Social Media Image Sizes 2026 — What Changed and What Stayed the Same

The 2026 social media image spec sheet looks almost identical to 2025 — but with three meaningful exceptions. Here's what actually moved this year, what stayed the same, and the dimensions you should be exporting at today.

What stayed the same

Instagram, LinkedIn, YouTube, and Facebook all kept their core in-feed image dimensions. 1080×1080 square, 1080×1350 portrait, 1080×1920 vertical, 1200×630 link previews, and 1280×720 YouTube thumbnails are still the right answers.

What changed

TikTok bumped its image-post max file size to 20 MB, up from 12 MB last year — helpful if you're posting carousel-style high-resolution stills. Threads quietly adopted Instagram's 4:5 portrait as the highest-reach feed format, and LinkedIn's mobile banner safe zone shrank by another ~40 pixels, which means more banners are getting their edges cropped on phones than last year.

The takeaway

If you built a 2025 template library, 95% of it still works. Re-export your LinkedIn personal banners with tighter center alignment, and you're done.

For the full reference, see our 2026 social media image sizes guide.

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