FREE TOOLS

Base64 to file

Decode strict Base64 into an exact binary download.

Plain text

Binary file

Browser only

Your input and output are processed in this browser. They are not uploaded for processing. No account is required.

This tool needs JavaScript. If it does not load, refresh the page and try again.

How to use this tool

Paste your input in the labelled field.
Choose the operation and settings that match your task.
Run the tool, review the result and download it if needed. All processing stays in your browser.

SGVsbG8= → a file containing Hello

Up to 14 MiB of Base64 and 10 MiB decoded bytes.

Does not detect, execute or preview the decoded file.

Standard alphabet and padding; no data URL prefix.

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