Signature Resize
Resize a signature image online with custom pixel dimensions, a live preview, and PNG, JPG or WebP downloads. Your image stays in your browser.
Choose a PNG, JPG or WebP image. Set the pixel size your form needs, preview it, then download the resized copy.
Image ready. Choose the required dimensions and format.
No resized file yet.
Why use this tool
Your image stays on your device
The file is opened and resized in your browser. It is not uploaded to this site.
Set the dimensions you need
Enter the pixel width and height from the form or portal. Keep the original proportions when you want to avoid stretching.
Preview before downloading
Compare the original and resized image, choose PNG, JPG or WebP, and save the result when it looks right.
Your signature stays yours
Resizing happens in your browser
The image is read into a browser canvas and never uploaded to our server.
Your destination form sets the size
There is no universal signature dimension. Enter the pixel requirements shown by the form or portal.
Check the final file before upload
Forms can enforce their own format and file-size limits. Preview the resized image and confirm those rules before submitting it.
How to use it
- Step 1
Choose a PNG, JPG or WebP signature image from your device, or drag it into the upload area.
- Step 2
Enter the pixel dimensions required by the form. Keep the proportions locked to avoid stretching, or unlock them to set both dimensions independently.
- Step 3
Choose an output format and quality, select Resize image, review the preview, then download the file.
Frequently asked questions
Does my signature image get uploaded?
No. The image is processed in a canvas in your browser. The resize tool does not send the image to a server.
Which image formats can I use?
You can open PNG, JPG or WebP files and download the resized result in PNG, JPG or WebP format.
How do I keep the image from looking stretched?
Leave Keep the original proportions checked. Changing the width will update the height to match the source image's aspect ratio.
Will this guarantee a form accepts my signature?
No. Upload rules vary by form. Check its required pixel dimensions, file format and file-size limit, then review the downloaded file before submitting it.