Question 1

How do I sign a PDF document online for free?

Accepted Answer

You can sign a PDF online for free on stampsig.com in 3 simple steps: 1) Upload the PDF file in your browser, 2) Add your signature, stamp, or seal by dragging it to the right spot, 3) Download the signed document. No registration required — all operations run locally in your browser.

Question 2

What is the PDF scanner effect and why use it?

Accepted Answer

The PDF scanner effect simulates document scanning, making a digital PDF look like a scanned paper document. It adds slight distortions, noise, and imperfections typical of real scanning. This is useful when you need a PDF to look like a scan of the original, giving it a more natural, paper-based appearance.

Question 3

Can I sign a Word document (DOCX) online?

Accepted Answer

Yes, stampsig.com lets you sign Word (DOCX) documents online. Upload the DOCX file and it is automatically converted to PDF so you can easily add a signature and stamp. Then download the signed PDF. Conversion is instant and free.

Question 4

Is it safe to upload documents to stampsig.com?

Accepted Answer

Yes, it is completely safe. All documents are processed locally in your browser using modern web technologies. Your files are not uploaded to external servers and are not stored anywhere except on your device. Once you close the page, all data is automatically cleared from browser memory.

Question 5

Do I need to register to use the service?

Accepted Answer

No, no registration is required. stampsig.com is a fully free online service with no account needed. Just open the site, upload a document, and start working.

Question 6

How do I turn a PDF into a scanned document online?

Accepted Answer

To turn a PDF into a scanned document on stampsig.com: 1) Upload your PDF file, 2) Enable the 'Scanner effect' option in the settings, 3) Adjust the effect intensity to taste, 4) Download the PDF with the scan effect. The document will look like a real scanned paper original with natural scanning artifacts.

Question 7

Which document formats are supported?

Accepted Answer

stampsig.com supports two main formats: PDF (Portable Document Format) and DOCX (Microsoft Word). PDF files are processed directly, while DOCX documents are automatically converted to PDF before adding a signature or stamp. Both formats support all service features, including the scanner effect.

Question 8

Can I add multiple stamps and signatures to one document?

Accepted Answer

Yes, you can add an unlimited number of stamps, signatures, and seals to a single document on stampsig.com. Each element can be freely moved, scaled, and rotated for precise positioning. This is especially handy for multi-page documents that need several signatures or stamps on different pages.

Question 9

Is document quality preserved after processing?

Accepted Answer

Yes, stampsig.com preserves the original quality of your document. PDFs are processed without loss of quality and text stays sharp and legible. Even when using the scanner effect — which intentionally adds slight distortions for realism — the document text remains fully readable and ready for printing or digital use.

Question 10

Does the service work on mobile devices?

Accepted Answer

Yes, stampsig.com is fully optimized for mobile devices. The site works responsively on iOS and Android smartphones and tablets. You can upload documents, add signatures and stamps, and apply the scanner effect right from a mobile device. The interface adapts automatically to your screen size for comfortable use.

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