System Tips

Base64 to ASCII Decoder

About Base64 to ASCII Decoder

Decode Base64 bytes into ASCII text locally in your browser for quick inspection of encoded developer data and payloads.

How to use this tool

Paste the base64 input and decode it. Review the output.

What to know

Base64 is a reversible encoding, not encryption or compression. Encoded data is usually larger than the original; preserve the expected character encoding and padding.