Does X (Twitter) support GIF files?
a looping, audio-free image format that can play inline where animated images are supported
Yes - X documents direct animated GIF attachments.
X's photo and GIF help page allows animated GIFs up to 5 MB on mobile or 15 MB on web. A GIF attachment and the searchable GIF library are separate ways to add one. GIF carries no sound; convert it to a video if you need to add an audio track.
Source: X: Post photos or GIFs. Native animated GIF attachments. Checked 2026-09-12.
Frequently asked
Does X (Twitter) support GIF?
Yes - X documents direct animated GIF attachments. X's photo and GIF help page allows animated GIFs up to 5 MB on mobile or 15 MB on web. A GIF attachment and the searchable GIF library are separate ways to add one. GIF carries no sound; convert it to a video if you need to add an audio track.
How do I check whether my GIF file will upload cleanly to X (Twitter)?
Open the Koldflux File Doctor, drop in the file, and pick X (Twitter). It reads the container, codec, resolution, duration and file size locally and reports pass / warn / fail against the documented X (Twitter) constraints.