Social media image sizes

The width, height, shape and file-size limit a platform expects for one place an image appears: a profile picture, a cover, a post, a thumbnail. Anything else is cropped, shrunk or recompressed by the platform. Here each comes from the platform’s own page, quoted and dated.

• Every number traced to the platform

  Each size links the help page it came from and quotes the words that set it, and a test fails if a number is missing from its quote. Platforms that publish nothing are listed as publishing nothing rather than given a number from a blog.

  30 sizes from 12 platforms’ own pages, read 8 October 2026. Instagram’s own page allows posts up to 1080 × 1440 (3:4); widely copied guides still say 1080 × 1350.

• Safe zones drawn where they are published

  Where a platform says part of the frame may be covered or cut, the zone is drawn over the crop, and the focal point is checked against it.

  Meta: keep about 14% of the top, 35% of the bottom and 6% of each side clear on Story ads. X: 60 px at the top and bottom of a 1500 × 500 header may be cropped. YouTube: a 1235 × 338 safe area on a 2048 × 1152 banner.

• Checked against the upload limit

  Each output is measured in bytes against the platform’s limit and fitted under it when needed, so the file you download is one the platform will take.

  A 3840 × 2160 YouTube thumbnail must be under 2 MB when uploaded from a phone; a Bluesky avatar or banner under 1,000,000 bytes.

1. 1

   Choose one photo

   The larger the better: a 1584 × 396 LinkedIn background or a 3840 × 2160 thumbnail cannot be made sharp from a small source.

2. 2

   Tap the subject

   Every crop is placed around that point, from a 4:1 banner to a 9:16 Story, and each card says whether it lands inside the safe zone.

3. 3

   Tick the sizes

   Grouped by platform. Six common ones are ticked to start; each shows its source and the date it was read.

4. 4

   Download them all

   Press Make once; after that the sizes are remade as you move the subject or change the ticks. Each comes out at exactly its size, under its limit, named by platform and size, and the set downloads as one .zip.

• Social media image sizes, checked against each platform's own pagesInstagram, Facebook, X, LinkedIn, YouTube, Pinterest and Bluesky image sizes from their own help pages, with safe zones, upload limits and dates.

• The Instagram Story size is Meta’s ad specification: Instagram publishes no size for an ordinary Story or profile photo.
• Platforms change these without notice. Each size carries the date it was read; check the linked page before a campaign that depends on it.