Free tool

Threads post sizes 2026

  • Text, up to 20 photos, or one video.
  • Every number is what sprkly checks when you post.

Updated

Sizes by post type

Text post

Size (pixels)
No media
Ratio
Not needed.
Max file
No file
Video length
Not video
Caption
500
Hashtags
1 topic tag. Extra tags post as plain text.

Photo or carousel

Size (pixels)
1080 x 1350
Ratio
Best 4:5. Almost any shape works.
Max file
sprkly upload cap: 50 MB
Video length
Not video
Caption
500
Hashtags
1 topic tag.

Video

Size (pixels)
1080 x 1920
Ratio
Best 9:16. Almost any shape works.
Max file
sprkly upload cap: 2 GB
Video length
No sprkly limit
Caption
500
Hashtags
1 topic tag.

Width x height. Links and the API take files up to 50 MB.

If your file is off

  • Threads takes almost any shape, so sprkly sends your file as it is.
  • 2 to 20 photos post as one carousel.
  • Photos mixed with a video post the first photo only.

Let sprkly check it for you

Try sprkly free for 14 days, no card. After that, the Free plan gives you 3 accounts and 10 queued posts per account.

Start freeCheck one post now

Questions

What size should my Threads post be?

Photo or carousel: 1080 x 1350. Video: 1080 x 1920. Export at these sizes and nothing gets cut.

How long can my Threads video be?

No sprkly limit on Threads video length.

How long can my Threads caption be?

500 characters. sprkly counts as you type and turns red past the limit.

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