Filo is an independent Dropbox client for macOS and Windows, designed to keep your files where you need them. It syncs the folders you choose with your Dropbox account in a native app built to stay lightweight, unobtrusive and respectful of your privacy. An everyday companion that does its job without getting in your way.
Free for now · French and English interface planned · Independent of Dropbox
A sync app works closely with your documents. It should be understandable, let you choose your folders and help you follow what is happening. Filo is being built around three priorities: a lightweight app, respect for your privacy and a commitment to open source.
Filo’s core — its sync logic and exchanges with Dropbox — is written in Rust and shared between macOS and Windows. This common foundation allows both versions to follow the same principles of operation and reliability. The interface, however, is built with each system’s own technologies: SwiftUI on macOS and Win32 on Windows. Filo can therefore remain consistent across platforms while feeling like a natural, lightweight app on each one.
Filo is designed without personal data collection by its developer, advertising tracking or usage statistics sent to the developer. Your files are exchanged with your Dropbox account to perform the sync. Filo’s settings and technical logs stay on your computer; Dropbox’s processing is covered by its own privacy policy.
Filo’s code is licensed under MIT. Public access is being prepared, so people will be able to inspect how it works, modify it and redistribute it under that licence. A link to the source will appear here once it has been published, making that transparency something you can actually explore.
Filo began with a wish for straightforward syncing and an app that respects both your computer and your attention. You choose which folders to sync and remain in control of which ones you keep locally. Development focuses on making its behaviour understandable, including when a transfer fails or two versions of a file need to be reconciled.
That philosophy also shapes how Filo is built: native interfaces, preparations to open the source code and no collection of personal data by the developer. The beta is a chance to test these choices in real situations, listen to feedback and improve reliability step by step. The aim is a useful, pleasant tool whose behaviour you can understand and trust.
An independent project, built with care and improved through feedback.
Filo 2.0.0 beta 13 is available for macOS. This universal build works on both Apple Silicon and Intel Macs running macOS 14 Sonoma or later. Windows 11 builds are still being prepared.
Download the universal DMG for macOS 14 Sonoma and later. The same file works on both Apple Silicon and Intel Macs.
Download Filo 2.0.0For Windows 11. Two versions are planned: x64 for PCs with Intel or AMD processors, and ARM64 for Windows on ARM PCs. Choose the version that matches your computer.
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The beta is free for now. It may still contain bugs: keep an independent backup of your important documents and avoid entrusting your only copies to a test release.
Compatibility, privacy, source code and pricing: here are answers to the most common questions, with the distinctions that help explain the project as it stands today.
Yes, Filo is free for now, including during this beta phase. Its long-term business model has not been decided, so this is not a promise that it will remain free forever. Any donations will be optional.
The project’s code carries the MIT licence, an open source licence that permits use, modification and redistribution, among other rights. Public access is still being prepared. The site will link to the source when it is actually available; we distinguish that step from having a licence in place.
Filo is designed so that its developer does not receive your personal data, your files or statistics about how you use the app. This does not mean that your files never leave your computer: they are exchanged with the Dropbox account you choose to connect. Settings, a sync index and technical logs are stored locally to make the app work.
The app uses a Rust engine and native interfaces with the aim of keeping resource use low. Actual consumption depends on your folders, file count and ongoing transfers. Size and memory measurements may be published for distributed builds, with context, rather than a promise that applies to every situation.
The Rust engine contains the sync logic shared by macOS and Windows. This avoids developing two separate engines and allows the same operating rules to evolve across both platforms. The interface remains specific to each system: SwiftUI on macOS and Win32 on Windows, so Filo can respect each platform’s conventions and feel familiar on every computer.
Planned releases target macOS 14 Sonoma and later, with one universal app for Apple Silicon and Intel. Windows 11 will have two separate downloads: x64 for Intel and AMD, and ARM64 for Windows on ARM. Each link will be enabled after its corresponding build has been validated.
Filo’s interface will be available in French and English on both macOS and Windows. The website is also available in both languages; you can switch at any time using the FR / EN selector.
No. Filo is an independent project, not developed or endorsed by Dropbox. You will need a Dropbox account to sync your files. That service’s terms, including the storage limits of your plan, continue to apply.
A sync app needs to be tested with a variety of files and real-world workflows. This public beta helps gather feedback, fix issues and validate Filo before a stable release. An independent backup remains necessary during testing.
Filo includes conflict-handling mechanisms and safeguards against some accidental deletions. Their validation continues during the beta. They are not a replacement for an independent backup: keep a separate copy of important documents, especially when trying a new build.
Filo is free for now. Development takes time, testing across different computers and ongoing maintenance. If the project is useful to you, an optional donation will be a way to contribute once the service is available. Funding may evolve over time; the project’s long-term business model remains to be decided.
Would you rather wait for a stable release before getting started? An optional signup will let you receive an email when it is ready. The form shows the planned signup experience; it remains inactive until the service has been configured.
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