CAD fx Releases DeltaPDF v3.1 for PDF Comparisons

Create easy-to-read comparisons for PDF designs, markup and save to PDF, batch process multiple files

FLINT, MI, Oct 9, 2018 – CAD fx, Inc. announces DeltaPDF version 3.1, a PDF comparison tool to help designers, detailers, architects and engineers more efficiently identify differences in their designs.

Some key benefits of the original DeltaPDF are:

  • Quickly identify differences using easy-to-see colors
  • Batch process pairs of PDF files between two folders or two multi-page PDF files
  • Generates comparisons in on-screen viewer or to file

New features in Version 3.1

Differences now marked by clouds:

New “Text Noise Filter” reduces false positives from PDF publishing differences:

“With the addition of clouds as a way to display differences between the original and revised drawings, we have addressed our customers’ #1 request for DeltaPDF,” according to Matt Pearson, president of CAD fx. DeltaPDF is available as a single-user license for $250 or $995 for an unlimited network license or $1750 for the command-line version. A free trial and more information is available at:

About CAD fx, Inc.

CAD fx is a provider of off-the-shelf and custom solutions addressing a wide range of BIM and engineering problems. For 26 years CAD fx continues to innovate with desktop and web-based solutions.

For more information about CAD fx, visit their website at

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