🖼️ Side-by-Side Image Viewer

A lightweight, multi-folder image viewer for comparing images side by side.

Built with Python and Tkinter — no heavy dependencies, just simplicity.

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✨ Features

Feature	Description
Multi-folder compare	Load multiple image folders and view them side by side
Flexible grid layout	Adjustable column count with resizable panes
Zoom & Pan	Scroll to zoom (cursor-centered), click-drag to pan
Keyboard navigation	Arrow keys to browse, Home/End to jump
Natural sorting	Files are sorted naturally (img2 before img10)
EXIF auto-rotation	Images are automatically oriented correctly
Fit / Original mode	Toggle between fit-to-canvas and native resolution
Removable panels	Close any folder panel with a single click

📦 Installation

Prerequisites

• Python 3.10 or higher
• Tkinter (usually included with Python)

Setup

# Clone the repository
git clone https://github.com/GoodarzMehr/SideBySideImageViewer.git
cd SideBySideImageViewer

# Install dependencies
pip install -r requirements.txt

🚀 Usage

python viewer.py

1. Click "+ Add Folder" to load an image directory.
2. Add more folders to compare images side by side.
3. Use ← → arrow keys to navigate through images.
4. Scroll to zoom in/out (centered on cursor).
5. Click and drag to pan around zoomed images.

Keyboard Shortcuts

Key	Action
←	Previous image
→	Next image
Home	Jump to first image
End	Jump to last image

Supported Formats

PNG, JPG, JPEG, BMP, GIF, TIFF, TIF, WebP

🔧 Configuration

The toolbar provides quick access to:

• Columns — set how many folders appear per row (1–10)
• Mode: Fit / Original — toggle between fitting images to the canvas or displaying at native resolution

Pane dividers are draggable, so you can resize each panel freely.

📄 License

This project is licensed under the MIT License — see the LICENSE file for details.