Compress MP3 Online Free | Reduce MP3 File Size Fast

How to easily compress MP3 files

01
Sign up and upload your MP3 file
Create an account with Descript and start a new project. Drag and drop your MP3 file into the workspace, and Descript will prepare it for compression right away.
02
Adjust export settings for size and quality
Once your file is processed, head to the export settings. Choose the size, format, and quality to match your goals, whether you want a crisp high bitrate or a smaller, compressed MP3 file size. Gain total control over the final product.
03
Publish and export your compressed MP3
After you pick your settings, click 'Publish' and go to the 'Export' tab. Fine-tune your export details, then click 'Export' to save the compressed MP3 file where you want. Your audio is now prepared and ready to use.

Compress MP3 Files Quickly and Efficiently

Resize, crop, and compress GIFs in seconds
Looking to resize, crop, or compress GIFs quickly? Descript helps you get there fast. Whether preparing for social media or shrinking file sizes for faster load times, Descript's easy-to-use tools deliver results in moments. Elevate your visuals without giving up quality or wasting time on edits.
Multiple ways to reduce GIF sizes
Descript offers various methods to reduce GIF sizes, providing a helpful companion to your MP3 compression goals. Whether you share tutorials or marketing content, streamlined GIFs boost load times and user engagement. Simplify your media assets without losing quality, making everything more user-friendly.
Create GIFs from images and videos
Add more variety to your projects using Descript's feature for creating GIFs from images and videos. It's a handy extension of your compress MP3 process, offering a chance to transform important moments into fun, shareable GIFs for a more dynamic experience. Keep your storytelling engaging with minimal effort.

More than an MP3 Compressor

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

Multi-track editor
Compress MP3 files easily with Descript’s multi-track editor, allowing precise control over each audio layer for a balanced final mix.
Studio Sound
Improve your compressed MP3 files with Descript’s Studio Sound, delivering clarity and a refined finish.
Transcription
Easily transcribe compressed MP3 files in Descript, converting audio to text for quick edits and seamless distribution.
Filler word removal
Quickly remove filler words from MP3 files, creating a polished and professional sound in 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

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 quality can I expect after compressing an MP3 with this tool?
You can generally expect high-caliber sound with minimal fidelity loss. The process maintains clarity and depth, making it suitable for both casual listening and professional use.
Are there any limitations on the file size or duration when using the MP3 compression feature?
Yes, files larger than 100MB or longer than 120 minutes may experience reduced performance or fail to compress effectively.
What pricing plans does Descript offer for individuals and teams?
Descript has flexible pricing for individuals and teams. Solo users can choose from Free, Creator, and Pro plans, while teams may opt for the Enterprise plan with advanced features and dedicated support. Visit the Descript Pricing page for detailed information.
Does Descript support collaboration features for team projects?
Yes. Descript supports real-time editing and commenting, allowing multiple team members to work on the same project together. This boosts productivity and keeps communication flowing.