Base64 to File Decoder
Decode Base64 text into its original byte sequence. Plain Base64 text or a Base64 data URL. A binary file with detected or selected media type. Invalid or truncated Base64 cannot recreate the original bytes.
Processed locally in your browser — files are never uploaded
Why use this converter?
Key details about this conversion path.
A defined operational boundary
Invalid or truncated Base64 cannot recreate the original bytes.
Controls for this operation
This tool exposes Output Format settings before processing.
Base64 to File
Understands both raw Base64 and standard data URL prefixes.
Input expectations are explicit
Plain Base64 text or a Base64 data URL.
How to use this converter
Follow these three steps.
- 1
Add your input
Select or drop Plain Base64 text or a Base64 data URL.
- 2
Choose settings
Review Output Format before processing.
- 3
Process and download
A binary file with detected or selected media type.
Frequently asked questions
Details about this conversion and its output.
Decode Base64 text into its original byte sequence.
Invalid or truncated Base64 cannot recreate the original bytes.
Example use: Recovering an embedded asset.
Plain Base64 text or a Base64 data URL.
A binary file with detected or selected media type.
Common use cases
Practical ways to use this tool.
- Recovering an embedded asset
- Inspecting encoded test data
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