Password Vault — organize saved passwords in named groups with categories (Finance, Legal, Personal, Work)

Auto-fill passwords from the vault when locking or unlocking matching PDFs

Save passwords to the vault after a successful lock operation

Reveal password toggle in vault entry selection

Segmented control for choosing vault passwords or manual entry

Migrate existing saved passwords to the vault automatically

Vault data encrypted with Windows DPAPI via flutter_secure_storage

Owner password — set a separate owner password to control permissions independently

PDF permissions — restrict printing, copying, modifying, form filling, and annotations

Change restrictions on already-encrypted PDFs

AES-256 and custom encryption options (Pro)

Encrypt metadata so it's only visible after unlocking

Strip PDF metadata (author, title, creation date, producer)

Free tier UX — custom output folder, file naming, overwrite dialog, keyboard shortcut hints

Pro tier with Microsoft Store in-app purchase

License key activation via Stripe checkout

PRO badge in the title bar when Pro is active

Pro upsell dialogs for gated features

Password strength meter with improvement tips

Password generator — create strong passwords instantly, auto-fill both fields

Recently opened files — quickly re-open your last 5 files

Keyboard shortcuts — Ctrl+O to open, Ctrl+L to lock, Escape to clear

Copy-to-clipboard button in Lock and Unlock dialogs

Lock PDFs with AES-256 password encryption

Remove password protection from authorized PDFs

Drag-and-drop PDF selection

Auto-save to source folder or custom output directory

Optional password memory for repeated use

Accessible compact desktop interface with WCAG AA contrast

Local QPDF-powered processing — nothing leaves your device

Available on the Microsoft Store