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File to Base64 & Data URI Converter

Processed in your browser

Convert any local file (images, PDFs, audio, fonts, documents) to Base64 data URI format or decode Base64 strings back to downloadable binary files.

P0 Privacy: 100% Client-Side FileReader & Blob API

Drag & drop any file here, or click to browse

Supports PNG, JPG, SVG, WebP, PDF, Audio, Video, Fonts (WOFF2), ZIP, and JSON

Base64 Output:

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Encoding & Binary Translation Suite

Direct In-Browser Handoff

Chain this tool with complementary private browser utilities for a complete zero-server workflow:

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How to Use the File to Base64 & Data URI Converter

Free, browser-first File to Base64 & Data URI Converter. Fast client-side computation with zero server uploads, complete privacy, and no usage limits.

Privacy & Data Processing Notice

No user data leaves your browser. Computation is executed entirely on your device. We do not store, view, or transmit your inputs over our network. Your computation remains on your personal machine.

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