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Forms & uploads / image toolbox

Signature resizer

Crop and fit a signature to exact dimensions and byte limits.

Free, no sign-up Stays in your browser

Drop your images here

JPEG, PNG or WebP · or paste from your clipboard

Images stay on your device. They’re kept in your workspace while you switch tools — no account needed.

How it works.

  1. 01Add one or more supported static images. They stay in this browser tab.
  2. 02Adjust this tool’s controls and inspect the preview.
  3. 03Export. The full-resolution result is rebuilt from the original and verified.

The important details.

Paper removal and automatic background cleanup are not included.

Supported inputs are signature-checked static JPEG, PNG and WebP. Browser codec support and the app’s pixel limits still apply.

All tools
Passport & visa photos

Passport size photo maker

Choose a country and document to set the photo size, pixels and file limit, then crop.

Compress & convert

Compress to KB / MB

Search for an output at or below a real byte limit.

Understand the details

Guides for this tool.

All guides
File size & formats

How to compress an image to 20 KB, 50 KB, 100 KB or 200 KB

Online forms often set a strict file-size limit. Here’s how to hit it without ruining the image.

Editing & privacy

How to resize a signature for online forms

Forms often want a signature at an exact pixel size and under a small file limit, such as 20 KB. Here’s how.

Editing & privacy

Prepare a photo and signature for a form

Keep two files, rules and exports clearly separated.

Free to use, with no sign-up and no watermark. Private by design: your images are processed in this browser tab and never uploaded or stored. Read our privacy approach.

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