Screenshot annotator software for Windows and Linux.
Features:
- **Arrows** - Draw attention to specific areas with customizable arrows
- **Callouts** - Add speech bubble annotations with editable text
- **Notes** - Create text boxes for additional information
- **Border Selection** - Highlight areas with bordered rectangles
- **Blur** - Obscure sensitive information with blur effects
- **Selection Tool** - Select portions of the image to copy (Ctrl+C) or delete (Delete key)
- **Cut out vertical and horizontal slices** - Cut out vertical or horizontal areas of image
- **Highlighter** - Highlights areas of interest
- **Project Management** - Automatic project saving and preview thumbnails
- **Cross-Platform** - Works on both Windows and Linux
- **OCR** via Tesseract and Windows.Media.OCR.
Publisher’s description
What is ScreenshotAnnotator?
ScreenshotAnnotator by Siarhei Kuchuk is open-source Windows software in the screenshot tools category. It ranks 28th by popularity among screenshot tools in this catalogue. It is written in C#.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit and ARM64 Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 2026.09.14, released on September 14, 2026. The version history goes back to February 25, 2026: 9 releases, all linked to the official files.
Popularity and file types
The source code on GitHub (drweb86/annotator) has 1 stars. Similar programs include Greenshot, Flameshot and Lightscreen.
Project description on GitHub: “Screenshot annotation software for Windows and Ubuntu written in C#”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Native ARM64 build for Windows on Arm
- Documented silent install
- Updated in the last two months
Cons
- Installation needs administrator rights
In short: ScreenshotAnnotator is an open-source screenshot tool tool for 64-bit and ARM64 PCs. Administrators can deploy it unattended.
Is ScreenshotAnnotator 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:
EB30F1E972E0AD697FE511BBBF9AFCE59003B445882725A7F0E103C97D298D16· 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 9 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2026.09.14Latest | September 14, 2026 | — | 64-bit EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS)ARM64 EXE (NSIS) |
| 2026.07.14 | July 14, 2026 | — | 64-bit EXE (NSIS)ARM64 EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS) |
| 2026.06.14 | June 14, 2026 | — | ARM64 EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS)64-bit EXE (NSIS) |
| 2026.04.30.2 | April 30, 2026 | — | 64-bit EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS)ARM64 EXE (NSIS) |
| 2026.04.23 | April 23, 2026 | — | 64-bit EXE (NSIS)ARM64 EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS) |
| 2026.04.20 | April 20, 2026 | — | ARM64 EXE (NSIS)64-bit EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS) |
| 2026.04.08 | April 8, 2026 | — | ARM64 EXE (NSIS)64-bit EXE (NSIS)64-bit EXE (NSIS)ARM64 EXE (NSIS) |
| 2026.04.06 | April 6, 2026 | — | 64-bit EXE (NSIS)ARM64 EXE (NSIS)ARM64 EXE (NSIS)64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id SiarheiKuchuk.ScreenshotAnnotator -escreenshot-annotator_2026.09.14_windows_setup.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Siarhei Kuchuk
- Category
- Screenshot tools
- Licence
- CC0-1.0
- Price
- Free
- Source code
- github.com/drweb86/annotator
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64
- Installer
- EXE (NSIS)
- Version
- 2026.09.14
- Released
- September 14, 2026
- Added to the catalogue
- February 25, 2026
- Versions listed
- 9
- GitHub stars
- 1
- Website
- github.com
- winget ID
- SiarheiKuchuk.ScreenshotAnnotator
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is ScreenshotAnnotator free?
Yes. ScreenshotAnnotator is open-source software under the CC0-1.0 licence.
Is ScreenshotAnnotator 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 ScreenshotAnnotator 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.
Can ScreenshotAnnotator be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does ScreenshotAnnotator run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of ScreenshotAnnotator?
The versions page lists all 9 versions with links to their official installer files, back to February 25, 2026.
Can I use ScreenshotAnnotator without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to ScreenshotAnnotator?
Greenshot, Flameshot, Lightscreen, ksnip and ScreenCloud. The alternatives page compares them.
