Resize photos & signatures to exact KB and dimensions

Q: What if my form says the file must be between two KB sizes?

Enter both Min KB and Max KB. The tool aims for a file inside that range and shows a pass or fail check.

Q: Is 1 KB 1000 or 1024 bytes?

Portals differ, so the tool keeps the file under the maximum using 1000 bytes and above the minimum using 1024 bytes. That passes either rule.

🔒 Your file never leaves your device. All processing happens in your browser.

1. What are you uploading?

Photo Signature

2. Form requirement

Min KB (optional) Max KB Width px (optional) Height px (optional)

Crop to fill Fit (white border)

3. Choose your image Tap to choose a photo (JPG, PNG, WebP)

How to use

Choose Photo or Signature.
Tap a preset or type the KB size and dimensions from your form's instructions.
Choose your image, tap Resize & Compress, then download the JPG.

Always check the size rules in the official notification for your form. Exam and portal rules can change.

Frequently asked questions

Is my photo uploaded to a server?

No. The image is processed inside your browser and never leaves your device. You can even turn off mobile data after the page loads.

What if my form says the file must be between two KB sizes?

Enter both Min KB and Max KB, for example 20 and 50. The tool aims for a file inside that range and shows a pass or fail check for size, dimensions and format.

Is 1 KB 1000 or 1024 bytes?

Portals differ. The tool keeps the file under the maximum using 1000 bytes per KB and above the minimum using 1024 bytes per KB, so it passes either rule.

My form gives the size in cm, not pixels. What do I enter?

Check whether your notice also lists pixel dimensions. If it only gives cm, keep the same width-to-height ratio. For example, a 3.5 × 4.5 cm photo has the same ratio as 350 × 450 px.