1080 × 1920 pixels, 9:16, cropped to 3:4 on your profile grid. Check a cover, see what the grid cuts, export it at size. Free, no login.
The same as the video: 1080 × 1920 at 9:16. TikTok lets you pick a frame from the video or upload an image as the cover.
The profile grid shows covers as 3:4 tiles, cutting off the top and bottom of the 9:16 frame. Keep the subject and any title text in the middle — the checker draws the grid crop.
Yes, in the app's cover editor or on the image before you upload. Keep it inside the grid crop and clear of the caption area at the bottom, so it reads both in the feed and on your profile.
No. Everything runs in your browser. Nothing is sent to Hookova.
Yes — edit the video's cover from the post's menu. The grid updates, and the feed shows the new cover as the first frame before the video plays.
TikTok Safe ZoneDrop a TikTok or a frame and scrub through it with TikTok's overlays drawn on top — caption, sound, buttons.
TikTok Video SizeThe 1080×1920 TikTok spec with the caption, buttons and safe area drawn on — check a frame or download the template.
YouTube Thumbnail SizeThe 1280×720 thumbnail spec — check your image, see where the duration badge lands, export it at size.
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