Convert WEBM to MP3 online in seconds — free, with no sign-up. MP3 is lossy and ideal for music, podcasts and sharing where compatibility matters most. Your files are encrypted and deleted automatically after 24 hours.
WEBM
WebM — A royalty-free web video format (VP8/VP9) that's smaller than H.264 at equal quality.
MP3
MP3 audio — The most compatible lossy audio format — small files that play on every device.
How to convert WEBM to MP3
- 1Upload your WEBM file
Click “Choose a file” or drag and drop your WEBM file onto the page — no sign-up or email needed.
- 2Convert to MP3
MP3 is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your MP3 file
Your MP3 file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
WEBM vs MP3
| WEBM | MP3 | |
|---|---|---|
| Full name | WebM | MP3 audio |
| Type | Video | Audio |
| Compression | Lossy | Lossy |
| Best for | efficient web video in Chrome, Firefox and Edge | music, podcasts and sharing where compatibility matters most |
Frequently asked questions
Does converting WEBM to MP3 lose quality?
Both WEBM and MP3 use compression, so re-encoding discards a little more data. For a single conversion the change is imperceptible to the ear; just avoid repeatedly re-converting the same file.
What's the difference between WEBM and MP3?
WebM (WEBM) is lossy and best for efficient web video in Chrome, Firefox and Edge. MP3 audio (MP3) is lossy and best for music, podcasts and sharing where compatibility matters most. Convert WEBM to MP3 when you need a audio for music.
Is the WEBM to MP3 converter free?
Yes — converting WEBM to MP3 is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my WEBM files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert WEBM to MP3 on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert WEBM to MP3?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert WEBM files to?
Besides MP3, you can convert WEBM to AAC, AVI, FLAC, FLV, GIF, JPG and more — see the full list of WEBM conversions below.
Other conversions
Last updated July 2026