1. Start with a copy
Open the PDF editing workspace and choose a PDF of up to 40 MB and 100 pages. The original is read inside your browser tab. The editor creates a new download and does not overwrite it. Password-protected PDFs are not supported.
2. Add a watermark, header, footer or mark
For a watermark, enter short text and choose its size, opacity and pages. Headers and footers can include {page} and {pages} placeholders, or you can add automatic page numbers. For a note, highlight or outline box, select the mark, click the page preview to place it, then add the mark. Preview the edited copy before export. The highlight is only a visible rectangle; it does not identify text automatically.
3. Understand the visual signature
Draw a signature or choose a PNG or JPG image, click the page, then choose its width. The output contains a picture of that signature. It is not a cryptographic digital signature, identity verification or document certification. If a recipient needs a certified signature, use a dedicated signing service.
4. Fill existing form fields
Choose the Fill & flatten tab. Standard text, checkbox, dropdown and radio fields appear as controls. Fill what you need and decide whether to flatten. Flattening turns fields into page content, so recipients cannot edit those fields in the exported copy. XFA forms are not supported. Try the fictional practice form first.
5. Review the downloaded PDF
Open the result and inspect every edited page. Pay particular attention to long text, rotated pages and form values. This editor does not securely redact, remove hidden content or convert scanned pages to text. Files and drawn signatures stay in memory and are discarded when you close the tab.