encoder & Decoder
Interactive workspace
Runs in your browser
Encode
Decode
Text input
Hello, ServerSideStory! 👋
26 characters · UTF-8 text
Encode to Base64
Clear
Output
The converted text will appear here.
Copy output
How to use this tool
1
Select Encode to turn plain text into Base64, or Decode to convert Base64 text back into UTF-8.
2
Enter or paste the value in the input panel, then run the selected operation.
3
Copy the result when it looks correct. Invalid Base64 or text that is not valid UTF-8 produces an error instead of a partial result.
Common use cases
✓
Inspect Base64 text found in API payloads or web examples.
✓
Encode small text values for systems that accept Base64 input.
✓
Understand how UTF-8 text is represented after Base64 encoding.
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