MP4 Joiner: Merge & Combine MP4 Files Free

How to combine MP4 files into one video

01
Upload your MP4 files
Start a new project in Descript and bring in your MP4 clips plus any other media. Drag and drop, or record new audio or video right inside the project to kick-start your merge.
02
Arrange, trim, and join
Descript generates a transcript that lets you cut, combine, and reorganize your MP4s with intuitive text edits. Select parts of the transcript to remove or copy-and-paste to reposition. Insert “/” to create scenes, making it easy to reorder footage or add transitions.
03
Export the joined MP4
When your MP4 files are joined, export your new video. Descript lets you save it locally, share via link, or embed on a site. Choose the option that fits your workflow best.

Merge, join, and trim MP4s seamlessly

Add MP4s to MP4s and more
Use our MP4 joiner to combine MP4s with MOV, MP3, PNG, GIF, and other media. Descript is a flexible editor good for newcomers and pros alike.
AI-powered MP4 video editing
One-click AI actions and effects transform your MP4 editing flow. Remove backgrounds with Green Screen. Remove noise with Studio Sound. Direct attention to the camera with Eye Contact. And more.
Join MP4s as easily as text
Descript makes merging several files in a single project faster. Use this text-based MP4 joiner and skip complicated tools. Combine MP4 videos, reorder them, and add transitions with minimal effort.

More than an MP4 combiner

Descript is an AI-powered audio and video editor that lets you edit content by working directly in your transcript.

Publishing
Share your finished MP4 files on different platforms directly from Descript.
AI image generator
Create custom AI-generated images to illustrate your ideas, right in Descript.
Multi-track editor
Drag and mix audio, visuals, and more into a well-crafted final project.
Remove the background from your MP4 videos in one click and replace it with a different scene or backdrop.
Green Screen

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

How to combine 2 or more MP4 files into one?
Import your MP4 files into Descript and line them up in your preferred order. You can merge MP4 clips by arranging the track in the timeline, then finalize them with transitions for a smooth result.
What's the fastest way to join MP4 files?
Descript offers a fast MP4 joiner thanks to its text-based interface. Merge MP4 clips, edit them in the transcript, and quickly enhance your video or podcast project. It’s efficient for pros and beginners.
Wha's the best free MP4 joiner for Mac?
Descript is a top-choice free MP4 joiner on Mac. It not only blends multiple MP4 files into one but also includes a suite of editing features for a polished final video.