Base64 File Decoder
Convert Base64 strings back into original downloadable files. Supports PDF, images, audio, and binary files.
PNG Image
MIME: image/png
70 B (70 bytes)
.png
How to Decode Base64 to a Downloadable File
Many enterprise systems, databases, and APIs store documents and binary assets as Base64 strings. Our Base64 File Decoder allows you to reconstruct these strings into valid binary files directly on your machine.
The tool automatically inspects the first several bytes (magic numbers) of the reconstructed binary stream to determine if the file is a PDF (%PDF), a PNG image, a JPEG, a ZIP container, or another format. You can then download the resulting file with its correct extension.
Frequently Asked Questions
Clear, concise answers to common questions about Base64 decoding, encoding, and specifications.
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