ProofLens – Auto-align and strobe compare tool for packaging design

Summary: ProofLens is a lightweight Windows desktop tool that auto-aligns files and highlights differences between versions instantly. It supports multi-page PDFs and features a strobe mode that flashes between versions to reveal subtle changes quickly.

What it does

ProofLens automatically aligns design files and compares multiple pages by flashing between versions to detect shifts or missing elements. It requires no installation and runs directly on Windows.

Who it's for

It is designed for packaging designers and professionals who need precise, efficient proofing without complex enterprise software.

Why it matters

ProofLens eliminates manual proofing errors and reduces the time spent spotting minor design changes.