AVRDUDESS is a GUI for AVRDUDE. It is more advanced than XLoader and supports a wider range of AVR chips and custom settings.
Here are the most reliable hex uploader tools based on your operating system and needs. 1. XLoader (Windows - Best Overall) hex uploader download
Download and run XLoader.exe , select your HEX file, select your device (e.g., Uno, Nano), select the COM port, and click "Upload". AVRDUDESS is a GUI for AVRDUDE
XLoader is perhaps the most famous and user-friendly Windows utility for uploading hex files. It is open-source and specifically designed for loading hex files to Arduino boards via USB. Beginners, Windows users, quick Arduino flashing. select your HEX file