Blitz through dataset prep. High-speed image snapshots for AI training. Crop, rotate, frame — capture and move on instantly.

Features

• Bulk Import: Drag & drop entire folders
• Transform in Seconds: Scroll to zoom, Shift+scroll to rotate, drag to position
• Rapid Capture Loop: Space → export, Arrow → next image, repeat
• Export Options: 512 / 1024 / 2048px squares, black, white or transparent background
• Zero Setup: Works in browser or as standalone Windows app

Built for AI training workflows: Stable Diffusion, LoRA, data augmentation.

Quick Start

Option 1: Download Pre-built Executable (Easiest)

No coding required! Simply download and install:

1. Go to the Releases page
2. Download HyperSampler.Setup.x.x.x.exe
3. Run the installer
4. Done!

Option 2: Run in Browser (Recommended for Development)

1. Install Node.js (LTS version)
2. Double-click start-web.bat
3. The app opens automatically at http://localhost:3000

The script handles everything: installs dependencies, pulls updates, and launches the dev server.

Manual commands

npm install
npm run dev

Build for production: npm run build (output in dist/)

Option 3: Build Desktop App from Source

1. Install Node.js (LTS version)
2. Double-click build-windows.bat
3. Find your executable in dist-electron\

Controls

Mouse Controls

• Drag: Position the image
• Scroll wheel: Zoom in/out (0.01x to 5x)
• Shift + Scroll: Rotate the image
• Side buttons (3/4): Navigate Previous/Next image

Keyboard Controls

• Spacebar: Capture and download screenshot
• Arrow Left/Right: Navigate between images
• Escape: Exit to file selection

Technical Details

• Framework: React 18 + Vite
• Desktop App: Electron 28
• Canvas API: HTML5 Canvas for image rendering
• Resolution: 512, 1024 or 2048px square output
• Supported Formats: PNG, JPG input