Cailun is a Chrome extension designed to enhance the certification and signing of documents directly within the browser. It leverages users' digital certificates, allowing for a secure and efficient signing process without the need for extra software installations. This tool simplifies the management of digital documents, ensuring that users can easily authenticate their identity while maintaining document integrity.

Key features of Cailun include simplified digital signatures, which enable users to sign documents directly in their browser, and compatibility with cryptographic devices for secure signing. Additionally, the extension integrates seamlessly into existing workflows, allowing for the certification and signing of documents within web applications. Cailun maximizes both security and convenience for users handling digital documents.