Processed in your browser
Base64 Decoder Online
Paste a Base64 string and decode it into readable text.
Base64 decoded.
Output appears here.
How to use Base64 Decoder
1
Paste Base64 text.
2
Decode the string.
3
Copy the readable output.
Frequently Asked Questions
What if the input is invalid?
The tool will show an error instead of returning broken output.
Is Base64 secure?
No. Anyone can decode Base64 text.
Is my data private?
Yes. Decoding runs in your browser.