SignPdf: Sign PDF Files

SignPDF is your fast, secure, and privacy-first PDF document signer. Fill forms, sign contracts, and add official stamps to PDF files directly on your Android device without uploading sensitive documents to any external cloud servers. KEY FEATURES: ✍️ Natural Signature Placement • Draw your signature with your finger or stylus naturally. • Transparent ink blending with zero white backgrounds or unwanted borders. • Instant 1-tap placement directly onto contracts and agreements. 📁 Signature Vault • Save your favorite signatures and initials securely on your device. • Re-apply signatures anytime with a single tap. 📷 Upload & Digitize Paper Signatures • Take a photo or upload an image of your signature on paper. • Automatic smart background removal turns paper into transparent digital ink. 📅 Dates, Custom Text & Stamps • Insert automatic date stamps in standard legal formats. • Add custom text annotations: job titles, company names, or custom notes. • Apply official status badges: APPROVED, SIGNED, CONFIDENTIAL, or COMPLETED. 🔒 100% Privacy & Offline Processing • Completely offline signing engine. • Your documents, personal data, and signatures never leave your device. • Zero storage permission risk: Uses the standard Android Storage Access Framework. 🌐 Multi-language Support • Fully localized in English, Arabic (العربية), French, Spanish, German, and Chinese. 📄 Crisp High-Resolution Export • Export and share clean, print-ready signed PDF files instantly via WhatsApp, Email, Drive, or any messaging app. Sign agreements, NDAs, invoices, job offers, receipts, and school forms with ease and peace of mind. Download SignPDF today!

Initial release of SignPDF: • Sign PDF documents smoothly using your finger or stylus. • Instant, transparent, and borderless signature placement. • Import handwritten signatures from camera or gallery with automatic background removal. • Add custom text, dates, initials, and stamps anywhere on the page. • 100% offline document processing for maximum privacy. • Clean, modern Material 3 interface with multi-page navigation.