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OpenShot is written in a few different programming languages. The interface is built with <a href="%(python_url)s" target="_blank">Python</a> and <a target="_blank" href="%(qt5_url)s">PyQt5</a>. Our video processing backend (libopenshot) is built in C++, and utilizes <a href="%(ffmpeg_url)s" target="_blank">FFmpeg</a>. Out interactive drag-n-drop timeline is built with HTML5, JavaScript, and <a href="%(angular_url)s" target="_blank">AngularJS</a>. Many of our advanced 3D effects and animations are powered by <a href="%(blender_url)s" target="_blank">Blender</a>.

OpenShot Video Editor™ is free software: you can redistribute it and/or modify it under the terms of the <a href="%(gpl_url)s" target="_blank">GNU General Public License</a> as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

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OpenShot™ was created in 2008, in an effort to build a free, simple, open-source video editor for Linux. It is now available on Linux, Mac, and Windows, has been downloaded millions of times, and continues to grow as a project!

OpenShot™ is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Editing videos <strong>in the cloud</strong> has never been easier! Simple <strong>RESTful</strong> interface, <strong>pay-as-you-go</strong> pricing, and industry leading video editing capabilities. Easily create video templates in <a href="%(openshot_url)s/">OpenShot Video Editor</a>, our <strong>award-winning</strong> free, open-source desktop video editor, and modify them using our Cloud API. Fast, easy, and affordable cloud video editing.

No compromises needed with OpenShot Cloud API. Full video editing feature set, including transitions, effects, key frame animations, compositing, watermarking, audio mixing, and more!

OpenShot Cloud API is priced using a SAAS model, very similar to how Amazon prices server instances. Pay just for the hours you are running the instance. Stop at anytime, with no contracts. Billing is handled automatically by Amazon at the end of the month... based on your instance hours used. Most of our competitors charge for each minute of rendered video, but that model is very expensive and difficult to reasonably scale. With OpenShot Cloud API, you have a low, flat-rate per hour, regardless of how many thousands of minutes you are rendering.

Tracks are used to layer images, videos, and audio in a project. You can create as many layers as needed, such as watermarks, background audio tracks, background videos, etc... Any transparency will show through the layer below it. Tracks can also be moved up, down, or locked.

Clip resizing, scaling, trimming, snapping, rotation, and cutting

Clips on the timeline can be adjusted in many ways, including scaling, trimming, rotation, alpha, snapping, and adjusting X,Y location. These properties can also be animated over time with just a few clicks! You can also use our transform tool to interactively resize clips.

Over <strong>400 transitions</strong> are included in OpenShot, which lets you gradually fade from one clip to another. The quickness and sharpness of the transitions can also be adjusted using keyframes (if needed). Overlapping two clips will create a new transition automatically.

When arranging clips in a video project, images on the higher tracks/layers will be displayed on top, and the lower tracks will be displayed behind them. Much like a stack of paper, items on top cover up items below them. And if you cut any holes out (i.e. transparency) the lower images will show though.

Our video editing library (libopenshot) has been built with accuracy in mind. This allows OpenShot to finely adjust which frames are shown (and when). Use the arrow keys on your keyboard to step <strong>frame by frame</strong> through your video project.

<strong>Control the power of time</strong> with OpenShot! Speed up and slow down clips. Reverse the direction of a video. Or manually animate the speed and direction of your clip as you wish, using our powerful key frame animation system.

OpenShot includes many video effects (with more on the way). Drag a video effect onto your clip, and adjust it's properties (many which can be animated). Adjust brightness, gamma, hue, greyscale, chroma key, and much more! Combined with transitions, animation, and time control, OpenShot is an <strong>extremely powerful</strong> video editor.

Our <strong>advanced video editing timeline</strong> has a ton of great features for helping you build a great video project. Dragging and dropping, resizing clips, zooming in and out, alignment, preset animations and settings, slicing, snapping, and more! Just drag a file onto the timeline to begin!

Frame accuracy (step through each frame of video)

Using our powerful animation framework, you can fade, slide, bounce, and animate anything in your video project.

Control the power of time, reversing, slowing down, and speeding up video. Use a preset or animate the playback speed and direction.

Clips on the timeline can be adjusted in many ways, including scaling, trimming, rotation, alpha, snapping, and adjusting X,Y location. These properties can also be animated over time!

Gradually fade from one clip to another. The quickness and sharpness of the transitions can also be adjusted using keyframes (if needed).

OpenShot includes many video effects (with more on the way). Adjust brightness, gamma, hue, greyscale, chroma key, and much more! Combined with transitions, animation, and time control, libopenshot is an <strong>extremely powerful</strong> video editing library.

We have designed OpenShot to be simple, powerful, and beautiful. Take a look below at our user interface, and many common features, menus, and screens. Or checkout our latest videos and user guide.

So, after much consideration, I decided to start my own video editor project in August of 2008. Sounds easy right? However, as I learned, I had many challenges awaiting me.

One of my friends suggested that I should track my progress with a blog. Although I had no experience blogging, it turned out to be one of the best decisions I've made. It has allowed me to document my key decisions, meet many interesting people, and most importantly, it gives me a direct feedback loop with the video editing community.

The last piece missing from the puzzle was a good multimedia framework (i.e. the library that does all the video and audio mixing). MLT. Enough said.