Photo & Signature Tools

Signature Resizer Online

Resize a JPG, PNG or WebP signature image with custom dimensions and optional KB optimization.

  • FastRuns in your browser
  • PrivateFiles stay on your device
  • FreeNo account required
  1. 1Select signature
  2. 2Resize
  3. 3Download

Signature resizer

Choose a signature image

Drop your signature hereor choose an imageJPG, PNG or WebP · up to 10 MB

Your signature is processed in your browser and is not uploaded to our server.

How it works

How to use Signature Resizer

  1. 1
    Select signature

    Choose the supported file from your device.

  2. 2
    Resize

    Use the available settings for the result you need.

  3. 3
    Download

    Save the completed file directly to your device.

About Signature Resizer

Choose a signature image, select a convenience preset or enter dimensions, then download the resized result.

Benefits

PNG transparency is retained where the browser supports it. Presets are conveniences, not institutional requirements.

Privacy note

Your file is processed in your browser and is not uploaded to our server.

Frequently asked questions

Is my signature uploaded?

Your file is processed in your browser and is not uploaded to our server.

Can PNG transparency be retained?

PNG output retains transparency where supported by the browser.

Can I target a particular KB size?

Optional optimization treats your KB value as a target while keeping requested dimensions first.

Can I use custom dimensions?

Yes. You can enter positive whole-pixel width and height values.

Are signature presets official requirements?

No. They are convenience presets and are not official requirements for any institution.

Signature Resizer Online | MK Tools