PDF Signature : Lan Signer

PDF Signature : Lan Signer is the ultimate privacy-first app for signing, filling, and summarizing PDF documents—entirely on your device. With on-device AI, Lan Signer transforms how you handle contracts, agreements, forms, and legal documents.

SIGN PDFS INSTANTLY

PDF Signature : Lan Signer makes signing documents effortless. Draw your signature with your finger or Apple Pencil, save it for reuse, and place it anywhere on your PDF. Sign contracts, NDAs, invoices, and receipts in seconds—no internet required.

Sign documents offline, anytime, anywhere. Whether you're traveling or without connectivity, Lan Signer works perfectly offline. Your business documents stay private, always.

AUTOFILL PDF FORMS

Tired of typing the same information repeatedly? PDF Signature : Lan Signer detects form fields automatically in interactive PDFs and fills them instantly with your saved details. Name, email, phone, address—autofill everything in one tap. You can always make manual placements as well.

Smart PDF autofill recognizes first name, last name, street address, city, state, ZIP code, and country. Fill legal forms, business agreements, and contracts faster than ever.

SUMMARIZE WITH ON-DEVICE AI

Sign, fill, summarize with AI—all without leaving the app. Lan Signer uses on device Apple foundation models to generate instant summaries of your documents. Long contracts, complex agreements, detailed invoices—get the key points in seconds.

Privacy-first PDF signing means your document content never leaves your device. Summarize with on-device AI ensures zero cloud uploads, zero tracking, and complete confidentiality.

EXPORT SIGNED PDFS

Once you've completed your document, export signed PDFs with a single tap. Share via email, save to Files, or send through any app. Your signed contracts, forms, and agreements are ready for immediate delivery.

Fill, sign, export in seconds. PDF Signature : Lan Signer streamlines your entire workflow with professional results every time.

PRIVACY-FIRST DESIGN

PDF Signature : Lan Signer prioritizes your privacy above all else. Everything stays private on your device. No cloud uploads, no tracking, no data collection. Your documents, signatures, and personal information remain completely offline and secure.

Optional iCloud backups give you control. Enable backups when you want, disable them when you don't.

OFFLINE PDF SIGNER