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# scrcpy (v2.1.1)
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<img src="app/data/icon.svg" width="128" height="128" alt="scrcpy" align="right" />
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_pronounced "**scr**een **c**o**py**"_
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This application mirrors Android devices (video and audio) connected via
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USB or [over TCP/IP](doc/device.md#tcpip-wireless), and allows to control the
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device with the keyboard and the mouse of the computer. It does not require any
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_root_ access. It works on _Linux_, _Windows_ and _macOS_.
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It focuses on:
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- **lightness**: native, displays only the device screen
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- **performance**: 30~120fps, depending on the device
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- **quality**: 1920×1080 or above
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- **low latency**: [35~70ms][lowlatency]
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- **low startup time**: ~1 second to display the first image
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- **non-intrusiveness**: nothing is left installed on the Android device
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- **user benefits**: no account, no ads, no internet required
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- **freedom**: free and open source software
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[lowlatency]: https://github.com/Genymobile/scrcpy/pull/646
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Its features include:
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- [audio forwarding](doc/audio.md) (Android >= 11)
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- [recording](doc/recording.md)
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- mirroring with [Android device screen off](doc/device.md#turn-screen-off)
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- [copy-paste](doc/control.md#copy-paste) in both directions
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- [configurable quality](doc/video.md)
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- Android device screen [as a webcam (V4L2)](doc/v4l2.md) (Linux-only)
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- [physical keyboard/mouse simulation (HID)](doc/hid-otg.md)
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- [OTG mode](doc/hid-otg.md#otg)
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- and more…
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## Prerequisites
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The Android device requires at least API 21 (Android 5.0).
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[Audio forwarding](doc/audio.md) is supported for API >= 30 (Android 11+).
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Make sure you [enabled USB debugging][enable-adb] on your device(s).
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[enable-adb]: https://developer.android.com/studio/debug/dev-options#enable
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On some devices, you also need to enable [an additional option][control] `USB
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debugging (Security Settings)` (this is an item different from `USB debugging`)
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to control it using a keyboard and mouse. Rebooting the device is necessary once
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this option is set.
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[control]: https://github.com/Genymobile/scrcpy/issues/70#issuecomment-373286323
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Note that USB debugging is not required to run scrcpy in [OTG
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mode](doc/hid-otg.md#otg).
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## Get the app
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- [Linux](doc/linux.md)
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- [Windows](doc/windows.md)
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- [macOS](doc/macos.md)
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## User documentation
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The application provides a lot of features and configuration options. They are
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documented in the following pages:
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- [Connection](doc/connection.md)
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- [Video](doc/video.md)
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- [Audio](doc/audio.md)
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- [Control](doc/control.md)
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- [Device](doc/device.md)
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- [Window](doc/window.md)
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- [Recording](doc/recording.md)
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- [Tunnels](doc/tunnels.md)
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- [HID/OTG](doc/hid-otg.md)
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- [Video4Linux](doc/v4l2.md)
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- [Shortcuts](doc/shortcuts.md)
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## Resources
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- [FAQ](FAQ.md)
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- [Translations][wiki] (not necessarily up to date)
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- [Build instructions](doc/build.md)
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- [Developers](doc/develop.md)
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[wiki]: https://github.com/Genymobile/scrcpy/wiki
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## Articles
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- [Introducing scrcpy][article-intro]
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- [Scrcpy now works wirelessly][article-tcpip]
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- [Scrcpy 2.0, with audio][article-scrcpy2]
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[article-intro]: https://blog.rom1v.com/2018/03/introducing-scrcpy/
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[article-tcpip]: https://www.genymotion.com/blog/open-source-project-scrcpy-now-works-wirelessly/
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[article-scrcpy2]: https://blog.rom1v.com/2023/03/scrcpy-2-0-with-audio/
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## Contact
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If you encounter a bug, please read the [FAQ](FAQ.md) first, then open an [issue].
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[issue]: https://github.com/Genymobile/scrcpy/issues
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For general questions or discussions, you can also use:
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- Reddit: [`r/scrcpy`](https://www.reddit.com/r/scrcpy)
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- Twitter: [`@scrcpy_app`](https://twitter.com/scrcpy_app)
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## Donate
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I'm [@rom1v](https://github.com/rom1v), the author and maintainer of _scrcpy_.
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If you appreciate this application, you can [support my open source
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work][donate]:
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- [GitHub Sponsors](https://github.com/sponsors/rom1v)
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- [Liberapay](https://liberapay.com/rom1v/)
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- [PayPal](https://paypal.me/rom2v)
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[donate]: https://blog.rom1v.com/about/#support-my-open-source-work
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## Licence
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Copyright (C) 2018 Genymobile
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Copyright (C) 2018-2023 Romain Vimont
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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