Merge PDF
Bring your PDFs together in one tidy file.
Signature Resizer and Compressor Online
Prepare scanned or photographed signatures with editable pixel dimensions, manual cropping, contrast, and a target file size.
Stays on your device Free, no sign-up
Start with an image.
Drop a JPG, PNG or WebP photo here, or pick one from your device.
Processed in this browser · Up to 30 MB · Max 24 MPImages are processed locally. No account required. Keep the original and always confirm official upload rules.
How to signature resizer
01
Select a clear signature photograph or scan.
02
Adjust the crop, dimensions, background and size limit.
03
Check legibility before downloading JPG or PNG.
Good to know before you start
Different authorities have different signature dimensions and formats. None of the default values are official government requirements.
A
E
x
Common questions
N
o
N
o
What should I know about this tool?
Different authorities have different signature dimensions and formats. None of the default values are official government requirements.
Do my files leave my device?
No. File conversion and editing happen locally in your browser. Paperlane does not upload your document contents to a conversion server. The hosting provider still receives standard website requests.