Sign a PDF Online Free

100% private — runs in your browser

Choose a PDF to sign or drag & drop here

Draw a smooth digital signature with adjustable pen size and color, then download it as a transparent PNG for documents.

Stamp a text watermark like CONFIDENTIAL or DRAFT diagonally across every PDF page, with adjustable size, color and transparency.

Combine multiple PDF files into a single document in your browser.

Reduce PDF file size to a target like 200KB for form uploads.

1 · Draw your signature