Base64 Decoder
Decode Base64 back to readable text.
Runs entirely in your browser. Your data is never uploaded.
About Base64 Decoder
Base64 Decoder converts Base64 strings back into readable UTF-8 text, with clear feedback when the input is not valid Base64.
How to use
- 1Paste your Base64 string.
- 2Read the decoded text.
- 3Copy the result.
Frequently asked questions
What if the input is invalid?
You'll see an error message instead of garbled output.