Social Media Specs
TikTok Image Sizes and Video Specs (2026)
The TikTok specs that matter when you post: caption up to 2,200 characters, photo post up to 35 images in Markaestro, and a 1080 x 1920 (9:16) video or photo as a safe size. Every figure below comes from TikTok's own documentation, checked September 2026.
Updated
TikTok Image and Video Sizes
| Format | Size (px) | Ratio | Note |
|---|---|---|---|
| Video or photo | 1080 x 1920 | 9:16 | Markaestro suggestion within the limits. Full-screen vertical, within TikTok's 1080p photo cap. |
TikTok Text Limits
| Spec | Limit |
|---|---|
| Caption | 2,200 characters |
TikTok Image Requirements
| Spec | Limit |
|---|---|
| Formats | JPEG or WebP |
| Max file size | 20 MB per image |
| Resolution | Up to 1080p |
TikTok Video Requirements
| Spec | Limit |
|---|---|
| Formats | MP4 (recommended), WebM, MOV |
| Codec | H.264 (recommended), H.265, VP8, VP9 |
| Frame rate | 23 to 60 FPS |
| Dimensions | 360 to 4,096 px on each side |
| Length | Up to 10 minutes via the API; each account has its own cap (3, 5, or 10 minutes) |
| Max file size | 4 GB |
Multiple Images and Carousels
| Spec | Limit |
|---|---|
| Photo post | Up to 35 images in Markaestro |
How Markaestro Handles These Limits
The Markaestro composer checks TikTok posts against a 2,200-character caption limit and up to 35 media items while you write, and the media library accepts images up to 10 MB and video up to 250 MB. See scheduling TikTok posts.
Frequently Asked Questions
What size should TikTok videos be?
1080 x 1920 pixels (9:16) for a video or photo. Full-screen vertical, within TikTok's 1080p photo cap.
What is the TikTok character limit?
Caption: 2,200 characters.
How long can a TikTok video be?
Up to 10 minutes via the API; each account has its own cap (3, 5, or 10 minutes).
What is the TikTok file size limit?
4 GB.