Convert AVI to MP4 online with Vimeo

Upload your AVI file to Vimeo and it comes back as a streamable MP4 with H.264 video, AAC audio, adaptive bitrate, and an ad-free player. No desktop converter, no Xvid codec pack, no format compatibility warnings when you try to open a 2007-vintage clip on a modern browser or phone.
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Why AVI files break in every modern workflow

  • AVI is a 1990s container

    AVI was designed by Microsoft in the Video for Windows era. Modern browsers, mobile phones, and connected TVs expect MP4 with H.264. Your AVI won't play in a browser tab, an iPhone, or a Slack preview without conversion.

  • Xvid, DivX, and codec-pack hell

    Old AVI files use Xvid or DivX video streams that require a codec pack Windows Media Player never shipped with by default. Even if your laptop can play the file, nobody else's can without matching your setup.

  • Desktop converters lock you to one machine

    HandBrake, VLC, and FFmpeg convert AVI locally but tie the output to the machine that ran the export. Now you've got an MP4 on one laptop that still needs uploading, sharing, and hosting somewhere everyone can reach it.

AVI hangs around in old archives: camcorder footage from a decade ago, screen captures from legacy Camtasia, training videos ripped off internal DVDs, family video digitized from tape. Each one needs to move to MP4 to play in a modern browser or phone. Doing that in a desktop converter solves the format problem but leaves you with a file that still needs a home. Vimeo converts and hosts in one step, so the finished MP4 has a URL, a player, and a caption track from the moment it lands.

Upload the AVI, get a streamable MP4 back

Drag your AVI file into Vimeo and the platform transcodes it to MP4 with H.264 video and AAC audio, the codec pair every modern browser, phone, and connected TV plays natively. Adaptive bitrate streaming delivers up to 8K when the source resolution supports it, and the ad-free Vimeo player embeds anywhere you need it: a website, an intranet page, an LMS, or a share link.
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H.264 plus AAC output

The transcoded MP4 uses H.264 video and AAC audio, the format combination that plays natively in Chrome, Safari, Edge, Firefox, iOS, Android, and every modern smart TV without a codec pack.

Adaptive bitrate streaming

Vimeo generates multiple renditions from your AVI source and serves the right one to each viewer based on bandwidth, up to 8K HDR when the source supports it. Old low-res AVI plays fine on mobile.

Ad-free player, always

Vimeo's player runs ad-free on every plan. No pre-roll before your converted MP4, no mid-roll banners, no algorithmic recommendations pulling viewers away from the content you converted.

Download the compressed MP4

If you need a local MP4 file too, download the compressed version from your workspace. One converted output serves both streaming (the Vimeo URL) and offline use (the file on disk) from the same upload.

What comes with an AVI-to-MP4 conversion on Vimeo

Auto-captions in 99 languages run on paid uploads, so the converted MP4 also gets a caption track, which is particularly useful for archived AVI content that needs accessibility for the first time. Text-based editing lets you trim silence, remove dead air, and cut segments by editing the transcript. Old footage that was locked in a legacy container becomes searchable, shareable content.
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Auto-captions in 99 languages

Every paid upload gets auto-captions with an editable transcript. Legacy AVI archives finally get the accessibility layer they were missing when they were first recorded.

Text-based editing

Trim the converted MP4 by editing the transcript. Delete a section, cut a long pause, or remove filler by editing text and the video updates to match. No desktop editor required.

Stable share URL

The converted MP4 lives at a Vimeo URL you can send anywhere. Replace the source later without breaking the link, so the archive stays organized as content gets updated.

Privacy controls

Set the converted MP4 to public, unlisted, password-protected, or private. Archived training content, internal footage, and family video get the privacy level that matches the audience.

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Why converting AVI to MP4 on Vimeo beats a desktop tool alone

A desktop converter solves the codec problem, but the output file still needs a host, a player, a share link, and captions for anyone else to use it. Vimeo handles all of that in the same upload: MP4 transcoding, adaptive streaming, ad-free playback, auto-captions in 99 languages, and a stable URL. One flow replaces four or five separate tools for archive digitization projects.

  • Plays on every device

    The MP4 output plays natively in every modern browser, iOS, Android, and smart TV. No codec pack, no player app, no compatibility notes for the recipients of your converted video.

  • Ad-free playback

    Vimeo's player is ad-free on every plan. Converted AVI archives play cleanly for viewers with no pre-roll or interruption.

  • Adaptive bitrate up to 8K

    The transcode produces renditions the player picks between based on bandwidth. Even a small AVI benefits from smooth mobile playback.

  • Auto-captions included

    Every paid upload gets auto-captions in 99 languages. Legacy AVI files become accessible content without a separate captioning vendor cycle.

  • Replace files, keep URLs

    If you re-scan or re-digitize an AVI source and get a better master, replace the file in Vimeo without changing the URL. Existing embeds and links stay intact.

  • Folder organization for archives

    Group converted AVI files by year, project, or source in Vimeo folders and subfolders. Digitization projects stay organized as the archive grows.

  • Privacy that matches the source

    Set converted archives to public, unlisted, password-protected, or private. Old training videos stay internal; family archives stay shared with the right people.

  • No install, no codec packs

    The conversion happens in the browser during upload. No HandBrake install, no Xvid codec pack, no FFmpeg command line. Any modern browser handles the upload.

  • Stable share links

    The converted MP4 gets a Vimeo URL that works everywhere: email, Slack, an intranet, an LMS. No file attachments, no download-and-open cycle for viewers.

How to convert AVI to MP4 with Vimeo

Uploading an AVI file to Vimeo automatically converts it to a streamable MP4 with H.264 and AAC. Here's the flow from source file to shareable link.

  1. Step 1

    Sign in to Vimeo and click Upload from your workspace. Drag your AVI file into the upload panel or select it from your file browser.

  2. Step 2

    Vimeo transcodes the AVI to MP4 with H.264 video and AAC audio during the upload. Multiple resolution renditions generate for adaptive streaming.

  3. Step 3

    Set the privacy level (public, unlisted, password, or private), pick a thumbnail, and review the auto-generated caption track on paid plans.

  4. Step 4

    Optionally trim the converted MP4 with the text-based editor by deleting sections of the transcript. The video updates to match.

  5. Step 5

    Share via link, iframe embed, or download the compressed MP4 file for offline use. The same upload serves both streaming and file delivery.
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Find the right plan for you

    Vimeo offers discounts to US-based non-profit organizations and educational institutions. Learn more.

    For more information on feature availability, please reference our pricing page.

    Frequently asked questions about converting AVI to MP4 with Vimeo

    Yes. Vimeo's Free plan converts AVI to MP4 as part of the upload flow with 1 GB total storage. Paid plans (starting at Starter) add unlimited storage tiers, auto-captions in 99 languages, text-based editing, and remove the watermark from embeds for professional use.

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