Base64 Decode
Free online Base64 Decode tool. Convert Base64 encoded data back to original format Base64 data instantly. Supports text, URL-safe, files, and images. 100% browser-based, no uploads required.
What Is This?
Base64 decode data quickly and easily with our free online tool. Base64 encoding is widely used for transmitting binary data over text-based protocols, embedding images in HTML and CSS, storing binary data in JSON, and encoding binary attachments in emails. Our tool supports standard Base64, URL-safe Base64, and file/image Base64 conversion.
How to Use
Enter your data
Type or paste the text data, or upload a file you want to Base64 decode. The tool accepts text input and file uploads.
Choose Decode mode
Select Base64 Decode mode. Options include standard Base64 and URL-safe Base64 encoding.
Process the data
Click the button to Base64 decode your data. The result appears instantly in the output field.
Copy or download
Copy the result to your clipboard or download the processed data as a file.
Examples
Free Base64 Decode tool with instant processing
Supports standard and URL-safe Base64 formats
Encode and decode text, files, and images
One-click copy to clipboard for quick use
100% browser-based with complete data privacy
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Frequently Asked Questions
What is Base64 Decode?
Base64 Decode is the process of converting binary data to or from Base64-encoded text representation for safe transmission over text-based protocols.
What is the difference between standard and URL-safe?
URL-safe Base64 uses - and _ instead of + and /, and omits padding = characters, making it safe for URLs and filenames.
Can I Base64 decode images?
Yes, you can upload images and encode them to Base64 for embedding in HTML, CSS, or data URIs.
Is my data secure?
Yes, all Base64 processing happens entirely in your browser. Your data is never uploaded or stored.
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