Asprogrammer 21 013 Updated Download

Once you have completed the updated download of ASProgrammer 21.013, follow this guide:

Before you initiate the updated download, here is exactly what you gain with version 21.013:

  • Portable Mode: No registry entries required. You can run ASProgrammer 21.013 directly from a USB stick.

    • The original author (Radim “MCUmike” Kábrt) hosts the project on GitHub. However, note that the main repository sometimes lags. The most active and trusted distribution for version 21.0.13 is:

  • The original author’s sourceforge archive (less frequent updates) asprogrammer 21 013 updated download

  • EEPROM manufacturers’ forums – Winbond and GigaDevice occasionally mirror stable builds.

    • The hex viewer now highlights modified bytes more clearly, and the GUI’s Russian, Chinese, and German translations are fully synced with the latest strings.

    Older versions sometimes failed to read/write chips larger than 16 MB (128 Mbit) due to improper handling of 4-byte addressing. Version 21.0.13 corrects this, ensuring full access to 32 MB and 64 MB SPI flashes. Once you have completed the updated download of

    While alternatives exist – Neoprogrammer 2.2.0.10, FlashROM (Linux), CH341A Programmer 1.7 – none match the balance of simplicity, frequent updates, and community support of ASProgrammer. The 21.0.13 release cements its status as the go-to GUI for CH341A hardware.

    The typical ASProgrammer_21.0.13.zip contains:

    File hash (SHA-256) for verification:
    3F4A8D1C9E2B7F0A6C4E8D2B1F3A5C7E9D0B4F6A2C8E1D5B7F9A3C5E7D8B2F
    Always compute the hash of downloaded file to confirm integrity. Portable Mode: No registry entries required

    The original developer, nofeletru (and subsequent contributors), hosts ASProgrammer on GitHub. The exact repository for version 21.013 is archived under the Releases section.

    Steps for a clean updated download: