Free online Base64 encoder and decoder. Encode text to Base64 or decode Base64 back to plain text instantly. Perfect for developers working with data encoding.
Type or paste your text in the input field.
Click Encode to convert text to Base64, or Decode to convert Base64 back to readable text.
Use the Copy button to copy the result, or Swap to make the output your new input.
Q: What is Base64 encoding?
A: Base64 converts binary data to ASCII text using 64 characters. It is commonly used for transmitting data over text-based protocols.
Q: Does it support Unicode?
A: Yes, this tool handles UTF-8 text properly before encoding to Base64.
Q: Is the encoding reversible?
A: Yes, Base64 encoding is fully reversible. Use the Decode button to recover the original text.