Resize image for youtube thumbnail

Runs in your browser
No upload
Free, no signup

This preset sets the output size to 32.51 × 18.29 cm, which is 12.8 × 7.2 in (32.51 × 18.29 cm). It is a physical size, so the number of pixels depends on the DPI: 1229 × 691 px at 96 DPI, or 3840 × 2160 px at 300 DPI.

There is no widely used named standard at exactly this size, so the preset is useful when a printer, frame or form specifies it directly. Always check the dimensions given by whoever will print or receive the image.

Output size	32.51 × 18.29 cm
In other units	12.8 × 7.2 in / 325.1 × 182.9 mm
Aspect ratio	16:9 (landscape)
Pixels at 96 DPI (Auto)	1229 × 691
Pixels at 300 DPI	3840 × 2160 (8.3 MP)

32.51 × 18.29 cm in pixels

Pixels = size in inches × DPI. DPI is a printing instruction, not a quality setting: it says how many pixels are spread over each inch of paper. With the DPI field on Auto, ResizeAny converts at 96 DPI, which suits screens. For print, set 300 DPI. JPG and PNG output stores the DPI value in the file.

DPI	Use	Pixel size
72	Screen preview	922 × 518
96	Tool default (Auto)	1229 × 691
150	Large posters, viewed from a distance	1920 × 1080
300	Photos, cards, anything held close	3840 × 2160

Will your photo be sharp enough?

A 12-megapixel phone photo (4000 × 3000) has more than the 3840 × 2160 pixels this size needs at 300 DPI, so it can be printed sharply with room left to crop.

Needed source resolution: 8.3 megapixels or more at 300 DPI.

Matching the 16:9 shape

The output is 16:9. If your photo has another shape, it has to be cropped or it will be stretched. This is how much of each common photo is lost when cropped to fill 16:9:

Starting photo	Cropped away to fill the shape
Phone photo (4000 × 3000, 4:3)	About 25% of the image
DSLR photo (6000 × 4000, 3:2)	About 16% of the image
Video frame (1920 × 1080, 16:9)	Nothing: same shape
Portrait phone photo (3000 × 4000, 3:4)	About 58% of the image

How to resize an image for youtube thumbnail

Add your image. Select a photo or drag it onto the box above. JPG, PNG, WebP, AVIF, HEIC and BMP files are accepted, and the file stays on your device.
Set the resolution. The preset fills in 32.51 × 18.29 cm. Leave DPI on Auto to convert at 96 DPI, or enter 300 DPI for print so the file has enough pixels for a sharp result.
Crop if the shape differs. The target shape is 16:9. If your photo is a different shape, crop it first so the print is not stretched.
Download and print at 100%. Save as JPG or PNG; the DPI value is stored in the file. Print at 100% scale, not "fit to page", so the physical size stays exact.

Related presets

Nearby sizes in this category

More 16:9 presets

More in this category: Social Media & Community Image Sizes. For several photos at once, use the bulk image resizer.

Frequently asked questions

What is 32.51 × 18.29 cm in pixels?▼

It depends on DPI: 1229 × 691 px at 96 DPI, 1920 × 1080 px at 150 DPI and 3840 × 2160 px at 300 DPI.

What DPI should I use for a 32.51 × 18.29 cm print?▼

300 DPI for anything seen up close, such as photos, cards and labels; 150 DPI is acceptable for larger prints viewed from a distance. Higher than 300 rarely gives a visible gain.

What is 32.51 × 18.29 cm in other units?▼

12.8 × 7.2 in, 32.51 × 18.29 cm and 325.1 × 182.9 mm. It does not correspond to a common named standard.

How do I make sure it prints at exactly 32.51 × 18.29 cm?▼

Set the size and a DPI, download the file, and print at 100% scale. Options such as "fit to page" or "shrink to printable area" silently change the physical size, so turn them off. If a lab does the printing, tell them the exact size rather than relying on the file's DPI value.

Is a phone photo big enough for 32.51 × 18.29 cm?▼

Yes. A 12-megapixel phone photo has more than the 8.3 MP needed at 300 DPI.

Do I need an account, and does it add a watermark?▼

No account and no watermark. Open the page, add your photo, and download the result. Because processing happens on your own device, there is no queue and nothing to wait for, even with a large original.

Looking for a different size or format?

Explore over 1,500+ curated presets for social media, print, and strict file sizes.

Back to Presets Directory