COM Port Info belongs natively to ComPortMan, but is handy standalone too.
Features:
- Two views with COM ports and connection types (BusTypes)
- "Safely remove hardware"
- Restart devices to revive it after "safe removal" (if started with administrator previleges)
- COM port numbers change and swap (if started with administrator previleges)
- USB-Port reset (XP, Win8, 10, 11)
- Display of the "Port Parameters" (GetCommState), that's how the last application using this port left it behind and on failure it indicates that the port is in use
- Display of the "Default Port Parameters" (GetDefaultCommConfig), these are the parameters from the device manager
- Display of the "Port Properties" (GetCommProperties), these are the capabilities of the COM port hardware, e.g. supported signals and data rates
Publisher’s description
What is ComPortInfo?
ComPortInfo is a free program for Windows from Uwe Sieber.
Installation and requirements
Official installers exist for 64-bit and 32-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 1.2.6, released on May 17, 2026. 2 versions are listed since July 30, 2025, each with links to its own installer files.
Pros / Cons
Pros
- Free to use
- Portable: runs without installation
Cons
- No native ARM64 build
- The official download link did not answer at the last check
In short: ComPortInfo is a free Windows tool for 64-bit and 32-bit PCs.
Is ComPortInfo safe to download?
- The file is served by uwe-sieber.de, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
4ED77AD5070C73C34543B76CE1C0F3C2304E10FD3E84168164D1F4617D2A61BC· Open the VirusTotal report for this hash - The link did not answer when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.2.6Latest | May 17, 2026 | — | 64-bit ZIP32-bit ZIP |
| 1.2.4 | July 30, 2025 | — | 64-bit ZIP32-bit ZIP |
Install from the command line
Silent install ›winget install --id UweSieber.ComPortInfo -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Uwe Sieber
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- Portable
- Version
- 1.2.6
- Released
- May 17, 2026
- Added to the catalogue
- September 21, 2025
- Versions listed
- 2
- Website
- uwe-sieber.de
- winget ID
- UweSieber.ComPortInfo
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is ComPortInfo free?
Yes. ComPortInfo is free to use.
Is ComPortInfo safe to download?
The download comes from uwe-sieber.de, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install ComPortInfo with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does ComPortInfo run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of ComPortInfo?
The versions page lists all 2 versions with links to their official installer files, back to July 30, 2025.
Can I use ComPortInfo without administrator rights?
Yes, it is portable: unpack and run it.