Checked against the source
Twitch offline screen size
Short answer
This site uses 1920 × 1080 pixels (16:9) for a Twitch offline screen. The Twitch help pages we could read gave no offline screen size, so it is a working size.
Key takeaways
- 1920 × 1080 is the shape of the video player, so a 16:9 photo fills it without a crop (computed).
- We found no official Twitch page stating an offline screen size.
- A 4:3 photo keeps 75% of its area in 16:9 and a square keeps 56% (computed).
- Across our six test pictures the 1920 × 1080 result was 274 KB to 567 KB as a JPG at quality 0.92.
The size
| What | Value |
|---|---|
| Width | 1920 px |
| Height | 1080 px |
| Aspect ratio | 16:9 |
Reported by third parties
Reported by third parties; The Twitch help pages we fetched on 2026-10-07 gave no offline screen size.
| What | Reported value | Source |
|---|---|---|
| Video player banner, 16:9 | 1200 x 480 px | SZS |
| Vertical stream canvas | 1080 x 1920 px | SZET |
Source keys: SZS = SocialSizes.io: platform image size database (2026-10-07), SZET = SocialEZ: TikTok image sizes 2026 (2026-10-29)
Resize it now
Scales and center-crops any image to exactly 1920 x 1080 px, in your browser. Nothing is uploaded, there is no file size cap and no daily limit.
Batch is unlimited and free - every image is processed on your device, so there is no queue and no daily cap.
What a 1920 × 1080 frame does to common photo shapes
The frame is 16:9. A photo of another shape is scaled until it covers the frame and the excess is cut from the center, which is what the resizer on this page does. This is computed from the shapes.
| Photo shape | Share of the photo kept | What is cut |
|---|---|---|
| 16:9 (1920 × 1080) | 100% | Nothing |
| 3:2 (3000 × 2000) | 84% | The top and bottom |
| 4:3 (4000 × 3000) | 75% | The top and bottom |
| 1:1 (2000 × 2000) | 56% | The top and bottom |
| 4:5 (1080 × 1350) | 45% | The top and bottom |
| 9:16 (1080 × 1920) | 32% | The top and bottom |
Computed.
Measured: six pictures through the resizer
The resizer on this page was run in headless Chromium on six test pictures (public domain NASA scans, a PNG graphic and two small pictures made from them): each is scaled to cover 1920 × 1080, drawn on a white background and saved as a JPG at quality 0.92. SSIM compares each result with a Lanczos crop of the same picture made by ffmpeg (1.0 would be identical); it is blank when the frame has an odd side, which ffmpeg's check cannot compare. Other browsers use their own encoders, so sizes can differ.
| Picture | Pixels | Scale | Result | Time | SSIM |
|---|---|---|---|---|---|
| Photo, nearly square | 3840 × 3877 | 0.50× | 567 KB | 29 ms | 0.91 |
| Portrait | 2122 × 2644 | 0.90× | 371 KB | 26 ms | 0.97 |
| Wide document scan | 3827 × 1588 | 0.68× | 497 KB | 28 ms | 0.92 |
| Square PNG graphic | 5380 × 5432 | 0.36× | 444 KB | 26 ms | 0.91 |
| Small portrait (1060 px) | 1060 × 1320 | 1.81× (enlarged) | 274 KB | 25 ms | 0.97 |
| Small landscape (640 px) | 640 × 480 | 3.00× (enlarged) | 318 KB | 25 ms | 0.97 |
A scale above 1 enlarges the picture to fill the frame; enlarging adds no detail, so start from a file at least as large as the frame.
Detail decides the file size (measured)
The same frame holds 2.07 megapixels whatever the picture, but the JPG size follows the detail in it. Bits per pixel is the file size in bits divided by the number of pixels in the frame.
| Picture | Result | Bits per pixel |
|---|---|---|
| Photo, nearly square | 567 KB | 2.19 |
| Portrait | 371 KB | 1.43 |
| Wide document scan | 497 KB | 1.92 |
| Square PNG graphic | 444 KB | 1.71 |
| Small portrait (1060 px) | 274 KB | 1.06 |
| Small landscape (640 px) | 318 KB | 1.23 |
Smooth areas and flat color compress to a fraction of what fine detail needs; a photograph full of texture is the expensive case. If a size limit matters, check your own picture, not an average.
Using the Twitch offline screen size
- Start from a file at least 1920 × 1080 pixels so nothing is enlarged.
- Keep faces, logos and text away from the edges; every crop above cuts the edges.
- Check the platform's own page before you rely on a figure; sizes change.
- The resizer above does the crop and the JPG in your browser; nothing is uploaded.
Frequently asked questions
What size is a Twitch offline screen?
We use 1920 × 1080 px (16:9); Twitch's help pages gave no size.
How much of a 16:9 photo is kept in 1920 × 1080?
100% of its area (computed).
What is the aspect ratio of 1920 × 1080?
16:9, 2.07 megapixels.
How big will the file be?
Our six test pictures came out between 274 KB and 567 KB as JPGs at quality 0.92; detailed photographs are the large end.
Is my picture uploaded?
No. The resizer runs in your browser.
Other Twitch sizes
Sources
- Wikimedia Commons: Buzz salutes the U.S. Flag (NASA, public domain), one of the test pictures (checked 2026-10-10)
- MDN: HTMLCanvasElement.toBlob() (JPEG quality) (checked 2026-10-10)
No official Twitch page for this size could be read on 2026-10-10.