GerbDiff

Compare two revisions of a PCB design side-by-side, overlaid, or with XOR diff highlighting. Instantly spot changes across every layer.

Download for Windows

See It in Action

Watch GerbDiff compare two PCB revisions in real time

Features

Everything you need to compare Gerber revisions

Side-by-Side & Overlay

Compare two Gerber projects with synchronized pan and zoom. Switch between side-by-side and color-coded overlay views.

XOR Diff Highlighting

Pixel-level XOR diff mode instantly reveals every copper change, trace edit, and pad modification between revisions.

Automatic Layer Matching

Detects and pairs layers across project revisions automatically. Supports copper, soldermask, silkscreen, drill, and more.

Change Region Detection

Clusters individual pixel differences into meaningful change regions. Navigate between them with N/P hotkeys.

Measurement Tool

Measure distances directly on the board in mils or millimeters. Click to place measurement points with live readout.

Export Reports

Generate PNG screenshots or self-contained HTML diff reports to share with your team or archive for review.

Full Gerber Support

X1, X2, aperture macros, step-and-repeat, Excellon drill files. Handles real-world production Gerbers from any EDA tool.

Auto-Alignment

Automatically registers boards even if origins differ between revisions. No manual alignment needed.

Download

Get started with GerbDiff today

Latest release: v1.0.1 — Windows 10/11 (x64)

Download GerbDiff

Note: The installer is not code-signed yet, so Windows SmartScreen may show a warning. Click "More info" then "Run anyway" to proceed.

Contact

Questions, bugs, or feature requests? Get in touch.

Email

Reach out directly

ben@gerbdiff.com