brightctrl adjusts the brightness of external monitors over DDC/CI from the
terminal — both an interactive TUI and a scriptable CLI. A single native
binary with no runtime dependencies. On Windows it uses the Monitor
Configuration API.
Publisher’s description
What is brightctrl?
brightctrl by shahriyardx is open-source Windows software in the monitoring & benchmarks category. It is written in Rust.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Updates and version history
The current version is 0.2.5, released on August 16, 2026. The version history goes back to June 30, 2026: 2 releases, all linked to the official files.
Popularity and file types
The source code on GitHub (shahriyardx/brightctrl) has 3 stars. Similar programs include Veyon, Monitorian and Datadog Agent.
Project description on GitHub: “A lightweight DDC/CI monitor brightness controller for Linux”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
Cons
- No native ARM64 build
In short: brightctrl is an open-source monitoring & benchmark tool for 64-bit PCs.
Is brightctrl safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
8E7AEF7565E35F5801803961ED98191038A9DC64E7FD7BD6A83B89309B8DBC14· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- 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 |
|---|---|---|---|
| 0.2.5Latest | August 16, 2026 | — | 64-bit Portable |
| 0.2.3 | June 30, 2026 | — | 64-bit Portable |
Install from the command line
Silent install ›winget install --id shahriyardx.brightctrl -eProgram files (.exe): brightctrl.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- shahriyardx
- Category
- Monitoring & benchmarks
- Licence
- MIT
- Price
- Free
- Source code
- github.com/shahriyardx/brightctrl
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 0.2.5
- Released
- August 16, 2026
- Added to the catalogue
- July 15, 2026
- Versions listed
- 2
- GitHub stars
- 3
- Website
- github.com
- winget ID
- shahriyardx.brightctrl
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to brightctrl
See all ›-
Veyon4.11.4.0Veyon is a free and open source software for monitoring and controlling computers across multiple platforms.Open source258.6K ↓ -
Monitorian4.16.2Monitorian is a Windows desktop tool to adjust the brightness of multiple monitors with ease.Open source10.4K ↓ -
Open source870K ↓ -
Open source535K ↓ -
Open source128.6K ↓ -
LibreHardwareMonitor0.9.6A free software fork of Open Hardware Monitor that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.Open source85K ↓ -
Mem Reduct3.5.2Lightweight real-time memory management application to monitor and clean system memory on your computer.Open source20.8K ↓ -
DiskSpd2.3DISKSPD is a storage load generator / performance test tool from the Windows/Windows Server and Cloud Server Infrastructure Engineering teams.Open source36.3K ↓
Frequently asked questions
Is brightctrl free?
Yes. brightctrl is open-source software under the MIT licence.
Is brightctrl safe to download?
The download comes from github.com, 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 brightctrl 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 brightctrl run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of brightctrl?
The versions page lists all 2 versions with links to their official installer files, back to June 30, 2026.
Can I use brightctrl without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to brightctrl?
Veyon, Monitorian, Datadog Agent, windows_exporter and Alloy. The alternatives page compares them.