Work the way you prefer
Access Quantidia from any browser or install the full desktop application with integrated certificate management and PKI tools — your workflow, your choice.
Two ways in
Choose your access mode
Both give you the full Quantidia platform. The desktop app adds a layer of local certificate management for organizations that need it.
Quantidia Web App
Sign documents, manage workflows and verify identities directly from your browser. No software installation, no updates to manage.
- Works on Windows, macOS, Linux and mobile
- Always up-to-date — no version management
- Secure HTTPS session with SSO support
- Ideal for occasional users and remote teams
🔒 Includes Certificate Client
Desktop Application
Everything in the web app, plus a native certificate management client — store, inspect and use digital certificates locally with hardware token support.
- Local certificate store & PKI operations
- USB token & smart card support (PKCS#11)
- Expiry alerts and certificate renewal
- Auto-updates with enterprise policy support
Download
Get the Desktop App
Available for Windows. Includes the certificate client and auto-update support. Free for all active Quantidia subscribers.
Download for Windows