Scan and clean
Photograph or select an authorised handwritten signature, crop it, and remove the paper background on-device.
Private, practical document signing
Signo: Signature Scanner
Turn your own handwritten signature into a clean transparent image, keep it in a local library, and place it in PDFs or images on iPhone.
Sign PDFs or images
Import from Photos, Files, or iCloud Drive, place the signature, preview the signed result, and share a PDF.
Reuse locally
Save multiple signatures, choose a default, and manage signed documents without an account or cloud-sync requirement.