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b64codec

Base64 → File

Paste Base64 data (or a full data: URI). The file type is detected from its contents, with a preview for images, audio, video, PDFs and text, and downloads get the correct extension.

Runs 100% in your browser — nothing is uploaded

Base64 input

Detected file

Paste Base64 on the left. The file type is detected automatically from its contents (PNG, JPEG, GIF, WebP, PDF, ZIP, MP3, MP4, fonts and more), and you can preview it before downloading.