How to use:
1. Download the app and sign in with email or continue as a guest, then allow camera and file access.
2. Scan paper documents: tap Scan, let the app auto-detect edges, adjust crop and filters, then save as PDF or JPG.
3. Edit and sign: open a file to add text, highlights, annotations, stamps, and your e-signature; fill form fields and save.
4. Convert and organize: merge or split PDFs, reorder pages, compress file size, or convert to Word, Excel, or images.
5. Share and secure: export via email or messaging, sync to cloud storage, and add a password or watermark for protection.