If you have a scanned image of your handwritten signature, you can insert it onto any PDF page as a transparent PNG overlay — no drawing required.
Sign on white paper with a dark pen. Photograph or scan it. Remove the white background using any image editor to produce a transparent PNG.
Go to pdfeditor.onl/add-image-pdf and upload your PDF. Click Add Image and select your transparent PNG signature.
Tip: Ensure the PNG background is truly transparent (not white) before uploading. Transparent PNGs show a checkerboard pattern in image editors.
Drag the signature to the correct field. Resize using corner handles. Click Save PDF.
The Sign tool lets you draw a signature in real time. Add Image lets you upload a pre-made signature image — useful for an established brand signature.
Yes. A white-background JPG appears as a white rectangle. Use PNG with transparency for a seamless look.
Yes — completely free at pdfeditor.onl/add-image-pdf.