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ganeshrvel/openmtp

A macOS app for transferring files between a Mac and Android or other MTP devices over USB, with support for files larger than 4GB.

Open-source alternative to:Android File Transfer

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What is it?

OpenMTP is a file transfer app for macOS that lets you browse and copy files between a Mac and an Android phone or other MTP devices. It connects over a plain USB cable, with no need for Wi-Fi or ADB setup, and offers a two-pane view with one panel for the local computer and one for the device.

The app supports transferring files larger than 4GB, which the official Google Android File Transfer app does not handle. It also lets you choose between internal storage and SD cards, rename files and folders on the device, and drag and drop items between panels. Keyboard shortcuts cover most navigation and file operations.

OpenMTP is free, MIT-licensed and open source. Its newer "Kalam" MTP kernel supports macOS 11 (Big Sur) and later on Intel and Apple Silicon Macs, while older macOS versions use a legacy mode in a separate v3.1.15 build.

Key features

  • 01Transfers files over USB without Wi-Fi or ADB setup.
  • 02Handles individual files larger than 4GB.
  • 03Dual-pane browser for the Mac and the Android device.
  • 04Supports drag-and-drop, grid and list views, and dark mode.
  • 05Lets you choose between internal storage and SD card.
  • 06Offers keyboard shortcuts for navigation, copy, paste and rename.

Use cases

  • Moving photos, videos or large recordings from an Android phone to a Mac.
  • Copying files onto an Android device from a Mac without installing ADB tools.
  • Managing files on an Android tablet or camera that uses MTP.

In collections

Open-source Mac appsAndroid apps & phone tools

Topics

#android#mtp#file-transfer#macos#electron#usb#nodejs#openmtp#react#reactjs

FAQ

What is openmtp?
A macOS app for transferring files between a Mac and Android or other MTP devices over USB, with support for files larger than 4GB. OpenMTP is a file transfer app for macOS that lets you browse and copy files between a Mac and an Android phone or other MTP devices. It connects over a plain USB cable, with no need for Wi-Fi or ADB setup, and offers a two-pane view with one panel for the local computer and one for the device.
Is openmtp free to use? What license does it have?
openmtp is open source under the MIT license. Check the license terms before using it in commercial products.
Is openmtp still maintained?
Updated within 6 months. The last commit to openmtp was on Sep 23, 2026.
What can I use openmtp for?
Moving photos, videos or large recordings from an Android phone to a Mac. Copying files onto an Android device from a Mac without installing ADB tools. Managing files on an Android tablet or camera that uses MTP.
Where can I get openmtp?
The source code and installation instructions are on GitHub: https://github.com/ganeshrvel/openmtp

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