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Resize an image to 300 × 80 pixels

300 × 80 pixels is a landscape 15:4 size, often used for wide signature fields. Choose your signature, place it in the frame and download a JPG that is exactly 300 × 80 px and under your form’s KB limit.

Stays on your device. Nothing is uploaded.

01Size the form asks for
02File size limit
03Clean up

Higher keeps thin strokes; lower makes grey paper whiter.

Drop a photo of your signature

Sign on plain white paper and take a photo in daylight.

or drag and drop

04Your file

Choose an image to begin.

About 300 × 80 px

Aspect ratio
15:4
Orientation
Landscape
Total pixels
24,000 (0.02 MP)
Printed at 300 DPI
25.4 × 6.8 mm (1 × 0.27 in)

Printed size by DPI

DPImminch
72105.8 × 28.24.17 × 1.11
9679.4 × 21.23.13 × 0.83
15050.8 × 13.52 × 0.53
20038.1 × 10.21.5 × 0.4
30025.4 × 6.81 × 0.27

How it works

  1. 01Sign with a dark pen on plain white paper and take a photo of it in daylight.
  2. 02Switch to Signature, enter the size and maximum KB from your form.
  3. 03Choose the photo. The ink is found and trimmed automatically; adjust the threshold if strokes look thin.
  4. 04Download the clean, white-background signature.

Questions

How do I resize a photo to 300 × 80 pixels?

Open the tool on this page, choose your photo, drag it into the 15:4 frame and press Download. The file is always exactly 300 × 80 px; you never need to type the numbers.

What is 300 × 80 pixels in mm?

It depends on the DPI it is printed at. At 300 DPI it is 25.4 × 6.8 mm; at 96 DPI (screens) it is 79.4 × 21.2 mm. The table on this page lists more.

How many KB is a 300 × 80 photo?

It varies with the picture and the JPEG quality. Set your form’s maximum KB in the tool; it keeps the best quality that fits. A plain background and even light keep the file smaller.

Other pixel sizes

Other sizes