Does YouTube Shorts support AVI files?
an older Windows container still produced by some capture and screen-recording tools
Yes - AVI is listed among YouTube supported upload formats.
YouTube accepts AVI for video uploads. The legacy warning about HQ encoding appears in documentation for music-label and distributor partners, not the general Shorts upload requirements. Keep the highest-quality original; converting an accepted AVI to MP4 does not automatically improve its quality.
Source: YouTube supported file formats. YouTube video uploads; Shorts also requires an eligible shape and duration. Checked 2026-09-12.
Frequently asked
Does YouTube Shorts support AVI?
Yes - AVI is listed among YouTube supported upload formats. YouTube accepts AVI for video uploads. The legacy warning about HQ encoding appears in documentation for music-label and distributor partners, not the general Shorts upload requirements. Keep the highest-quality original; converting an accepted AVI to MP4 does not automatically improve its quality.
How do I check whether my AVI file will upload cleanly to YouTube Shorts?
Open the Koldflux File Doctor, drop in the file, and pick YouTube Shorts. It reads the container, codec, resolution, duration and file size locally and reports pass / warn / fail against the documented YouTube Shorts constraints.