One picture size for every network you post to

Every row comes from the network's own help or developer pages. Where a network doesn't publish a size, the row says so instead of guessing.

If you post the same picture in several places, make it 1080 x 1350. That 4:5 portrait sits inside Instagram's range of 1.91:1 to 3:4 ^[1] and LinkedIn's range of 3:1 to 4:5 ^[2], and it's the tallest shape Meta lets scheduling tools send to Instagram ^[4].

A taller picture works in the Instagram app but not on LinkedIn, which centres and crops anything past 4:5 ^[2]. A square works everywhere, but takes less of the screen.

The Postmosis carousel maker exports slides at 1080 x 1350, and the video editor exports 9:16, 4:5, 1:1 and 16:9 from one video in a single run. See the video editor

Instagram sizes photos to 1,080 pixels wide and crops anything outside 1.91:1 to 3:4 ^[1]. Reels go from 1.91:1 to 9:16 ^[5]. The full breakdown, including why 3:4 and 4:5 both exist, is in the Instagram post size guide.

LinkedIn's Help says a post photo must be at least 552 x 276 pixels and recommends 1,080 wide, in any shape from 3:1 to 4:5 ^[2]. Link images on Page posts are 1200 x 627 ^[6]. Profile photos run from 400 x 400 up, and the background photo is 1584 x 396 ^[7]. More in the LinkedIn image size guide.

Facebook publishes sizes for Page photos and link previews, not for a photo in a post. A Page profile picture should be 320 x 320 and a cover photo loads fastest at 851 x 315 ^[9]. Link images should be at least 1200 x 630, as close to 1.91:1 as you can get them ^[8].

For photos in a post, a 1080 x 1350 portrait or a 1080 x 1080 square is the safe choice: the same picture then works on Instagram as well ^[1].

TikTok's Help Centre doesn't give a size. Its developer docs take photos up to 1080p and videos from 360 to 4096 pixels on each side ^[10]. Film upright on your phone and you're inside both.

YouTube now recommends thumbnails of 3840 x 2160 for videos and 2160 x 3840 for Shorts ^[11], and a channel banner of at least 2560 x 1440 ^[12]. Older guides still say 1280 x 720.

Threads takes images from 320 to 1,440 pixels wide, up to a 10:1 shape, and recommends 9:16 for video ^[3].

The free image resizer crops or fits a photo to Instagram and LinkedIn shapes in your browser. For video, check how long yours can run in the video length guide.