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MoviePy (online documentationhere) is a Python library for video editing: cuts, concatenations, title insertions, video compositing (a.k.a. non-linear editing), video processing, and creation of custom effects.

MoviePy can read and write all the most common audio and video formats, including GIF, and runs on Windows/Mac/Linux, with Python 3.9+.

In this example we open a video file, select the subclip between 10 and20 seconds, add a title at the center of the screen, and write theresult to a new file:

frommoviepyimportVideoFileClip,TextClip,CompositeVideoClip# Load file example.mp4 and keep only the subclip from 00:00:10 to 00:00:20# Reduce the audio volume to 80% of its original volumeclip= (VideoFileClip("long_examples/example2.mp4")    .subclipped(10,20)    .with_volume_scaled(0.8))# Generate a text clip. You can customize the font, color, etc.txt_clip=TextClip(font="Arial.ttf",text="Hello there!",font_size=70,color='white').with_duration(10).with_position('center')# Overlay the text clip on the first video clipfinal_video=CompositeVideoClip([clip,txt_clip])final_video.write_videofile("result.mp4")

Under the hood, MoviePy imports media (video frames, images, sounds) and converts them into Python objects (numpy arrays) so that every pixel becomes accessible, and video or audio effects can be defined in just a few lines of code (see thebuilt-in effects for examples).

The library also provides ways to mix clips together (concatenations, playing clips side by side or on top of each other with transparency, etc.). The final clip is then encoded back into mp4/webm/gif/etc.

This makes MoviePy very flexible and approachable, albeit slower than using ffmpeg directly due to heavier data import/export operations.

Intall moviepy withpip install moviepy. For additional installation options, such as a custom FFMPEG or for previewing, seethis section. For development, clone that repo locally and install withpip install -e .

The online documentation (here) is automatically built at every push to the master branch. To build the documentation locally, install the extra dependencies viapip install "moviepy[doc]", then go to thedocs folder and runmake html.

MoviePy is open-source software originally written byZulko and released under the MIT licence.The project is hosted onGitHub,where everyone is welcome to contribute and open issues or give feedback Please read ourContributingGuidelines.To ask for help or simply discuss usage and examples, useour Reddit channel.

• Zulko (owner)
• @osaajani led the development of v2 (MR)
• @tburrows13
• @keikoro

• @mgaitan
• @earney
• @mbeacom
• @overdrivr
• @ryanfox
• @mondeja

Maintainers wanted! this library has only been kept afloat by the involvement of its maintainers, and there are times where none of us have enough bandwidth. We'd love to hear about developers interested in giving a hand and solving some of the issues (especially the ones that affect you) or reviewing pull requests. Openan issue or contact us directly if you are interested. Thanks!