Install on Mac

Mac

For Apple Silicon Macs running macOS 13 or later. This internal release is ad-hoc signed.

1. Open the downloaded DMG file.
2. Drag FCCS Digital Stamp to the Applications folder.
3. Eject the disk image, then open Digital Stamp from Applications.

If macOS shows an unidentified developer warning, verify that the app came from your company. In System Settings → Privacy & Security, choose Open Anyway when available. Your organisation’s IT policy may restrict this option.

Using Digital Stamp

1. Open a PDF and enter the extension date, approver name and authorization date.
2. Select a page, drag the stamp into position and adjust its size.
3. Choose Add stamp to place another stamp.
4. Click a stamp to edit its entries, move it or remove it. Stamps saved by this version can be edited after reopening the PDF.
5. Choose Save PDF. Choose the filename and folder for your saved PDF.

Choose Close document to clear the PDF and return to Open PDF. If stamp changes have not been saved, you can cancel or confirm before they are discarded.

Rewriting a PDF invalidates cryptographic signatures, even when visual signatures remain. Older flattened stamps cannot be edited. Supported AcroForm fields are preserved.