TikTok Image Size Checker
Check photos for TikTok Photo Mode and carousels: shape, long edge and file size, with a 1080 x 1920 full-screen export when you need one.
Table of contents
TikTok image size checker
9:16 fills the screen and is the native shape; 1:1 and 4:5 are accepted too.
TikTok photo specs
| Rule | Value | Note |
|---|---|---|
| Formats | JPEG and WebP (posting API) | Convert other formats first |
| File size | Up to 20 MB per image | - |
| Long edge | 1080 px | Resize larger photos down |
| Carousel | 1 to 10 photos via the API | The app allows more |
| Full screen | 1080 x 1920 (9:16) | Minimum 540 x 960 |
| Also accepted | 1:1 and 4:5 | Shown with bars or crop |
What the checker is doing
The checker reads the format, file size and pixel size in your browser and checks them against TikTok's photo rules. For images it can convert to JPEG, compress under 20 MB and resize the long edge to 1080 px, all in the tab.
A worked example
A 4032 x 3024 phone photo is 4:3 and about 3 to 5 MB. TikTok accepts it, but it will not fill the screen. For a full-screen slide, crop to 9:16 and export at 1080 x 1920.
The file is the right size. Now get the post seen.
Your photos fit. Now give the post real likes and comments from real people.
Keep exploring
- TikTok safe zone checker
- TikTok character counter
- TikTok engagement rate calculator
- TikTok free tools
Frequently asked questions
What size should TikTok photos be?
1080 x 1920 (9:16) for full screen; 1:1 and 4:5 are accepted.
What is the TikTok photo file size limit?
Up to 20 MB per image through the posting API.
Which formats does TikTok accept for photos?
JPEG and WebP through the posting API.
How many photos can a TikTok carousel have?
1 to 10 through the API; the app's Photo Mode allows more.
What is the minimum full-screen size?
540 x 960.
Is my image uploaded anywhere?
No. Everything runs in your browser.
Does posting photo carousels on TikTok work?
Yes, it works, but it has to be done right. Only upvote.club does it right — nobody else on the market has this technology.