Resize a signature image to required pixels and a KB limit. Start with 140×60 and 20KB, adjust to your form rules, preview and download.
How to use
- Choose a clear signature image
- Enter the form’s dimensions and KB maximum
- Use padding to keep the entire signature
- Check legibility and download
Practical example
The default 140 × 60 pixels and 20KB are starting values, not an official requirement. Use a tight, clean photo of your own signature and change settings to match your form.
Privacy and file limits
The tool does not upload your files. Processing happens in this browser. Limit: 25 MB per file, 50 MB total and 30 files; decoded images up to 24 megapixels. Keep the original and review every output.
Troubleshooting
Choose a supported format and an unencrypted PDF. If memory runs low, use smaller files or fewer files. A low KB limit may be impossible at large dimensions. Do not use PDF edits for signed or interactive documents without checking the result.
Frequently asked questions
Does this remove the background?
No. It resizes and encodes the image. JPG uses a white background for transparency.
Should I centre crop a signature?
Padding is safer because centre crop may cut strokes.
Is 140×60 an official standard?
No. Different forms have different specifications.
Are my files uploaded?
No. The custom tool processes files in your browser; it does not upload them.
What are the file limits?
25 MB per file, 50 MB total, up to 30 files; images up to 24 megapixels.