Base64 to file
This tool validates Base64 text, decodes the bytes, and creates a local Blob with the selected filename. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.
The input stays available if you need to adjust a setting.
How to use base64 to file
- 1
Add the source values or files shown in the workbench.
- 2
Choose the settings for base64 to file.
- 3
Run the tool, inspect the local result, then copy or download it.
A realistic example
Restore a text data URL into a downloadable `decoded-file.txt`. The source and generated result remain in this browser tab throughout the operation.
Supported formats and limits
Input: Base64 text or data URL. Output: downloadable file.
- The tool cannot infer a useful filename when the input does not provide one.
- Available memory and browser limits still apply to very large inputs.
Questions people ask
What does base64 to file change?
This tool validates Base64 text, decodes the bytes, and creates a local Blob with the selected filename.
Is any input sent to a server?
No. LocalKit performs this operation in your current browser tab.