Base64 Decode
Turn a Base64 string back into readable text.
Free No signup Runs in your browser — nothing uploaded
Result
How to use the Base64 Decode
- Paste your content, or load a file.
- The result appears as you type.
- Copy or download the output.
Frequently asked questions
- Why does it say invalid?
- Base64 only allows A-Z, a-z, 0-9, + and /. Stray characters break it.
- Do my files get uploaded?
- No. This tool runs entirely in your browser, so the file never leaves your device.