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What is the maximum TikTok video file size?
TikTok's Content Posting API guide gives a video file size of 4 GB maximum; MP4 (recommended), WebM or MOV. Verified 2026-10-16 from the official TikTok page.
| Spec | Value | Source | Last verified |
|---|---|---|---|
| Video file size (via TikTok's Content Posting API) | 4 GB maximum; MP4 (recommended), WebM or MOV | official page | Verified |
| Max video length (via TikTok's Content Posting API) | 3 minutes for all creators (some accounts: 5 or 10 minutes) Stated in TikTok's official developer Content Posting API guide. | official page | Verified |
Quoted from TikTok's official page and dated; we don't use third-party guides. How we verify.