Slow Down Your M4A For Free Online

How to Easily Slow Down M4A Files

01
Sign Up and Import Your M4A File
Sign up for Descript and create a new project. Simply drag and drop your M4A file into the project window to get started. This intuitive interface makes it easy to manage your audio files and begin editing right away.
02
Adjust Clip Speed and Duration
Once your M4A file is uploaded, navigate to the "Layer" option on 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 playback speed.
03
Publish and Export Your Optimized M4A
When ready, click 'Publish' and navigate to the 'Export' tab to post or download your optimized M4A. Configure your export settings to match your needs and click 'Export' to save the file to your desired location. This ensures your audio is ready for sharing or further use.

Effortlessly Slow Down M4A Files for Precise Listening

Adjust frame rate & playback speed
With Descript, you can easily adjust the frame rate and playback speed of your M4A files. Whether you need to slow down audio for detailed analysis or speed it up for quick reviews, Descript provides the flexibility to tailor playback to your specific needs, enhancing your audio editing experience.
Apply slow motion, time lapse, and other video effects
Enhance your M4A files effortlessly with Descript's video effects. Apply slow motion to capture every detail, or use time lapse to speed through lengthy content. Perfect for creating engaging tutorials, presentations, or any project requiring precise control over playback speed.
Upgrade audio quality in one click
Enhance your M4A files effortlessly with Descript's one-click audio quality upgrade. Whether you're slowing down audio for detailed analysis or improving clarity, this feature ensures pristine sound. Achieve professional-grade results instantly, making your audio projects sound their best without the hassle of complex editing.

More than a simple audio 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 slow down M4A files seamlessly, ensuring precise control over each audio layer.
Studio Sound
Enhance your M4A files with Descript's Studio Sound, ensuring crystal-clear audio even when slowing down playback.
Transcription
Transcribe your M4A files effortlessly with Descript, making it easier to slow down and analyze every detail.
Filler word removal
Effortlessly remove filler words from your M4A files, ensuring a polished and professional audio experience with Descript.

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

AI Video Generators

Screen and Video Capture

Text to Speech

“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.

PRICING

Surely there’s one for you

Free

$0

per person / month

Start your journey with text-based editing

1 media hour / month
100 AI credits / month
Export 720p, watermark-free
Limited use of Underlord, our agentic video co-editor and AI tools
Limited trial of AI Speech

Hobbyist

$24

$16

per person / month

1 person included

Elevate your projects, watermark-free

10 media hours / month
400 AI credits / month
Export 1080p, watermark-free
Access to Underlord, our AI video co-editor
AI tools including Studio Sound, Remove Filler Words, Create Clips, and more
AI Speech with custom voice clones and video regenerate

$35

$24

per person / month

Scale to a team of 3 (billed separately)

Unlock advanced AI-powered creativity

30 media hours / month
+5 bonus hours
800 AI credits / month
+500 bonus credits
Export 4k, watermark-free
Full access to Underlord, our AI video co-editor and 20+ more AI tools
Generate video with the latest AI models
Unlimited access to royalty-free stock media library
Access to top ups for more media hours and AI credits

Questions? We have answers

What audio quality can I expect when slowing down M4A files with this tool?
When slowing down M4A files with Descript, you can expect high audio quality. The tool ensures that the pitch remains consistent, avoiding distortion and maintaining clarity. This makes it ideal for detailed audio analysis or leisurely listening without compromising the original sound integrity.
Are there any limitations on the length of M4A files that can be processed?
Descript imposes no specific limitations on the length of M4A files that can be processed. However, extremely large files may require more processing time and system resources, potentially affecting performance. For optimal results, ensure your system meets the recommended specifications.
What pricing plans does Descript offer for individual users and teams?
Descript offers flexible pricing plans for both individual users and teams. Individual plans start with a free tier, followed by a Creator plan at $12/month. Teams can opt for the Pro plan at $24/month per user, which includes advanced features and collaboration tools.
Does Descript support collaboration features for team projects?
Yes, Descript supports collaboration features for team projects. It allows multiple users to edit, comment, and share files in real-time, ensuring seamless teamwork and efficient project management. This makes it an ideal tool for teams working on audio and video projects together.