A focused stack of browser-based tools designed to secure, protect, and control access to PDF documents. This stack covers essential PDF security workflows such as password protection, PDF encryption, permission control (restrict printing, copying, or editing), PDF unlocking, and removing sensitive access restrictions when authorized. All tools operate directly in the browser, ensuring fast processing, privacy-first handling, and no file storage on servers. This stack is ideal for individuals, freelancers, businesses, and developers who need quick and reliable PDF security features without installing desktop software or uploading documents to third-party platforms.