TikTok image size limit: 21 MB
TikTok accepts image files up to 21 MB (verified August 4, 2026).
A platform limit, not a working scheduler
The recorded value
The largest still image file TikTok accepts through its official API, read from the same generated dataset the preflight checker measures a file against.
- Image size limit
- 21 MB
Official platform documentation Researched August 4, 2026
Check a real post against it
The preflight checker measures a draft and a media file against every limit recorded for a platform, in the browser, without uploading anything. Opening it from this page preselects this platform.
How current this is
A platform can raise or lower a limit without announcing it. The value above is read for a freshly connected account with no elevated eligibility, and the date beside the source is the day a person last read that document.
Everything else recorded for this platform
The other values in the same generated dataset, sourced the same way.
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