About This Tool
The Base64 Decoder converts Base64-encoded strings back into readable plain text, instantly and entirely in your browser.
Frequently Asked Questions
What happens if I enter invalid Base64?
The tool will display an error message indicating the input is not valid Base64-encoded data.
Can I decode Base64 images?
This tool is designed for decoding Base64 text strings. Image data URIs will decode to raw binary which may not display correctly as text.
Is decoding safe to do for sensitive data?
Yes, decoding happens entirely in your browser and nothing is transmitted to any server.