What size should my signature be for an online application?

This varies by form. Common requirements are 80×30mm or 3.5×1.5cm. Always check the specific portal's instructions.

How do I scan my signature?

Sign on plain white paper, then photograph it with your phone in good lighting or use a flatbed scanner. Crop close to the signature before uploading.

Should the signature background be white or transparent?

Most government portals expect a white background. Use the background removal feature if your scan has a coloured background.

Yes, completely free. Your image never leaves your device.

IDPhotoSize

Give your photo the identity it deserves!

Official ID Photo Resizer — Free, instant & private. Your photo never leaves your device.

ID Photo Tool

Resize Your Signature for Online Applications

Many job portals and government application forms require a scanned signature in specific dimensions and file size. Upload your signature image and this tool crops it to the required size and compresses it to meet the limit.

Related Tools

Select photo size

Unit

8×3 cm, standard document signature size

Keep aspect ratio

Width (in)

Height (in)

DPI

Drop your photo here

or click to browse — JPG, PNG, WEBP

or try a sample:

Photo Requirements

Recommended dimensions: 80×30mm (adjust as needed)
File size: typically under 50KB
Format: JPEG
White or transparent background
Signature should be clear and fully visible

Your Photo, Done Right

Prepare Your Photo in 3 Steps

Upload Your Photo

Upload any photo — we'll detect your face automatically.

Adjust in One Tap (or Fine-Tune)

Use Auto Ready to quickly centre, align, crop, and clean the background. Prefer more control? Adjust everything yourself anytime.

Download & Use Anywhere

Download your photo for online use, or arrange it on a sheet for easy printing.

How to Use This Tool

Scan or photograph your signature on white paper.
Upload the image here.
Adjust the crop to fit just the signature.
Set your target file size if required.
Download the resized signature image.

Frequently Asked Questions

What size should my signature be for an online application?: This varies by form. Common requirements are 80×30mm or 3.5×1.5cm. Always check the specific portal's instructions.
How do I scan my signature?: Sign on plain white paper, then photograph it with your phone in good lighting or use a flatbed scanner. Crop close to the signature before uploading.
Should the signature background be white or transparent?: Most government portals expect a white background. Use the background removal feature if your scan has a coloured background.
Is this free?: Yes, completely free. Your image never leaves your device.

Need a different size or country?

Open the Full ID Photo Tool — 30+ Sizes

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