Free Online Base64 Encoder & Decoder
Encode & decode Base64 strings
Result will appear here...
About Base64
Encode text to Base64 or decode Base64 strings back to plain text. Supports UTF-8 encoding. Useful for API debugging, data URIs, and encoding binary data as text.
How to Use Base64
- 1
Enter your text or Base64 string
Paste plain text to encode or a Base64 string to decode.
- 2
Click Encode or Decode
The result appears instantly in the output panel.
- 3
Copy result
Click the copy button to use the result.
Frequently Asked Questions
Is my data safe?
Yes. All processing happens entirely in your browser. Your data never leaves your device and is never uploaded to any server.
What character encoding is used?
UTF-8 encoding is used by default, which supports all Unicode characters.