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Base64 Decoder
Decode Base64 strings back into readable text instantly. Great for debugging encoded payloads. Free and private.
How to use Base64 Decoder
1
Click "Select file" or drag and drop your file into the upload area
2
Configure any options if available for this tool
3
Click the convert or process button to start
4
Download your result from the result page
When to use this tool
- Quick online conversion without installing any software
- Works on Windows, Mac, iPhone, and Android devices
- Files are automatically deleted after download for privacy
- Free to use with no registration or account required
Frequently Asked Questions
What formats are supported?
Standard Base64 strings with or without padding.
Invalid input?
An error message will show if input is not valid Base64.
Is data stored?
No.
Max input?
Up to 1MB.