How it works, what you get, limits
Inafanya nini
Grab a cover still at one second, or encode a couple of seconds as a short GIF.
Jinsi
Pick a video, set the second for JPEG; GIF has duration and edge caps.
Unapata nini
Cover is a still. GIF is short, few colors, large — not a full movie. Compress for the whole clip.
Chaguo na kulinganisha
Cover: timestamp. GIF: max about 5s, long edge about 480px.
JPEG for cover slots; GIF only for a two-second motion demo.
Mipaka
No WebCodecs or no video track fails. Long spans are capped. Prefer desktop.
FAQ
Whole movie as GIF?
No. GIF is about 5s and a long edge around 480. Use video compress for the clip.
Is the cover a video?
The cover is a JPEG still at one second.