Altova DiffDog Professional Edition

Compare and merge tool.

Published by Altova
Distributed by ComponentSource since 2004

Prices from: $ 182.69 Version: 2026 Release 2 NEW Updated: May 27, 2026

Screenshot of Altova DiffDog Professional Edition

Altova DiffDog Professional Edition

Altova DiffDog Professional Edition allows you to diff/merge of text files, folders, and directories. It also includes XML-aware comparison options.

Altova DiffDog Professional Edition

XML DifferencingWhen you select two XML files to compare, DiffDog opens them side-by-side and indicates differences with colored highlighting and connecting lines.
XML DifferencingWhen you select two XML files to compare, DiffDog opens them side-by-side and indicates differences with colored highlighting and connecting lines.
File Differencing
File Differencing
Folder Differencing
Folder Differencing
Click for more

Image 1 / 4

XML DifferencingWhen you select two XML files to compare, DiffDog opens them side-by-side and indicates differences with colored highlighting and connecting lines.
File Differencing
Folder Differencing

Altova DiffDog Professional Features

File Comparison

  • Compare any two text files and indicate differences with colored highlights and connecting lines.
  • Bi-directional merging of individual differences and direct editing of files in comparison window.
  • Unlimited Undo/Redo for editing and merging.
  • Saves file selections in a comparison settings document for reload later.

XML Comparison

  • Multiple options for XML-aware comparisons, such as entity resolution, ignore attribute order, etc.
  • Well-formedness...
Learn more about Altova DiffDog Professional Edition

Latest News

Simplify File Cleanup with Smarter Deduplication
Simplify File Cleanup with Smarter Deduplication
April 22, 2025Product Update
DiffDog 2025 Release 2 enhances duplicate file management with powerful new options for safe and efficient cleanup.
Optimize Storage with Duplicate Detection
Optimize Storage with Duplicate Detection
November 6, 2024Product Update
DiffDog 2025 enables efficient file management by finding and removing duplicate files, enhancing data integrity and streamlining workflows.
Altova DiffDog 2023 Release 2
Altova DiffDog 2023 Release 2
April 12, 2023New Version
You can now export HTML reports comparing differences in files, folders or directories.
Altova DiffDog Professional Edition 2022
Altova DiffDog Professional Edition 2022
October 28, 2021New Version
Adds support for Microsoft Windows 11.
Altova DiffDog Professional Edition 2021
Altova DiffDog Professional Edition 2021
October 14, 2020New Version
Improves support for MariaDB.
Altova DiffDog Professional Edition 2020 Release 2
Altova DiffDog Professional Edition 2020 Release 2
March 17, 2020New Version
Adds support for additional database versions.
More News

Prices from: $ 182.69

Installed User Licenses - Installed User licenses are purchased per number of computers on which you would like to install the software. For example, if you purchase a 10 Installed User license, you...
More on Licensing

Altova DiffDog Professional Edition is also available in:

Got a Question?

Live Chat with our Altova licensing specialists now.

Altova
As official and authorized distributors, ComponentSource supplies you with legitimate licenses directly from Altova.
More about Altova
Operating System
  • Windows 10 and Windows 11, as well as Windows Server versions 2016, 2019, 2022, and 2025.
More on Compatibility

Recent Awards

PublisherPublisherPublisher