Image stretcher
Stretch image for printing on A4 and Letter
Stretch image for printing when the sheet is the target: A4 at 300 DPI is 2480×3508, US Letter is 2550×3300, and a 1920×1080 screen file is neither.
Paper at 300 DPI, in pixels
A4 is 2480×3508. US Letter is 2550×3300. They are not the same sheet.
Size chart
Pixel width, height, and the reduced ratio for every template on this page.
| Template | Width | Height | Ratio |
|---|---|---|---|
| A4 | 2480 | 3508 | 620:877 |
| A5 | 1748 | 2480 | 437:620 |
| A6 | 1240 | 1748 | 310:437 |
| Letter (US) | 2550 | 3300 | 17:22 |
| Tabloid | 3300 | 5100 | 11:17 |
| A1 | 5786 | 8192 | 2893:4096 |
| A2 | 4961 | 7016 | 4961:7016 |
| A3 | 3508 | 4961 | 3508:4961 |
What an A4 sheet asks for that Letter does not
A4 is 2480×3508. Letter is 2550×3300. A5 is 1748×2480 and A6 is 1240×1748, both the same shape as A4. Tabloid is 3300×5100.
A landscape photo stretched into portrait A4 gets taller. That can pass for a texture and fail for a face or a logo on a flyer.
A 1920×1080 screenshot stretched up to 2480×3508 looks soft on paper. Start from the largest photo you have, then pick the sheet.
How to stretch an image for printing
These rows are paper at 300 DPI, in pixels. A 1920×1080 screen file is not an A4 file.
- Step 1
Open a file that can survive 300 DPI
A4 is 2480×3508. US Letter is 2550×3300. A screenshot stretched up to those counts looks soft on paper. Start from the largest photo you have.
- Step 2
Pick the sheet, not a social frame
A4 is 2480×3508. A5 is 1748×2480. A6 is 1240×1748. Letter is 2550×3300. Tabloid is 3300×5100. A5 and A6 share A4’s shape. Letter and Tabloid do not.
- Step 3
Decide whether the subject may warp
A landscape photo stretched into portrait A4 gets taller. That is fine for a texture and wrong for a face or a logo on a flyer. Crop when the shape of the subject matters more than a full-bleed sheet.
- Step 4
Download for the printer
PNG keeps flat color and type cleaner at 300 DPI. JPEG is reasonable for a photographic poster if the quality stays high. One sheet per export: an A4 file still does not fill Letter.
When to stretch images for printing
Common jobs where independent width and height beat uniform resize or cropping for print — from posters and handouts to strict paper-size fills.
Posters and handouts
A4 and Letter rarely match your camera aspect. Stretch width to fill the frame safely, or nudge height when the paper template is short — without rebuilding the whole graphic in a layout editor.
Product and listing shots for print
Catalogs and flyers often demand a fixed paper box. When cropping would cut packaging text or trim a silhouette, independent axes let the product fill the frame. Preview live so stretch stays intentional.
Photo prints and proofs
Print shops and home printers need punchy framing at paper sizes. Stretch a hero region to match the sheet ratio, then export JPEG for a light file. Pair with crop when you need both composition and final dimensions.
Tall and short sheets
Tabloid and portrait sheets love vertical fill. Non-uniform stretch helps a landscape still become a print-ready frame. Work locally so drafts never hit a cloud uploader before you print.
Exact paper fills
Moving a square shot into an A4 or Letter ratio is an aspect-ratio problem. Unlock the lock, set the target size, and let the stretcher remap pixels to the box. Prefer crop when identity must stay undistorted; stretch when fill matters more.
Why stretch for printing with ImageStretcher
A4 and Letter are different sheets
A4 at 300 DPI is 2480×3508. US Letter is 2550×3300. A file stretched for one sheet leaves a gap or a clip on the other.
300 DPI is the pixel count
The sizes on this page are print frames at 300 DPI. A screen-sized 1920×1080 file is not an A4 file.
A5 and A6 are smaller sheets
A5 is 1748×2480 and A6 is 1240×1748. They share A4’s shape at a smaller size. They are not Letter.
Tabloid is a larger sheet
Tabloid is 3300×5100. A Letter file will not fill that page.
Formats and limits for print stretching
PNG for type and flat color on A4 (2480×3508) or Letter (2550×3300). JPEG for a photographic poster when the file would be huge as PNG. Export the sheet you are printing, not a second sheet from the same stretch.
Small type on a flyer holds up at 2480×3508 as PNG. A photographic poster can be a high-quality JPEG, and it still looks soft if the source was a 1920×1080 screenshot.
An A4 file leaves a gap or a clip on Letter. Print the sheet you actually chose.
A4 and Letter move a face differently
2480×3508 and 2550×3300 look interchangeable until you overlay them. Letter is wider and shorter, so a face centered on A4 shifts when you stretch it onto Letter.
A5 at 1748×2480 is a smaller A4, same shape. Tabloid at 3300×5100 is a different sheet, and scaling A4 up to it goes soft.
Stretch image for printing FAQ
- What does stretch image for printing mean here?
- It means stretching width and height to match print-ready paper sizes like A4 and Letter — filling the frame instead of cropping the subject. ImageStretcher does this in your browser with a local canvas — your file never leaves this device.
- Does an A4 file also fill US Letter?
- No. A4 at 300 DPI is 2480×3508. Letter is 2550×3300. They are close and still not the same sheet.
- Are A5 and A6 just smaller A4?
- They share A4’s shape. A5 is 1748×2480 and A6 is 1240×1748. Letter is a different shape, and Tabloid is 3300×5100.
- Is 1920×1080 enough for an A4 stretch?
- You can stretch it, and the print will look soft. A4 wants 2480×3508 at 300 DPI. A screen-sized file does not contain those pixels.
- PNG or JPEG for a print stretch?
- PNG when the sheet has type or flat color. JPEG for a photographic poster if PNG is too heavy. Keep the quality high.