Free Online MP4 Editor – Edit MP4 Videos

How to edit MP4 video files like text

01
Upload your MP4 files
Upload your MP4 files with a quick drag-and-drop into a new Descript project. Or capture your screen, camera, and mic right in the app, then mix in content from our built-in stock library. A transcript is generated automatically, so you can jump into faster video editing.
02
Edit your video
Use the transcript to edit MP4 video by cutting, deleting, or rearranging text. Each text edit instantly updates your video. There’s also a timeline editor and canvas for refining layers, applying AI effects, or crafting time-saving templates.
03
Share or export your new MP4
Once you’re happy with your edits, click Publish to export your polished MP4. You can download it or publish it directly to a supported platform like YouTube, Wistia, or eWebinar.

Everything you need from an online MP4 editor

Elevate your content with AI effects
Craft advanced results whether you’re a newbie or a seasoned pro. Descript’s AI features—Green Screen, Studio Sound, Eye Contact—handle background removal, reduce noise, and direct eyes toward the camera with one click.
Edit and share MP4 videos in up to 4K
Pick the perfect quality and resolution (480p to 4K), tweak audio settings or metadata, and export your MP4. If you’d rather not download, share a private link for easy viewing.
Edit MP4 files like text
Descript provides a text-based editing style, letting you edit your MP4 files just like a simple document. Press CTRL/CMD+K to add media, create animated captions, apply AI actions, and more anywhere in the transcript.

More than an MP4 editing tool

Descript is an AI-powered audio and video editor that treats your content like a text document—for podcasts, videos, and beyond.

Video editing
Turn MP4 clips into pro-level videos with a simple text-based editor that spares you heavy-lifting.
Green screen
Place your subject on any background using AI-driven Green Screen removal.
Stock media library
Level up your projects with free stock videos, images, music, and sound effects.
Publish straight from Descript to various platforms. Or generate a shareable link in seconds.
Publishing

Don’t just take our word for it

With a 4.6-out-of-5-star rating and a bunch of distinctions on G2, Descript’s users have declared it an industry standard in the video and podcasting world.

2025

Best Software

Video Editing

Text to Speech

Screen and Video Capture

“With Descript I'll be able to at least double my content output since editing is taking one-quarter the time it used to.”

Donna B.

“With Descript we can create videos for our YouTube channel and our LinkedIn page much faster and with high quality.”

Balázs N.

“Descript has made cleaning up and creating my educational videos into professional presentations [possible] without needing extensive technical computer skills.”

Barbara C.

“Descript makes recording and editing audio and video a breeze. It's advanced features have streamlined my workflows, saving me a lot of time usually spent editing.”

Roderick F.

“The collaborative tools streamline teamwork, allowing my team and me to work efficiently together on projects. Overall, Descript enhances productivity and simplifies the editing process.”

Aldrich M.

“Transcription based editing makes the process much faster…All in all, a must have editor for most audiences, especially in SaaS marketing.”

Nidhin M.

Surely there’s one for you

Free

no credit card required

Start your journey with text-based editing

Get started

1 transcription hour / month

Export 720p, with watermarks

Limited trial of Basic AI Actions

Limited trial of AI Speech

Hobbyist

$16

per person / month, billed annually

Elevate your projects, watermark-free

Get started

10 transcription hours / month

Export 1080p, watermark-free

20 uses / month of Basic AI Actions suite including Filler Word Removal, Studio Sound, Draft Show Notes, Create Clips, and more

30 minutes / month of AI speech with stock AI speakers and custom voice clones

5 minutes / month of avatars

Questions? We have answers

Can I edit Instagram and TikTok videos with Descript?
Descript supports editing for all your social media videos, including Instagram and TikTok. You can edit any video you upload.
Can I edit other video file types in Descript besides MP4s?
Yes. Descript works with multiple video file types, such as MP4, MPEG, MOV, and Apple ProRes.
Can I share my MP4 video through Descript?
You can host and share your MP4 video right from Descript. After you’re finished with editing, you can generate a shareable link and embed code, or publish your video directly to platforms like YouTube and Wistia.
How large an MP4 file can I edit in Descript?
Descript supports MP4 files up to 100GB. Anything larger must be split into multiple files or compressed before uploading.
How do I remove the background of an MP4 video file?
If your video has a clear human subject, use Descript’s Green Screen AI effect to remove the background in one click.