Drag and drop offline file converter supporting 270 formats.
Free alternative to CloudConvert · Zamzar

Screenshot from the project’s own README · tap to enlarge
Filee is a free tool that converts documents, images, videos, audio, and archives completely offline. You simply hold a key and drag a file to bring up a floating menu with available target formats. It requires no file uploads and works without installing Microsoft Office.
A few formats require downloading extra free engines like LibreOffice or FFmpeg.
Not sure how to install, or if it’s safe? Read the beginner guide
Yes, Filee is completely free and open-source under the MIT license, requiring no API keys or subscriptions.
It is open source (MIT license) with 26,783 GitHub stars, last updated 2026-11-14. Download only from the official link on this page, and scan the file before installing: see the safety checklist in our beginner guide.
Yes, all conversions are processed entirely locally on your device without uploading files to the internet.
Compiled from the project README. 26,783 GitHub stars (2026-11-13) · License MIT · Last update 2026-11-14