Free PCM to MP3 Converter Online

Convert PCM to MP3 in 3 Steps

01
Sign Up and Log In to Descript
Create a free Descript account and log in. You get 1 free hour of transcription each month with no credit card required, so you can explore everything Descript offers upfront.
02
Create a New Project and Upload PCM File
Open a new project in Descript and upload your PCM file by simply dragging and dropping it into the project. Descript automatically processes your file in the cloud, delivering a smooth and efficient conversion.
03
Select Export Options and Save as MP3
To convert PCM to MP3, head to the top menu and select Publish. Then, choose Export followed by MP3. Finally, click Save to complete the process. This straightforward workflow keeps your audio ready for any platform.

Convert High-Quality PCM Audio to MP3 Effortlessly

Convert and edit videos all in one place
Descript streamlines your process by letting you convert PCM to MP3 and edit videos within one platform. Switch easily between audio and video work, keeping your content professional. Save time by managing everything in an intuitive workspace.
Flexible export choices
Descript offers flexible export options, so converting PCM to MP3 fits your exact needs. From professional-quality audio to smaller files for fast sharing, you can adapt exports to match your workflow.
Compress GIF, video, and audio files
In addition to converting PCM to MP3, Descript compresses GIF, video, and audio files. This helps optimize media for simpler sharing and storage while keeping performance and clarity intact.

More than a PCM to MP3 Converter

Descript is an AI-powered audio and video editor that helps you handle podcasts and videos just like editing a document.

Multi-track editor
Convert PCM to MP3 while managing multiple audio tracks in Descript’s intuitive multi-track editor.
Transcription
Transcribe audio while you convert PCM to MP3, so you get accurate text for all your recordings.
Studio Sound
Upgrade your audio quality with Descript’s Studio Sound while converting PCM to MP3, giving you a polished result.
Filler word removal
Remove filler words from your audio, giving you a smooth, professional sound while converting PCM to MP3.

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 PCM to MP3 converter support besides PCM?
Along with PCM, this PCM to MP3 converter works with WAV, AIFF, and FLAC. You can quickly convert these file types to MP3, covering multiple audio needs with a single tool.
Is there a limit on the file size when converting PCM to MP3 using this tool?
No. There’s no file size limit for converting PCM to MP3 here. Even large audio files convert with no issues.
What pricing plans does Descript offer for individual users and teams?
Descript has a range of plans for individuals and teams. Individuals can start with the free tier or upgrade to Creator and Pro. Teams can select the Enterprise plan for extra features and custom options.
Does Descript provide any collaboration features for team projects?
Yes. Descript has strong collaboration features for team projects. You can share projects, comment, and edit in real time. This setup streamlines teamwork on audio and video content.

Convert Your PCM to MP3

Convert PCM to MP3 in 3 Steps

Convert High-Quality PCM Audio to MP3 Effortlessly

More than a PCM to MP3 Converter

Surely there’s one for you

Questions? We have answers