---
title: "WebM to MP3 Converter — Extract Audio | Compress Pro"
description: "Extract the audio track from WebM videos and save it as MP3 — right in your browser. No upload, no sign-up, no length limits. Free and private."
canonical: https://compress-pro.com/webm-to-mp3
---

# Convert WebM to MP3.

> Pull audio out of WebM videos — straight to MP3, locally.

Extract the audio track from WebM videos as MP3 — **decoded and encoded entirely in your browser**, with no upload and no length gate. Screen recordings, browser captures and downloaded clips: drop them in, the soundtrack comes out as its own file.

**No uploads · No ads · Free & open source.**

## How it works

1. Drop files anywhere on the page, click to browse, or paste with Ctrl/⌘ + V.
2. Pick a quality or preset — or set an exact target size and let the tool find it.
3. Compress, compare before/after, and download — individually or as a ZIP.

## From screen recording to shareable audio

WebM is what browser-based recorders and most capture tools produce, and the audio inside is often the part that matters — a call, a talk, a walkthrough narration. Extraction discards the picture and re-encodes the sound to MP3, the format that plays absolutely anywhere. [MP4 to MP3](https://compress-pro.com/mp4-to-mp3) covers the MP4/MOV twin, and for editing-grade PCM instead, [MP4 to WAV](https://compress-pro.com/mp4-to-wav) extracts losslessly.

## Frequently asked questions

### Which WebM files work?

Anything your browser can play — VP8 or VP9 video with Opus or Vorbis audio. The video track is discarded; the audio is decoded and re-encoded to MP3 at the bitrate you pick.

### Is quality lost in the conversion?

One lossy encode to MP3 happens — inaudible for speech at 128 kbps and safe for music at 192 kbps and up. Pick a higher bitrate when the source matters.

### Can I get lossless audio instead?

Yes — on the audio tab choose WAV or FLAC as the output; MP3 is simply the small, plays-anywhere option this page arrives set to.

### Is it private?

Yes. The audio is decoded and re-encoded entirely in your browser — recordings never leave your device, and the server does nothing but deliver this page. Voice memos, interviews, demos: none of it is uploaded anywhere. Want proof? Run one file through, switch your connection off, and run another — it still works.

## Related tools

- [Convert MP4 to MP3](https://compress-pro.com/mp4-to-mp3)
- [Compress & Convert audio](https://compress-pro.com/compress-audio)
- [Convert WebM to MP4](https://compress-pro.com/webm-to-mp4)

---

Part of [Compress Pro](https://compress-pro.com/) — every tool page has a markdown twin at `<page url>.md`. Full tool index: [llms.txt](https://compress-pro.com/llms.txt)