WebM to XviD Converter

How to Convert WebM to Xvid Online

1. Upload Your WebM File: Drag and drop, paste a URL, or click "+ Add Files" to select WebM clips from your device. Batch upload works — queue several files and convert them in one pass.
2. Pick Quality Preset or Bitrate: Open Advanced Options and choose a Quality Preset (Very High is the default; drop to High or Medium to shrink the file). For tighter control, switch to Constant Bitrate (target 1,000–1,700 kbps for SD AVI, up to 4,000 kbps for HD) or set a Specific file size in MB and let the encoder auto-scale to hit it.
3. Set Resolution and Trim (Optional): Use Preset Resolutions (480p, 576p, 720p, 1080p) or enter a custom Width × Height. For DivX-certified DVD players, stay at or below 720×576. Trim with Time Range if you only need a clip from the original WebM.
4. Convert and Download: Click "Convert" to start the transcode. Files process in your browser session — no sign-up, no watermarks, no queue waits.

Why Convert WebM to Xvid?

WebM is Google's open web container — VP8, VP9, or AV1 video with Vorbis or Opus audio. It plays everywhere on the modern web but nowhere on legacy hardware. Xvid is an open-source MPEG-4 Part 2 Advanced Simple Profile (ASP) encoder, typically wrapped in an AVI container, and it remains the lingua franca for set-top boxes, car head units, and standalone DVD players from the 2000s and early 2010s. Converting WebM to Xvid is the bridge between a browser-native source and hardware that predates HTML5 video.

• DivX/Xvid-certified DVD players — Hundreds of models from Philips, Sony, Panasonic, and LG shipped between 2005-2012 with DivX certification, which also covers Xvid AVI files in most cases. Burn the converted .avi to a data DVD-R and the player reads it straight off the disc.
• Car infotainment USB ports — Pre-2015 vehicles with USB media input often read AVI/Xvid but not WebM, MP4, or HEVC. Convert WebM-sourced dashcam clips or YouTube downloads so they play on the head unit during long drives.
• Older smart TVs and media streamers — WD TV Live, early Roku boxes, and 2008-era Samsung/LG TVs handle Xvid AVI via USB but reject VP9-in-WebM entirely.
• Long-term archival — Xvid's MPEG-4 ASP spec was finalized in 2004 and any FFmpeg build from the last 20 years can decode it. WebM/AV1 decoders were not widespread before 2020 and won't be guaranteed in offline tools 20 years from now.
• Education kiosks and embedded players — School and museum playback boxes often run lightweight Linux with libavcodec MPEG-4 decoders but no VP9. Xvid AVI keeps the kiosk firmware simple.
• Re-distribution to retro communities — Anime fansub archives, scene release groups, and demoscene collections still standardize on Xvid AVI for compatibility with the widest base of viewer hardware.

WebM vs Xvid (AVI) — Format Comparison

Xvid Bitrate Quick Guide

Frequently Asked Questions

Why does my converted Xvid AVI file refuse to play on my DVD player?

Most DivX-certified DVD players reject streams above 2,000 kbps, resolutions above 720×576, files larger than 2 GB, or AVIs that use Xvid's QPel (quarter-pixel motion) or GMC (global motion compensation) features. Re-encode at 1,200–1,500 kbps, 720×480 (NTSC) or 720×576 (PAL), keep the file under 2 GB, and disable advanced ASP tools. Standard Xvid presets in this tool already avoid QPel/GMC by default.

Should I use Xvid AVI or MP4 (H.264) for my old DVD player?

Check the front of the player for a DivX or DivX HD logo — that almost always means Xvid AVI works too. H.264 in MP4 only plays on players sold roughly 2010 onward with "MP4" or "H.264" listed in the manual. Pre-2010 DVD players overwhelmingly support Xvid AVI but not H.264. If your player works with MP4, use WebM to MP4 instead — H.264 gives better quality per byte than Xvid.

Will the AVI play in VLC, Windows Media Player, or QuickTime?

VLC plays Xvid AVI natively on every platform (Windows, macOS, Linux, iOS, Android). Windows 10/11 Movies & TV and Windows Media Player play Xvid AVI on most systems but may need the Xvid codec or "HEVC Video Extensions" companion. QuickTime on macOS does not play Xvid by default — install VLC or Perian (older macOS) instead.

Why is Xvid in an AVI container and not MKV or MP4?

Xvid streams are technically valid inside MKV or MP4, but the legacy hardware ecosystem standardized on AVI. DVD players, car stereos, and 2000s-era media boxes scan for .avi extensions and the Microsoft RIFF header — drop the same Xvid stream into an MKV and most of them will not even list the file. AVI is what the certification spec assumes.

Will I lose quality converting from WebM (VP9/AV1) to Xvid?

Yes. Xvid (MPEG-4 ASP, 2001-era design) is roughly 40–50% less efficient than VP9 and 50–60% less efficient than AV1 at equal visual quality. To approximate the perceived quality of a 1.5 Mbps VP9 file you usually need 2.5–3 Mbps in Xvid. Pick a higher target bitrate or use the Very High preset to minimize visible degradation, and accept that this is a one-way trip — re-encoding back to VP9 will not recover the lost detail.

What audio codec should the AVI use?

Most legacy AVI hardware expects MP3 (LAME) at 128–192 kbps stereo — that is the safest default and what this tool produces. AC3 (Dolby Digital) is supported on DivX Home Theater Profile players (look for the "DivX HD" or "DivX Plus" logo) and gives better 5.1 surround. Avoid AAC inside AVI: many old players display the video but play no sound. The source WebM's Opus or Vorbis audio is always re-encoded since neither plays in legacy AVI workflows.

Are Xvid and DivX the same thing?

They are close cousins, not identical. Both implement MPEG-4 Part 2 ASP, and a player certified for one usually plays the other, but they are separate codebases: DivX is proprietary (DivX, LLC), and Xvid is GPL open-source — Xvid started in 2001 as a community fork of OpenDivX after DivX, LLC closed the source. Streams are bit-compatible in practice. If your target device specifically requires DivX, use WebM to DivX instead.

Is Xvid still being developed?

The last stable Xvid release (1.3.7) shipped in December 2019, and the project is effectively dormant. That said, Xvid's decoder is baked into FFmpeg, libavcodec, VLC, and every DivX-certified hardware decoder ever shipped, so playback support is universal and frozen — it is not going anywhere. For new encoding work where compatibility allows, H.264 or H.265 give noticeably better quality per byte; convert to WebM to MP4 instead. Pick Xvid only when the target hardware demands it.

Can I convert back later if I need WebM again?

Yes — once you have an Xvid AVI, you can re-encode it back with Xvid to MP4 or any modern format. Just be aware that re-encoding a lossy Xvid file to another lossy codec compounds quality loss. If you still have the original WebM, keep it as your master and re-export from the source rather than transcoding the Xvid.