Altium Gerber Compare

Introduction

Altium Gerber Compare is a free online Gerber file comparison tool by Altium that runs directly in the browser with no installation or registration required. It supports drag-and-drop import of Gerber files, color-coded difference visualization (red for old data, green for new data), layer-by-layer comparison, side-by-side view, 2D measurement, and a detailed differences pane for quick identification of PCB design changes.

Features

• Free online tool, no installation or registration required
• Supports RS-274X and Gerber X2 formats from major ECAD tools
• Color-coded difference display (red for old, green for new)
• Layer-by-layer graphical comparison with side-by-side view
• 2D Gerber measurement tool
• Differences pane with bi-directional cross-probing