WattAWidget pins a small always-on-desktop widget that shows your PC's live power draw - true battery telemetry on battery, a self-calibrating CPU+GPU sensor estimate on AC - with a 30-minute sparkline, 24-hour and 7-day history charts, kWh and electricity-cost estimates, and a battery health readout.
Publisher’s description
What is WattAWidget?
WattAWidget is an open-source customisation program for Windows from Vinyas. It is written in C#.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
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: WattAWidget is an open-source customisation tool for 64-bit PCs.
Is WattAWidget 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:
77EEBBDE0AD7D4C844A2305FD7F55CBDC0928B8EC2AEA5847D10855A81C7F825· 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.0.0Latest | August 11, 2026 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id Vinyas.WattAWidget -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Vinyas
- Category
- Customisation
- Licence
- MIT
- Price
- Free
- Source code
- github.com/pyvinyas/WattAWidget
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 1.0.0
- Released
- August 11, 2026
- Added to the catalogue
- August 11, 2026
- Versions listed
- 1
- Website
- github.com
- winget ID
- Vinyas.WattAWidget
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is WattAWidget free?
Yes. WattAWidget is open-source software under the MIT licence.
Is WattAWidget 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 WattAWidget 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 WattAWidget run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use WattAWidget without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to WattAWidget?
PowerToys, Scribus, Rainmeter, Mattermost and Lively Wallpaper. The alternatives page compares them.
