DuckConvert

What it does

Convert videos, audio, images, and data formats 100% in your browser. No uploads, no server, completely private, fast and free.

Convert video, audio, images, PDFs, archives and data formats in the browser. Static site, no backend, so files are never uploaded.

Files are processed on your own device. Nothing is uploaded, because there is no server to upload to. Your files are processed strictly in local device memory. Nothing is uploaded. See how, and check for yourself. The site is a static export — HTML, JavaScript and WebAssembly on a CDN, with no backend behind it. When you drop a file in, the page reads it into memory and runs the conversion in a Web Worker on your own CPU. The output is handed back as a blob URL for you to save. At no point is there a request carrying your data, because there is no endpoint that would accept one. The heavy lifting is done by the same libraries a desktop tool would use, compiled to WebAssembly: ffmpeg for…from duckconvert.com

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