Pyro

Pyro is a Windows screenshot utility written in Rust, inspired by Flameshot.

It supports mixed-DPI, multi-monitor setups and an interactive region editor with annotations.

Features

• Capture targets: region, primary, all-displays
• Global hotkey capture (default: PrintScreen)
• Region editor tools: select, rectangle, ellipse, line, arrow, marker, text, pixelate, blur
• Copy/save/copy+save actions
• Pin capture as an always-on-top floating window
• Tray icon with quick actions
• Settings window (pyro-settings) with live hotkey reload
• Monitor diagnostics CLI with JSON/validation/report/baseline compare

Requirements

• Windows 10 or Windows 11 (x64)
• Rust stable toolchain (if building from source)

Build From Source

cargo build --release --locked --bin pyro --bin pyro-settings

Binaries:

• target/release/pyro.exe
• target/release/pyro-settings.exe

Build MSI installer (standard Windows installer with Installed Apps entry):

dotnet tool restore
powershell -ExecutionPolicy Bypass -File scripts/build-installer.ps1 -Version v0.1.0

Run

Start tray app:

cargo run -- run

Capture once:

cargo run -- capture --target region --edit

Open settings:

cargo run -- settings

Monitor diagnostics:

cargo run -- monitors --json --validate

Configuration

Config file:

• %APPDATA%\\pyro\\config.toml

Defaults:

• capture hotkey: PrintScreen
• default target: region

Documentation

• User Guide: docs/USER_GUIDE.md
• Releasing: docs/RELEASING.md
• Local mock release script: scripts/mock-release.ps1

License

This project is licensed under GNU GPL v2 only (GPL-2.0-only), matching the Linux kernel license model.