Video resolution checker
Drop a video to see its exact resolution, the quality label YouTube gives it, its shape and any rotation flag, and how it fits YouTube, Shorts, TikTok and Instagram Reels. The file never leaves your device.
- Free, no sign-up
- Your file stays on your device
- Platform rules checked November 10, 2026
Drop a video file
MP4, MOV, WebM and MKV are read from the file, phone clips and camera originals included. Your file stays on your device.
Reading your file…
Read on your device. Nothing is uploaded.Example: one of our vertical edits, as it plays on our site.
Resolution and where it fits
The file
Video resolutions by name
| Name | Horizontal (16:9) | Vertical (9:16) |
|---|---|---|
| 4320p 8K | 7,680 × 4,320 | 4,320 × 7,680 |
| 2160p 4K | 3,840 × 2,160 | 2,160 × 3,840 |
| 1440p 2K | 2,560 × 1,440 | 1,440 × 2,560 |
| 1080p HD | 1,920 × 1,080 | 1,080 × 1,920 |
| 720p HD | 1,280 × 720 | 720 × 1,280 |
| 480p SD | 854 × 480 | 480 × 854 |
| 360p SD | 640 × 360 | 360 × 640 |
| 240p SD | 426 × 240 | 240 × 426 |
Sources: YouTube Help: Video resolution & aspect ratios; the TikTok and Instagram limits the checker applies from TikTok for Developers: Content Posting API, media transfer guide and Instagram Help Center: Reel size & aspect ratios on Instagram, read November 10, 2026.
How YouTube labels vertical video
YouTube's quality menu names a video by its shorter side. We read the formats YouTube serves for a 1080 × 1920 Short on November 10, 2026: 1080 × 1920 is labelled 1080p, 720 × 1280 is 720p, and 608 × 1080, which sits between the standard sizes, is 480p. So a vertical edit exported at 1080 × 1920 plays as 1080p, and one exported at an odd size takes the next label down.
When the numbers don't match
Phones often store the frame sideways and add a rotation flag that tells players to turn it, so a vertical clip can be stored as 1920 × 1080. Players and YouTube follow the flag; some editors and older apps don't, and show it sideways. Camera and broadcast footage can also use non-square pixels, stretched when shown. The checker reports both the size a video plays at and the size it's stored at. For the full export settings, the video bitrate checker checks bitrate, codec and color against YouTube's recommendations, and the aspect ratio calculator works out any other size.
Embed this checker
Teachers, bloggers and course creators can put this video resolution checker on their own page for free. Paste the code below into your page's HTML. It loads from markstudios.com, so it stays current when we update the numbers.
Questions, answered.
Anything else? Message Mark and you'll get a written reply within one business day.
How do I check a video’s resolution?
Drop it in the checker above. On Windows, right-click the file, choose Properties, then Details: Frame width and Frame height are the resolution. On a Mac, select it in Finder and choose Get Info; the Dimensions line under More Info shows it.
Is 1080 × 1920 the same as 1080p?
Yes. YouTube labels quality by the shorter side, so a 1080 × 1920 vertical video plays as 1080p, the same label as a 1920 × 1080 horizontal one. We read it from the formats YouTube serves for a 1080 × 1920 Short on November 10, 2026.
What resolution should I upload to YouTube?
The size you edited at, in the shape you edited. YouTube’s recommended 16:9 sizes run from 426 × 240 to 7680 × 4320, and its player adapts to other shapes, so don’t add black bars to make a video 16:9.
Why does my video show different dimensions in another app?
Phones often save the frame sideways with a rotation flag that tells players how to turn it. The checker shows both: the size it plays at and the size it is stored at. An app that ignores the flag shows the video sideways.
What resolution do TikTok and Instagram Reels need?
TikTok’s developer guide accepts 360 to 4,096 pixels on each side, and its ad specs recommend at least 540 × 960 for vertical video. Instagram Help asks for at least 720 pixels; tools that post through Meta’s API accept at most 1,920 pixels wide.
Is my video uploaded anywhere?
No. The checker reads the file in your browser and nothing leaves your device.
Rather have it edited for you?
Send the footage, and the edit comes back in the size, frame rate and length each platform wants, and you work directly with Mark.
- Founder-led US company
- NDAs by default
- Stripe & PayPal payments
- Top Rated on Fiverr