Slow Down Your MP3 For Free Online

How to Easily Slow Down MP3 Files

01
Sign Up and Import Your MP3 File
Sign up for Descript, then start a new project. Simply drag and drop your MP3 file into the project window to begin. This intuitive process ensures you can quickly get started with slowing down your audio without any hassle.
02
Adjust Clip Speed and Duration
Once your MP3 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 MP3
When ready, click 'Publish' and navigate to the 'Export' tab. Here, you can post or download your optimized MP3. Adjust your export settings as needed, then click 'Export' to save the file to your desired location. This ensures your slowed-down MP3 is ready for use.

Effortlessly Slow Down Your MP3 Files for Precision

Adjust frame rate & playback speed
With Descript, you can easily adjust the frame rate and playback speed of your MP3 files. Whether you need to slow down an audio track for detailed analysis or speed it up for quick review, Descript provides the flexibility to tailor playback to your specific needs.
Upgrade audio quality in one click
Enhance your listening experience effortlessly. With Descript, you can slow down MP3 files and simultaneously upgrade audio quality in one click. This ensures that every detail is crystal clear, making it perfect for transcriptions, language learning, or simply enjoying your favorite tracks at a different pace.
AI-powered audio editing
Descript's AI-powered audio editing makes it effortless to slow down MP3 files without compromising quality. Perfect for transcriptions, language learning, or detailed analysis, this feature ensures you achieve precise control over playback speed, enhancing your audio experience with just a few clicks.

More than a Slow Down MP3 Tool

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 MP3 files seamlessly, ensuring precise control over each audio layer.
Studio Sound
Enhance your slowed-down MP3s with Descript's Studio Sound, ensuring crystal-clear audio quality for an optimal listening experience.
Transcription
Transcription in Descript allows you to convert audio to text, making it easier to slow down MP3 files for detailed analysis.
Filler word removal
Effortlessly remove filler words from your MP3s, ensuring a smooth and professional listening experience with Descript's advanced tool.

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

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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 MP3 tool support besides MP3?
Besides MP3, the Slow Down MP3 tool supports various audio formats including WAV, AAC, and FLAC. This ensures users can work with a wide range of audio files, making it versatile for different needs and preferences.
Can I adjust the speed incrementally or only in preset values with the Slow Down MP3 tool?
With the Slow Down MP3 tool, you can adjust the speed incrementally, allowing for precise control over playback. This flexibility ensures you can find the perfect tempo for your needs, rather than being limited to preset values.
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, while paid options include the Creator plan at $12/month and the Pro plan at $24/month. Teams can opt for customized plans based on their specific needs.
Does Descript provide 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 manage and collaborate on audio projects together.