Base64 Util
Convert files to base64 encoding and decode base64 back to files. Fast, secure, and works entirely in your browser.
📁 File to Base64
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Drop a file here or click to browse
Any file type is supported
💡 Files are processed locally in your browser using Web Workers for better performance.
📁 Supported: Images, documents, videos, audio, archives, and more
💾 Files of any size are supported (web worker prevents UI freezing)
🔢 Base64 to File
💡 Accepts raw base64 strings and data URLs. Uses web workers to process large files without blocking the UI.
📜 Recent Conversions
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Upload a file or paste base64 to get started