Set to centimetres already. Enter the width and height your form gives.
Forms often give photo and signature sizes in centimetres, but a digital image is measured in pixels. The link between them is the DPI: pixels = centimetres ÷ 2.54 × DPI. At 200 DPI, 3.5 × 4.5 cm is 276 × 354 pixels.
Forms often give photo and signature sizes in centimetres, but a digital image is measured in pixels. The link between them is the DPI: pixels = centimetres ÷ 2.54 × DPI. At 200 DPI, 3.5 × 4.5 cm is 276 × 354 pixels.
Choose the DPI your form mentions, or 200 if it does not say. The DPI is also written into the JPG, so the photo prints at the right physical size.
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138 × 177 at 100 DPI, 207 × 266 at 150 DPI, 276 × 354 at 200 DPI and 413 × 531 at 300 DPI.
By default the edges are cropped so nothing is stretched. You can instead fit the whole picture inside the size, or stretch it.
It depends on the form. Common sizes are 6 × 2 cm and 3.5 × 1.5 cm. Enter the size printed in your notification.
Yes, it is free, with no sign-up and no watermark. Your file is processed inside your browser and is never uploaded to a server.