Skip to main content
Change a finished PDF

Edit

Change a finished PDF without the source file: add headers, footers and page numbers, apply signatures, stamps and watermarks, adjust margins or embed attachments.

Add Header / Footer to PDF

Inject HTML-formatted headers and footers into any PDF, with page number variables.

Add Page Number to PDF

Stamp page numbers with custom position, font, and format.

Sign PDF

Apply digital or image-based signatures to PDF documents programmatically.

Add Image Stamp to PDF

Watermark or brand PDFs with image stamps at any position.

Add Text Stamp to PDF

Add text watermarks, "CONFIDENTIAL" stamps, or custom overlays.

Add Margin to PDF

Add white or custom-color margins to PDF pages for binding or branding.

Add Attachment to PDF

Embed files as attachments inside a PDF document.

Get your documents done.

Build it into your product with the API, automate it with no code, or use the free tools in your browser. No credit card to begin.

Start with a single callcurl -X POST https://api.pdf4me.com/v1/ConvertToPdf

Free tier · No credit card required