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Signature Resizer

Fit a signature into exact pixel dimensions and a maximum JPG file size.

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JPG, PNG or WebP · Up to 20 MB and 16 million pixels per image · Files stay on your device.

1 KB = 1,000 bytes. Your result must be below this limit.

Whole image fits on a white background without stretching. Crop blank margins first. These defaults are examples, not official form requirements.

Guide: reduce image size below 100 KB

What is Signature Resizer?

Signature Resizer is a free online image tool from GigaTools. Fit a signature into exact pixel dimensions and a maximum JPG file size. It runs entirely in your web browser, so nothing is uploaded and it works on any device without installing software.

Häufige Anwendungen

  • Fit a signature into exact pixel dimensions and a maximum JPG file size.
  • Prepare files without uploading them to a server

So funktioniert es

How to use Signature Resizer

Prepare your signature

Photograph or scan dark ink on white paper. Crop excess margins with Crop Image first.

Set the requirements

Enter the width, height and maximum KB stated by your form. The tool adds white padding without stretching.

Preview and save

Check that the handwriting remains legible before downloading. Pixel dimensions stay fixed.

FAQ

Gut zu wissen

How do I use Signature Resizer?

1. Prepare your signature: Photograph or scan dark ink on white paper. Crop excess margins with Crop Image first. 2. Set the requirements: Enter the width, height and maximum KB stated by your form. The tool adds white padding without stretching. 3. Preview and save: Check that the handwriting remains legible before downloading. Pixel dimensions stay fixed.

What if the file cannot fit the limit?

The tool reports failure instead of pretending the file meets it. It keeps the requested pixel dimensions; try cropping blank margins from the original, or check the official instructions.

What are the limits?

JPG, PNG or WebP only. Each input is limited to 20 MB and 16 million pixels. Output is limited to 16 million pixels; contact sheets accept up to 12 files.

Are images uploaded?

No. File processing stays in your browser. This does not remove all third-party requests made by the website.

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