Base64 Decoder
Decode standard Base64 bytes and interpret them as UTF-8 text.
How to use
- Enter Base64 and run the decoder.
Capabilities and scope
atob produces byte characters, which become a Uint8Array and are decoded by TextDecoder.
How it works
The implementation uses atob followed by UTF-8 TextDecoder.
Example
SGVsbG8= becomes Hello.
Useful for
- Read Base64 payloads known to contain UTF-8 text
Before you use it
- Arbitrary binary Base64 can decode to replacement characters or meaningless text.
Frequently asked questions
Can I restore a binary file here?
This tool is text-oriented; use the dedicated Base64-to-file tool for binary files.