ComparePDF is an application for comparing PDF files.
Qtrac Ltd.
https://www.qtrac.eu/comparepdf.html
190
Software
Qtrac Ltd.
Use ComparePDF to compare PDF files quickly and easily:
Click and choose one PDF; click and choose another PDF; click Compare.
ComparePDF is a commercial Windows graphical user interface (GUI) application ideal for office workers. (See also Why Compare PDFs?)
ComparePDF shows pairs of pages from the two PDFs being compared with any differences highlighted as if with a highlighter pen shown in your PDF reader application. Comparisons can be made based on the text regardless of layout, or based on appearance (which accounts for fonts, colors, layout, diagrams, images, etc.)
ComparePDF is useful for anyone who needs to compare PDF documents, reports, books, or labels—for example, archivists, engineers, journalists, packagers, publishers, researchers, software testers, and translators. ComparePDF is used in a wide range of contexts, from book authors to banks, insurance companies, and Government. (Screenshots.)
ComparePDF is an alternative to DiffPDF. ComparePDF is much faster and produces much higher quality PDF reports—but it is 64-bit only and has fewer features. To see which is the best tool for your needs see ComparePDF vs. DiffPDF. And if you require a console-command line tool-use our comparepdfcmd program instead.)
"Your software is the best I've ever used for comparing PDFs.", —customer feedback.
You can try ComparePDF free for up to 20 days using a trial license key. And you can buy a full license key for ComparePDF that has no time limit for $190 USD plus local sales tax (or local equivalent for many major currencies) using the secure MyCommerce platform. Tiered price discounts are applied if you buy at least 10 license keys—these are shown when you click Buy Now. (Purchasing departments: ComparePDF's Product ID is 51410-13.) Annual Site Licenses are also available.
ComparePDF is a 64-bit application that will work on 64-bit Windows 7, Windows 8, and Windows 10, on computers that have x86-compatible processors, i.e., almost all desktop and laptop computers.
To get a free trial:
If you want to buy one or more licenses, visit
Buy
Now. Alternatively, run ComparePDF, check the Show Options checkbox,
click the Register tab, and press the Buy Now button.
Once you've completed your purchase the confirmation page will
show a “get key” link and an Order ID (which will also be emailed
to you). You can then use this to acquire as many license keys as you
purchased on each computer you want to use. The manual (click the Help
button) explains how to acquire and register a license key once you've
purchased.
Or you could buy an Annual Site License.
You can read the manual without even installing the software: Manual (501 KB).
We recommend trying before buying, since license key purchases can't be refunded.
Note that each free trial and full license key (but not site license keys) are tied to the particular computer it is acquired on. Each such license key is valid for all minor and patch versions (e.g., if acquired for version 1, it is valid for all 1.x.y versions). There is no time limit for full license keys—providing the hardware (and how Windows reports it)—don't change.
Free trials and full licenses are governed by the comparepdf-license.pdf (25 KB) and site licenses are governed by the Qtrac PDF Comparison Software Site License (21 KB).
Here is ComparePDF's user interface with the options hidden (because the Show Options checkbox is unchecked). The application has lots of extra options for when you need them.
Here is an example of a PDF difference report on Windows 10 using the SumatraPDF reader. ComparePDF will use whichever PDF reader you have installed and set as your default.
We always recommend using the most recent release. These are kept available for those who want to use specific previous versions. (For details of the changes between versions, see the Changes page.)
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