Image Diff Tool

Client-side image comparison tool. Supports Swipe, Overlay, Side-by-Side, and Diff Highlight modes to easily find pixel-level differences.

Original Image (Before)

Click, Drag & Drop or Ctrl+V to paste

Comparison Image (After)

Click, Drag & Drop or Ctrl+V to paste

Instructions

Image Diff Tool runs entirely in your browser. Your images are not uploaded to any server.

Quick Start

  1. Drag & drop or click to upload 'Original Image' and 'Comparison Image'.
  2. Supports direct paste (Ctrl+V). The system will fill empty slots sequentially.
  3. After uploading, use the top control bar to switch between different comparison modes.

Modes

  • Swipe Mode: Drag the divider left/right to intuitively compare differences.
  • Overlay Mode: Adjust opacity to overlay images. Best for layout fine-tuning. Supports 'Unlock Move' for manual alignment.
  • Side-by-Side: Display images side by side with synchronized scrolling and zooming.
  • Diff Highlight: Automatically calculates pixel differences and highlights them. Also supports manual alignment.

Privacy & Security Statement

Your data security is our top priority. This tool uses Client-side Computing technology, meaning all processing happens instantly on your device (phone or computer).

This means: No content you enter is ever uploaded to the internet or our servers. Whether it's confidential documents, private diaries, or code, you can safely paste and process it here.