Flatsonar

Filigrane

by Sébastien Demanou

Add text or image watermarks to PDF documents

Broad permissions Verified creator GPL-3.0-or-later v@VERSION@
Screenshot 1 of Filigrane Screenshot 2 of Filigrane Screenshot 3 of Filigrane Screenshot 4 of Filigrane

About

Filigrane is a modern application designed to apply elegant vector text or high-resolution image watermarks to PDF documents quickly and securely. Features include: - Support for custom text watermarks with font selection, opacity, rotation, and alignment - Support for PNG, SVG, and JPEG image watermarks with scale and aspect ratio options - Multiple placement modes including Center, Corners, Tiled patterns, and custom X/Y positioning - Real-time live document preview powered by Poppler - Full integration with GNOME Files, recent documents, and native GTK4/Libadwaita portal dialogs

Permissions

2 permissions weaken the sandbox. Flatsonar asks before installing.

  • read-only access to your entire file system
    --filesystem=host:ro
  • your keyring / saved passwords
    --talk-name=org.freedesktop.secrets
  • X11 display, only when Wayland is unavailable
    --socket=fallback-x11
  • Wayland display
    --socket=wayland
  • GPU acceleration
    --device=dri
  • access to your documents folder
    --filesystem=xdg-documents
  • access to your download folder
    --filesystem=xdg-download

Who publishes this

The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.

  • hosted by gitlab.com/demsking, which owns the io.gitlab namespace of io.gitlab.demsking.filigrane
    publisher:namespace

Maintenance

Recent activity on the upstream repository, or built and reviewed by Flathub.

No staleness signals: recent activity, or built and reviewed by Flathub.