Slow Down Your MP4 For Free Online

Steps to Slow Down Your MP4

01
Sign Up and Import Your Video
Sign up for Descript and start a new project. Simply drag and drop your MP4 video into the project window. This intuitive interface makes it easy to get started, allowing you to focus on editing without any hassle.
02
Adjust Clip Speed in the Layer Panel
Once your upload is complete, navigate to the "Layer" option in the right-hand panel. Here, you can adjust the clip speed under "Duration" by either dragging the sliders in the "Speed" and "Duration" boxes or typing in a specific multiplier. This allows for precise control over your video's playback speed.
03
Publish and Export Your Optimized MP4
When ready, click 'Publish' and navigate to the 'Export' tab. Here, you can post or download your optimized MP4. Adjust your export settings as needed, then click 'Export' to save the file to your desired location. This ensures your video is ready for sharing or further use.

Effortlessly Slow Down MP4 Videos for Precise Editing

Adjust frame rate & playback speed
With Descript, you can easily adjust the frame rate and playback speed of your MP4 files. Whether you need to slow down a tutorial for better comprehension or speed up a presentation, Descript provides the flexibility to tailor your video content to your audience's needs.
Apply slow motion, time lapse, and other video effects
Enhance your videos effortlessly with Descript's powerful features. Whether you need to slow down an MP4 for detailed analysis, create a time-lapse for a dynamic effect, or apply other video effects, Descript makes it simple. Achieve professional results without the hassle of complex editing software.
Non-destructive video conversion
Descript's non-destructive video conversion lets you slow down MP4 files without losing quality. Easily adjust playback speed while preserving the original file, ensuring you can always revert to the unaltered version. Perfect for creating detailed tutorials or analyzing footage frame by frame.

More than a video editor

Descript is an AI-powered audio and video editing tool that lets you edit podcasts and videos like a doc.

Multi-track editor
Descript's multi-track editor allows you to precisely slow down MP4 files, ensuring seamless synchronization across multiple audio and video tracks.
Captions & subtitles
Effortlessly add captions and subtitles to your slowed-down MP4 videos, enhancing accessibility and viewer engagement with Descript.
Studio Sound
Enhance your slowed-down MP4s with Descript's Studio Sound, ensuring crystal-clear audio quality for a professional finish.
Text-based editing
Effortlessly slow down MP4 files using Descript's text-based editing, allowing precise control over playback speed with simple text commands.

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

What audio formats does the Slow Down MP4 tool support besides MP4?
Besides MP4, the Slow Down MP4 tool supports various audio formats including MP3, WAV, and AAC. This versatility ensures users can work with a wide range of audio files, making it a flexible choice for different projects.
Can I adjust the speed incrementally or only in preset values with the Slow Down MP4 tool?
With the Slow Down MP4 tool, you can adjust the speed incrementally, allowing for precise control over playback. This flexibility ensures you can find the perfect speed for your needs, rather than being limited to preset values.
What are the different pricing tiers available for Descript?
Descript offers three pricing tiers: Free, Creator, and Pro. The Free plan includes basic features, while the Creator plan, at $12 per month, adds advanced editing tools. The Pro plan, at $24 per month, provides additional premium features and priority support.
Does Descript offer any collaboration features for team projects?
Yes, Descript offers robust collaboration features for team projects. Team members can edit, comment, and share files in real-time, ensuring seamless communication and efficient workflow. This makes it easy to work together on audio and video projects from anywhere.