NAPS2 is free and open source scanning software for Windows, Mac and Linux.

Easily scan with devices from Canon, Brother, HP, Epson, Fujitsu, and more. Then save to PDF, TIFF, JPEG, or PNG with a single click.

Changes in 8.2.1:

• Added a review prompt in the Microsoft Store version after a month's use
• Windows: Added TWAIN support to arm64 installer
• Windows: Fixed some OCR compatibility issues
• Windows: Fixed preview window being cut off
• Mac: Fixed SANE crash
• Escl: Fixed some compatibility issues
• Sane: Fixed some duplex compability issues
• Linux: Fixed Gmail/Outlook Web options not showing
• Linux: Fixed hidden buttons after disabling PDF encryption
• Sdk: Fixed extraneous error log

Download: NAPS2 (64-bit)
Download: Portable NAPS2 8.2.1 
Link: NAPS2 Home Page