Screenshot Annotator

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.

Screenshots

🌐 Supported languages (57)

Amharic, Arabic, Azerbaijani, Bengali, Burmese, Cebuano, Chinese Simplified, Czech, Dutch, Filipino, French, German, Greek, Gujarati, Hausa, Hebrew, Hindi, Hungarian, Igbo, Indonesian, Italian, Japanese, Kannada, Kazakh, Khmer, Korean, Malay, Marathi, Nepali, Nigerian Pidgin, Odia, Pashto, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Sindhi, Sinhala, Somali, Spanish, Swahili, Swedish, Tamil, Telugu, Thai, Turkish, Ukrainian, Urdu, Uzbek, Vietnamese, Yoruba, Yue Chinese, Zulu, English (default)

📦 Installation Options

📦 Installation for Windows

A. Microsoft Store

Best option. Store will keep application up to date.

B. WinGet

winget install --id SiarheiKuchuk.ScreenshotAnnotator

C. Setup look for asset windows_setup.exe

Setup is good when you can't use Store (no Microsoft Account, etc). Application will check for self-updates however you should manually update the application.

D. Binaries look for windows_archive.7z

Binaries are good if setups and zip archives are blocked by corporate policies. Application will check for self-updates however you should manually update the application.

📦 Installation for Linux

Debian, Ubuntu, and derivatives

A. Installation via APT Repository

Best option. System will keep application updated.

One-Time Setup - add repository

curl -fsSL https://drweb86.github.io/annotator/gpg-key.pub | sudo gpg --dearmor -o /usr/share/keyrings/screenshot-annotator.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/screenshot-annotator.gpg] https://drweb86.github.io/annotator stable main" | sudo tee /etc/apt/sources.list.d/screenshot-annotator.list > /dev/null

Install

sudo apt update && sudo apt install screenshot-annotator

Update

sudo apt update && sudo apt upgrade screenshot-annotator

Uninstall

sudo apt remove screenshot-annotator
sudo rm /etc/apt/sources.list.d/screenshot-annotator.list /usr/share/keyrings/screenshot-annotator.gpg

B. DEB look for asset linux_arm64.deb and linux_amd64.deb

For amd64:

sudo dpkg -i screenshot-annotator_*_linux_amd64.deb
sudo apt-get install -f

For ARM64:

sudo dpkg -i screenshot-annotator_*_linux_arm64.deb
sudo apt-get install -f

Uninstall

sudo apt remove screenshot-annotator

C. Bash script

Installation:

wget -O - https://raw.githubusercontent.com/drweb86/annotator/master/scripts/ubuntu-install.sh | bash

Installation of preview:

wget -O - https://raw.githubusercontent.com/drweb86/annotator/master/scripts/ubuntu-install.sh | bash -s -- --latest

Uninstallation (source install only):

wget -O - https://raw.githubusercontent.com/drweb86/annotator/master/scripts/ubuntu-uninstall.sh | bash

Fedora, RHEL, Rocky, Alma, and openSUSE

RPM look for asset linux_x86_64.rpm and linux_aarch64.rpm

sudo dnf install ./screenshot-annotator_*_linux_*.rpm

openSUSE: sudo zypper install ./screenshot-annotator_*_linux_*.rpm

Arch Linux, Manjaro, and EndeavourOS

Pacman look for asset linux_x86_64.pkg.tar.zst and linux_aarch64.pkg.tar.zst

sudo pacman -U screenshot-annotator_*_linux_*.pkg.tar.zst

Other glibc Linux (amd64 and arm64)

Tarball look for asset linux_amd64.tar.gz and linux_arm64.tar.gz

sudo tar -C / -xzf screenshot-annotator_*_linux_*.tar.gz

The tarball unpacks into /usr. The system needs glibc, libstdc++, libX11, and fontconfig.

After installation, the following command is available: screenshot-annotator — graphical application. Debian, Fedora, and Arch packages depend on gnome-screenshot. On the tarball, install gnome-screenshot, or scrot, or ImageMagick, when it is not already present.

Technology Stack

• Built with Avalonia UI for cross-platform support
• .NET 10
• SkiaSharp for image processing

Development

This project was developed with AI assistance from Claude (Anthropic's AI assistant); Cursor.