Base64 Encoder / Decoder - free online tool
Encode text to Base64 or decode Base64 back to readable text.
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Privacy: this tool runs in your browser. Your input is not sent to our server.
How to use Base64 Encoder / Decoder
Pick Encode or Decode, then paste your input.
Example
Hello encodes to SGVsbG8=.
Frequently asked questions
Is Base64 encryption?
No. Base64 is an encoding, not security. Anyone can decode it.
Why does decoding fail?
The input must be valid Base64 made of letters, digits, plus, slash and equals signs.