Base64 Decode Online
Convert Base64 encoded strings back to readable text or downloadable files. Fast and private.
No account required - Start instantly
Instant Base64 Decoding
Need to decode a Base64 string? Our free online decoder instantly converts Base64 back to its original format, whether it's text, JSON, or binary data that you can download as a file.
Perfect for debugging APIs, reading encoded email headers, or extracting embedded images. Everything processes locally in your browser for maximum privacy.
Decoding Features
Decode any Base64 content
Text Decoding
Decode Base64 strings to readable text with automatic character encoding detection.
File Download
Decode Base64 to binary and download as a file. MIME type auto-detection included.
Image Preview
Decode Base64 images and preview them instantly before downloading.
Batch Processing
Decode multiple Base64 strings at once for efficient workflow.
How to Decode Base64
Quick and easy
Paste Base64
Enter your Base64 encoded string in the input area.
Click Decode
The tool automatically detects the content type.
View or Download
See the decoded text or download binary files.