GenPixyOur vertical whiteboard video maker fills the whole phone screen but leaves space for the app's own buttons. Type a topic and choose Portrait. Then post that one file on TikTok, and on Instagram Reels and YouTube Shorts as well.
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Portrait 9:16
Vertical whiteboard videos for TikTok, Reels and Shorts
Real output
What vertical looks like
Made for a feed, not a TV
How long should a vertical video be?
Our take? Keep it to 30 seconds or a minute for most feeds. Ask one thing, answer it, get out before the scroll. Shorts are a bit more forgiving and let you go to 3 minutes, so that 2-minute recap of yesterday's lesson is still a Short. You can set vertical videos to 30 seconds, 1, 1.5, 2 or 3 minutes in GenPixy AI, and stretch past that whenever a topic needs the room.
Whiteboard is the calmer pick and suits facts and study topics. Color Board moves quicker, all bold colors and pop-in icons, so it fits trends and quick tips. Can't decide? Make one, hit Try again with the other look, and post both.
Vertical video questions
Tall ones! 9:16, in 720p or 1080p. Pick 1080p and you're at 1080 × 1920, the exact size TikTok and Reels want, Shorts too.
Simple. Tap Try again on the finished video, flip it to Landscape, done. We fill your topic and settings back in so you don't retype a thing.
Yup, the very same MP4. Upload it to TikTok, then Reels, then Shorts, no resizing.
Neither one. The voice is built in, the drawings and captions too, so it suits a faceless account just fine.