Drop your PDF file here
or click to browse - up to 100 MB per file
Place visible signature appearances (typed or drawn) and initials
Drop your PDF file here
or click to browse - up to 100 MB per file
Sign PDF
Place visible signature appearances and initials on PDF pages (typed or drawn; not certificate-based digital signatures).
Use one clean processing pass, then do a quick QA review before you share the result.
Protect PDF
Add password protection to PDF files and control access permissions for printing, editing, and copying.
Add Watermark
Stamp text or image watermarks on PDF pages with positioning, opacity, and rotation controls.
Merge PDFs
Combine multiple PDF files into one document online. Reorder input files before merging for a clean final output.
You can place a typed signature (in script or monospace style), a drawn signature (using the canvas drawing tool), or an uploaded signature image (PNG, JPG, WebP, or SVG).
No. SentryPDF places a visible signature appearance on the PDF page. This is not a certificate-based digital signature that cryptographically verifies identity. For legal binding, a qualified electronic signature tool is required.
Yes. The tool includes separate modes for signature and initials. Place them independently on any page and position.
Yes. After placing the signature on the page preview, drag it to your preferred position and resize using the corner handle.
No. Both the uploaded PDF and the signed output are automatically deleted within 30 minutes. Download the result immediately after processing.
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