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Supports: XVID
Xvid is an open-source MPEG-4 Advanced Simple Profile (ASP) video codec — the project forked from OpenDivX in 2001 and is published under the GNU GPL. Through the 2000s it was the dominant codec for fan-distributed video: DVD rips, scene releases, camcorder exports, and home-burned video CDs were almost all Xvid-in-AVI files with MP3 or AC3 audio inside. Pulling the audio out as MP3 is the most universal way to listen to that content on anything modern. Common reasons to convert:
If your file actually has an .avi extension instead of .xvid, use AVI to MP3 — it accepts any AVI file regardless of the inner video codec. For DivX-tagged files, see DivX to MP3.
| Property | Xvid (source) | MP3 (output) |
|---|---|---|
| Type | Video codec (MPEG-4 ASP) | Audio codec (MPEG-1/2 Audio Layer III) |
| Released | 2001 (forked from OpenDivX) | 1993 (Fraunhofer / ISO MPEG-1) |
| License | GNU GPL, open-source | Patents expired 2017, royalty-free |
| Carries video | Yes | No — audio only |
| Typical container | .avi (also .mkv, .mp4) | .mp3 standalone |
| Audio inside | Usually MP3 or AC3 | N/A |
| Typical file size | 350 MB - 1.5 GB per movie | 30-90 MB for the same audio |
| Universal device support | Limited — needs codec on iOS, macOS, modern smart TVs | Plays on virtually every device made since 1998 |
| Bitrate | File size (per minute) | Best for | Audible vs source |
|---|---|---|---|
| 64 kbps mono | ~0.5 MB | Audiobooks, lectures, voice memos | Speech transparent |
| 96 kbps stereo | ~0.7 MB | Talk radio, podcasts | Mostly transparent for speech |
| 128 kbps stereo | ~1 MB | Casual music, default | Standard quality |
| 192 kbps stereo | ~1.4 MB | General music, matches typical Xvid AVI source | Mostly transparent |
| 256 kbps stereo | ~1.9 MB | Quality music distribution | Effectively transparent |
| 320 kbps stereo | ~2.4 MB | Maximum MP3 quality | Audibly identical for most listeners |
Xvid AVIs from the 2000s typically carry MP3 audio at 128-192 kbps or AC3 at 192-448 kbps. Match or exceed the source: extract at 192 kbps if the original was MP3 128 kbps, or at 256-320 kbps if the source was AC3, to avoid stacking lossy compressions. For dialogue-only or lecture content, 96-128 kbps mono is plenty and produces a much smaller file.
Audio quality depends on what was inside the Xvid file. If the source audio was already MP3 (very common), you're re-encoding lossy-to-lossy and will lose a small amount of fidelity at lower bitrates — extract at 256-320 kbps to make this loss inaudible. If the source was AC3, expect a more noticeable difference because AC3 and MP3 use different psychoacoustic models. For a true 1:1 archive, convert to Xvid to WAV instead — WAV is uncompressed PCM and adds no further loss.
Yes. Use the Trim section to enter a Start Time and Duration. Both fields accept seconds (12.5) or HH:MM:SS.sss format (00:01:30.500). This is useful for grabbing one song from a concert AVI, the dialogue from a single scene, or the few minutes of lecture content you actually need without re-encoding the entire file.
Variable Bitrate (VBR) generally produces better quality at the same average file size — the encoder spends more bits on complex music passages and fewer on silence. The MP3 VBR ranges (45-85 kbps low through 220-260 kbps high) give predictable quality bands. Pick Constant Bitrate (CBR) only if a downstream device or streaming setup specifically requires a fixed bitrate; otherwise VBR at the 170-210 kbps band is the sensible default for music.
This page accepts files with the .xvid extension specifically. If your file has the standard .avi extension — which is by far the most common case for Xvid videos — use AVI to MP3 instead. That tool reads the Xvid stream inside the AVI container without you needing to know which video codec was used.
For music, keep the Audio Sample Rate at 44100 Hz (CD quality) or 48000 Hz (matches most Xvid AVI sources). For voice-only material — lectures, sermons, audiobooks — 22050 Hz or 16000 Hz mono is enough and trims file size further. If unsure, leave both Audio Channel and Audio Sample Rate at "Original" and the converter inherits whatever the source AVI used.
Yes. Drop in multiple files at once and each converts in parallel within your browser session. Output downloads as individual MP3 files or as a single ZIP — useful for archiving an entire Xvid-encoded TV season, a folder of recorded conference talks, or a stack of fan-rip movie soundtracks in one pass.
No. MP3 is an audio-only format, so the video stream is discarded during conversion. Only the audio track is decoded and re-encoded as MP3. If you want to keep the video, run a separate conversion to a video output — for example Xvid to MP4 — and pull the audio out separately.
Modern devices and streaming platforms standardised on H.264 (MP4 container) for compatibility and H.265 / AV1 for efficiency. Xvid stayed locked to MPEG-4 ASP and never added native iOS or modern smart-TV support without third-party codecs. Most fan-distributed video has migrated to MKV with H.264 or H.265 video. The Xvid AVIs that remain are primarily personal archives — and pulling the audio out as MP3 is the most reliable way to keep that content listenable on current hardware.