SendShield Files lets you securely send and request sensitive files. Send via encrypted links with optional passphrases, or use the request portal to let clients upload without passwords—perfect for lawyers, HR, and accountants. Files are encrypted in-browser with AES-256-GCM via WebCrypto API. The key stays after the # in the URL and never reaches our servers. The code is public at github.com/SendShield-Files/crypto. Publishing the repository is not an audit.