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PDF Comparator uses Mac OS X's built-n ability to render PDF files to compare two PDFs, page by page, and pixel by pixel. It then displays the results in an intuitive and easy to understand display. PDF Comparator provides lots of control over how the PDFs are rendered for comparison including resolution, which PDF "box" to compare, and the sensitivity of how different two pixels must be to be considered "different." PDF Comparator is a great tool for PDF content creators who need to be sure that a PDF file contains all the changes that were supposed to be made (and none that were not).

What's New

Version 3.0.12: Release notes were unavailable when this listing was updated.


Mac OS X 10.4.11 or later

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PDF Comparator User Discussion

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Neil_m Member IconComment+179

If you are comfortable with the command line - try the links here http://tug.org/pipermail/macostex-archives/2011-February/046566.html
xpf tool set. free.

Reply0 replies
Version 3.0.12
Bluestar Member IconComment+207

I don't think "Comparator" is a word and mos def not English...

Reply1 reply
Version 2.5.1

It is English.

comparator |kəmˈparətər|
a device for comparing a measurable property or thing with a reference or standard.
• an electronic circuit for comparing two electrical signals.
• something used as a standard for comparison.
ORIGIN late 19th cent.: from Latin comparat- ‘paired, matched,’ from the verb comparare (see compare ), + -or 1 .

Jeffk Member IconComment+12

I can see a use for this (I'm often asked to confirm that a signed contract matches the PDF original), but the asking price is ridiculous.

Reply0 replies
Version 2.5.0
Masterminter Member IconComment+128

Maybe it is me, but paying $125 for such a simple app is just stupid.
I mean, there are tons of alternatives doing it for free.


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Version 2.5.0
user icon+2
Version 3.0.12
> 5 1


Current Version (3.x)


Downloads 6,134
Version Downloads 3,692
License Demo
Date 14 Jul 2011
Platform OS X / PPC 32 / Intel 32
Price $125.00
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