Draw or upload a signature
Write directly on the signature pad or drag in a transparent PNG, JPEG, WebP, or another common image.
Free online PDF signing tool
Drop a file hereChoose one PDF, then draw or upload a visible signature
PDFLocal browser processing
Up to 100 MB and 500 pages. Signatures are written into the PDF without uploading your file.
orFiles are processed on your device and never uploadedDraw or upload a signature and place it on a PDF
Create a visible signature in your browser, drag and resize it on the page, then use open-source PDFium to write it as a real PDF image object without uploading the file.
Drag and resize on any page
Place the signature on a PDF page, move it precisely, and resize it with a stable on-page handle before saving.
Free, open source, and local
Open-source PDFium reads and writes the document in the current browser with no paid SDK or server-side file processing.
PDF signing FAQ
Is this a certificate-based digital signature?
No. This tool creates a visible handwritten or image signature and writes it into the PDF page content. It does not use a private key to create a certificate signature that verifies identity and document integrity.
Can I draw a signature or upload an image?
Yes. Draw directly on the browser signature pad, or click or drag to upload a transparent PNG, JPEG, WebP, or another common image.
Is the signature only a preview overlay?
No. After you confirm, the signature is inserted as a real PDF image object and saved in the exported document.
Can I add multiple signatures on different pages?
Yes. Add one signature, move to another page, place it again, and continue before downloading the PDF with all inserted signatures.
Are the PDF and signature image uploaded?
No. PDF reading, signature drawing, image decoding, page preview, and output generation all happen in the current browser.
RouteMarket.ai
Explore RouteMarket AINeed a transparent signature image?
Prepare or edit the signature image, then drag it into this tool and place it on the PDF page.