SignDoc - Electronic Signature is a powerful tool designed to enhance productivity by simplifying the process of adding signatures, text, and images to PDF files. It supports importing signatures and real-name signing on various file formats like Office, PDF, WPS, and images, ensuring a safe and reliable experience without the need for printing. The application allows users to write, sign, and collaborate with colleagues, friends, and partners seamlessly. Additionally, the real-name authentication feature ensures the legal validity of signed documents, providing a secure platform for handling contracts.

With SignDoc, signing PDF documents and images becomes effortless, enabling users to sign contracts anytime, anywhere directly from their iPhone. The app offers online electronic signatures, handwritten in original style, eliminating the need for printing and traditional delivery methods for signing documents. Its support for handwritten signatures across various file types makes it a versatile office tool for remote signing and business trips.