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POLARIS OFFICE TOOLS+
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PDF Signature & Stamp

Add drawn signatures, images, praise stamps, and office stamps to a PDF.

FreeNo installationNo server upload

e.g. 1 or 1-3,5

Position is the signature centre measured from the page’s top-left. Size is relative to page width.

Positive angles rotate clockwise. The same relative placement applies to all selected pages.

This adds a visual signature or stamp; it is not a certificate-based digital signature.

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How to use

  • 1. Check the size and formats shown in the uploader, then choose or drag in your file
  • 2. Pixel limits: AI Upscale (2048×2048), AI Colorize (2048×2048), others (no limit)
  • 3. Run the tool you need and download the result
  • 4. Files are saved safely on your device

Security

  • • Each tool clearly identifies whether it uses browser or API processing
  • • Browser-processing tools do not upload files to a server
  • • Optional or required API tools may send the file only to complete that task
  • • Image file contents are not sent to analytics or advertising systems

Features

  • • All image tools in one place
  • • Background removal, resize, compress, format conversion, and more
  • • Download button activates when processing completes
  • • Fast and intuitive user interface
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