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Sign a PDF

Put your digital signature on a drawing, where you want it.

  • How-to
  • 1 min
  • Free and Pro
  • Checked with Fluah 1.0.34

Where to find it

Sign on the top bar, or DocumentSign

Steps

  1. Click Sign on the top bar.

    Sign on the top bar

  2. Drag a box where the signature goes.

    A box dragged in the title block, where the signature goes

  3. Pick your signature, type its password, then Unlock. None yet? New signature….

    Sign, page 1: no signature yet, New signature… and Import…

  4. Add a Reason, Location or Contact if you like, then click Sign.

    The Sign dialog: Reason, Location and Contact, and Sign, all waiting for an unlocked signature
    Fluah signs the saved file: save page changes first.

What’s next

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Updated 6 November 2026