MP4 Editor

Create, convert, and edit MP4 files online

Easily make the perfect MP4 file

MP4 files, otherwise known as the MPEG-4 video file format, is the most popular container format for videos on the internet. Most videos served online are served in the MP4 format. Kapwing's editor is here to help you edit MP4 files with ease. Whether your MP4 is a video, audio, high resolution, or a different file format, Kapwing can help!

MP4 Editor Screenshot

How to Edit an MP4 File Online

With Kapwing’s user-friendly MP4 editor, you can cut, split, and trim MP4 files within seconds. This tool is free to use on any iPhone and Android phone or Windows and MAC computers. In a few clicks, this simple editor can help you edit videos, video recordings, short clips and more without the hassle of downloading software.

Get started by uploading or pasting a URL to an MP4 file or use a video that you want to edit. Using the timeline editor, drag the ends of your video file to the locations that you want to trim. You can also use the timeline to stitch together multiple mp4 files. Using the controls in the sidebar, adjust the volume to balance your audio. You can also increase or decrease the speed of your video layers.

Watch your new and improved MP4 file, then export and download the video to save and share online. Try this free online MP4 editor by Kapwing to create the perfect audio for all your needs.

Powerful track handling
Kapwing's powerful timeline-based editor allows anyone to add and manipulate multiple tracks easily. Edit audio, images, and video all in one place. Adjust layers and place overlays at any point in the video. Drag and drop tracks to rearrange clips in just a few clicks.
Screenshot of track management
Screenshot of media library
Simple media management
Upload any file that you need to edit, and convert it in the cloud. With the powerful support for a media library, Kapwing lets you separate your files from your editing work. Reuse files across multiple projects, and create content faster than ever before. Organize your files all in one place, and edit them on any device as you need.
Discover millions of assets
With integrations in popular providers like Giphy, Unsplash, Pexels, Kapwing provides millions of stock video and audio files to help you get started in seconds. Discover inspiration for things to make directly within the Kapwing editor, and tap into a robust ecosystem of plugins and integrations.
Screenshot of stock assets
MP4 Editor
  1. Upload your MP4

    Upload the video that you want to edit, or paste a link to your video file online.

  2. Edit your MP4

    Use the timeline to edit and trim your mp4 file. If you have multiple mp4s, you can position them in the right places using timeline.

  3. Export and share

    When you're done editing your video, just click export and your final mp4 file will be exported. Download and use your audio as you need!

What's different about Kapwing?

No ads
We don't serve ads: we're committed to building a quality, trustworthy website.
Kapwing is completely free to start. Just upload a video and start editing!
No watermark
To create content with no watermark, just sign in to your Kapwing account!
No spam
We will never spam you nor sell your information to anyone.
Kapwing is cloud based, which means your videos are wherever you are.
Kapwing works hard to help make the content you want, when you want it.

Trusted by millions of creators around the world

Headshot of Mary
Mary P.
News Writer / Executive Producer
A brilliant content creation tool for social media that has a tonne of features available even in the free version. Kapwing is an incredible tool for social media content creation, be it GIF's, images, videos, it has a suite of tools to create awesome looking content in minutes.
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Tom F.
Co-Founder in Marketing
Kapwing is great for various reasons. There's a lot of features for both images and video, all of which are extremely easy to use. I also like that the Kapwing staff responds quickly to user feedback and input. If you create content, even using high end software, there's likely a reason for you to still use Kapwing for something.
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Rosa W.
Media Production Partner
Kapwing is pure genius. It takes a number of small, easy video tasks, and makes them easier. No need to download software just to reverse or resize a video.
Millions of people every month choose Kapwing to create, edit, and share content across the internet. Kapwing is loved and trusted by employees of companies large and small.

Ready? Let's do this!