Free Online PDF Signature Tool
Use this free PDF Signature Tool to add a visible signature stamp to a PDF directly in your browser. Upload a PDF, type your signature or upload a PNG/JPG signature image, choose where it should appear, then download the signed PDF.
This tool is useful for forms, approvals, proposals, contracts, invoices, offer letters, confirmations, and client documents that need a simple visible signature mark before sharing.
Your PDF is processed locally in the browser with no login and no server upload. The selected PDF and signature image stay on your device while the tool creates a new PDF with the signature added.
Key Features
When to Use This PDF Signature Tool
How to Use the PDF Signature Tool
- 1. Select a PDF file from your device, or drag and drop it into the upload area.
- 2. Choose typed signature or image signature.
- 3. Enter signature text or upload a PNG/JPG signature image.
- 4. Choose pages to sign and select signature position, size, opacity, and color.
- 5. Review the preview and click Download signed PDF.
PDF Signature Tool FAQ
Does this PDF Signature Tool upload my file?
No. PDF signing happens locally in your browser, and no login is required.
Can I upload an image signature?
Yes. You can upload a PNG or JPG signature image and place it on selected PDF pages.
Can I sign only the last page?
Yes. Last page is the default, and you can also choose first page, all pages, or a custom page range.
Is this a legally verified digital signature?
No. This tool adds a visible signature stamp. It is not a cryptographic digital signature and does not verify identity.
Will PDF signatures or forms remain valid?
Adding a visible signature creates a new PDF. Existing digital signatures, forms, bookmarks, scripts, or advanced features may not be preserved exactly.