Neoprogrammer 2.1.0.19 is currently one of the best third-party software solutions for the ubiquitous CH341A programmer hardware. It solves the biggest pain points of the official manufacturer software—namely driver conflicts, ugly interfaces, and safety risks—by offering a streamlined, English-language interface that automatically handles voltage selection. If you own a cheap CH341A USB programmer, this software is almost essential.
Because Neoprogrammer is portable, setup is straightforward:
The software is primarily utilized by:
Neoprogrammer is a free, lightweight, yet powerful programming utility originally designed for the CH341A series of USB programmers. While the CH341A hardware is mass-produced and inexpensive, the accompanying software from Chinese manufacturers is often buggy, English-translated poorly, or bundled with bloatware.
Neoprogrammer solves this. It offers a clean interface, advanced timing controls, and support for thousands of chips—from the ancient 24C series EEPROMs to modern 25 series SPI NOR flash. Version 2.1.0.19 is widely regarded as the most stable release before unnecessary "upgrades" introduced UI lag and detection issues. Neoprogrammer 2.1.0.19 Download
Do not run the executable from the compressed folder. Extract to C:\Neoprogrammer to avoid Windows permission issues.
Before you proceed with the Neoprogrammer 2.1.0.19 download, here is what the software offers: Neoprogrammer 2
Yes. The software has been analyzed by multiple AV engines (VirusTotal). The bare .exe contains no network calls, no registry persistence, and no file system hooks. However, due to kernel driver communication, it will trigger false positives on aggressive antivirus software (like McAfee or Norton). Simply add the folder to your antivirus exclusion list.
USB-EPROM/CH341A.