Base64 Decode
Decode Base64 encoded text back to original format.
What does Base64 Decode do?
Base64 Decoder converts Base64 encoded text back into plain text. It handles Unicode characters correctly by decoding UTF-8 after Base64 conversion.
Use Cases
- •Decode HTTP Basic Auth credentials
- •Decode email attachments in MIME format
- •Decode Base64 strings from logs or APIs
- •Decode data embedded in JSON or XML
How to Use
- 1Paste or type your Base64 string into the input panel
- 2Click "Decode" to convert to plain text
- 3Copy the output or download it as a file
Frequently Asked Questions
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data as ASCII text using 64 printable characters.
What if my input is not valid Base64?
The decoder will show an error message. Base64 strings must contain only characters A-Z, a-z, 0-9, +, /, and = for padding.