Photo & Signature Resizer

Make your photo and signature exactly the size an exam, job or government form asks for – pixels, minimum and maximum KB.

🔒 Your files are processed on your device and never uploaded.

Photo & Signature Resizer at a glance

Price: Free
Account: Not needed
Watermark: None
Privacy: Files are processed inside your browser and are never uploaded.
Works on: Windows, Mac, Linux, Android and iPhone – in any modern browser
Install: Nothing to install

Pixels and KB togetherSet the width and height and the smallest and largest size in KB – the file meets all of them.

Clean signaturesTurns grey paper into pure white and makes the ink solid black or blue.

Ready for uploadSaved as a 300 DPI JPG, the format almost every portal accepts.

How to use Photo & Signature Resizer

Press Select photo or signature and choose your picture.
Pick the size your form asks for, or type the pixels and KB yourself. Crop or fit, and clean the background if needed.
Press Resize for my form and download the JPG.

Why forms reject photos and signatures

Online application portals check three things: the size in pixels (for example 200 × 230), the file size in KB (for example between 20 KB and 50 KB) and the format (almost always JPG). A photo straight from a phone is usually 3000 pixels wide and 3–5 MB, so it is rejected. This tool fixes all three in one step.

Minimum and maximum KB

Some forms also set a minimum size, such as “at least 10 KB”. A small, clean signature can easily be smaller than that. The tool then raises the file to the minimum without changing the picture, so it passes the check.

Getting a good signature picture

Sign with a dark pen on plain white paper.
Take the photo in daylight, straight from above, with no shadow from your phone.
Choose a signature size and “Clean white background” – grey paper becomes pure white and the ink becomes even.

No paper at hand? Draw your signature with Signature Maker, then resize it here.

Photo tips

Use a recent photo with a plain light background, looking straight at the camera.
With “Crop to fill the size”, use the slider to move the photo up or down so your head and shoulders are centred.
For passport and visa photos with country rules and a printable sheet, use Passport Photo Maker.

The sizes in the list are common examples. Always check your own form’s instructions and type the exact numbers it gives.

Frequently asked questions

How do I resize a photo to 200 × 230 pixels and 20–50 KB?

Choose your photo and pick “Photo · 200 × 230 px · 20–50 KB”. Press Resize for my form and download the JPG – it meets both the pixels and the KB range.

How do I make my signature 10–20 KB?

Choose the photo of your signature and pick “Signature · 140 × 60 px · 10–20 KB”, or type the sizes from your form. Turn on “Clean white background” for a sharp result.

My form asks for a different size – can I type it?

Yes. Type any width and height in pixels and the smallest and largest size in KB. The list changes to “Custom size”.

Why does my file need a minimum size?

Some portals reject very small files because they could be blank. When the picture is smaller than the minimum, the tool adds empty space inside the file (not to the picture) so it reaches the minimum.

What is DPI and do I need it?

DPI tells printers how big the picture should be on paper. Some forms check it, so every file is saved at 300 DPI.

Is my photo uploaded?

No. The photo or signature is resized on your own device and never sent anywhere.