Virtual Serial Ports Emulator
COM ports emulation solution

Latest beta version: 1.5.6.431

This version contains new features, changes and bug fixes based on user feedback.

Click the button below to download Beta version for all platforms (x86, x86_64 and arm64).

What's new in Beta version?
  • Added Compress/Decompress data transformers which can be used to reduce network traffic
  • Added Encrypt/Decrypt data transformers (symmetric AES256 encryption)
  • Added "Write to file" transformer
  • Added "Minimize to system tray" option in preferences
  • Transformers collection: added PostDelay property for controlling data buffer (useful for Compress transformer)
  • Transformers collection: fixed bug with default Help button
  • Transformers collection: fixed UI bug when moving transformers up and down
  • Fixed issue when loading config file with non-existing transformer (forward compatibility)
  • Connector, Splitter, Pair: added "Purge buffers" on open and close settings
  • COM port settings for user-mode devices: added "Purge buffers on open" setting
  • Fixed bug: new license key is not properly stored when license file from old version already exists
  • Fixed bug: TcpServer transformers to COM port were not unique for every connection
  • Fixed bug: Connector/Splitter did not work properly with apps like AutoHotKey which write data and immediately close COM port


Latest released version: 1.5.5.422

Whats new?
  • Serial Router: added TS-450, TS-850, TS-950 compatible CAT protocol support
  • Localization: added translations to more languages
  • User interface: Added more tooltips
  • Splitter: "Allow buffer overruns" renamed to "Not allowed to block read flow" which explains it better
  • Help window: Removed "always on top" style
  • Added VSPE application setting: Delete all devices on close (disabled by default)
  • Added Help -> Show license key menu command
  • Added checkboxes with options to application close confirmation dialog

Virtual Serial Ports Emulator for 64 bit Windows operating systems
  • For 64 bit (x86_64 or arm64) Windows operating systems. Requires license.
  • Before ordering the license, feel free to validate if VSPE works for your scenarios.




Virtual Serial Ports Emulator for 32 bit Windows operating systems
    For 32 bit (x86) Windows operating systems. Does not require license (free).




Updating VSPE from an older version

  • Close all applications which are currently using VSPE virtual COM ports.
  • Uninstall old VSPE version.
  • Reboot computer. This is not required but recommended (if previous VSPE version was older than 1.5).
  • Download latest VSPE version from this web site for your platform (x64, arm64 or x32 zip archive).
  • Open/extract zip archive and run MSI file for your operating system platform (for example SetupVSPE_64.msi).
  • Thats it. Reboot is not required.


Previous VSPE versions

We strongly recommend to use the latest VSPE version.

Please contact us if you need to download old VSPE version which is not included in the list below.





Latest news
June 17, 2025

VSPE BETA 1.5.6.431 published More

May 29, 2025

VSPE 1.5.5.422 released! More

April 27, 2025

VSPE 1.5.4.415 released! More

March 12, 2025

VSPE 1.5.3.384 released! More

February 06, 2025

VSPE 1.5.2.288 released! More