Help

Here you will find guides, tips, and answers to frequently asked questions about removing the background from seals, stamps, and handwritten signatures using SigCleaner.

Guides

Remove background from a stamp

Step-by-step guide — from uploading to downloading a PNG.
Extract signature

How to extract a handwritten signature from a document.
Extract a seal or stamp

How to isolate a stamp when there is a signature next to it.
Aggressive text removal

When and how to use the mode for complex forms.
Stamp and signature image editor

How to change the stamp color, brightness, and contrast after removing the background.
Insert a stamp into Word / Excel

How to insert a transparent PNG into Microsoft Office and Google Docs.
Insert a signature into a PDF

Ways to add a transparent signature to a PDF document.
Photography tips

How to photograph a stamp for the best results.
Alternative to remove.bg

How SigCleaner differs from the popular remove.bg service

Frequently Asked Questions

All questions

No. You can remove the background from a stamp or signature without signing up — just upload your image. Registration is only required for API access or to save processed files.

Light cleaning is free: process your file and download the result at no cost. A processing package is only required for Ultra — standard and deep cleaning. Details on the стоимости page.

Yes. After uploading, you need to select the page containing the signature or stamp and crop it.
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