Browsers
Chrome / Edge: 110+ (since 2023).
Safari: 16+ (Mac + iPhone/iPad iOS 16+).
Firefox: 110+ (since 2023).
Internet Explorer: not supported (EOL).
Mobile
The web application works on iPhone and Android.
Native iOS/Android app: coming M2 (Apple + Google app stores).
Offline
iFillPDF requires an internet connection for AI processing (Gemini + Textract) and Supabase synchronisation.
Installable PWA from Chrome/Safari ("Add to Home Screen" menu) for an app-like experience β icon, fullscreen mode, push notifications when a recipient signs.
Test your browser's compatibility
The fastest way: open the iFillPDF fill tool and drop a PDF β if the preview shows in less than 3 s, your config is compatible.
GDPR note: PDF rendering uses PDF.js (Mozilla) on the client, no server upload until you confirm export β your data stays in your browser during editing.