February 15, 2026

ACS AEM Commons Page Compare Utility in AEM 6.4

Adobe Consulting Services (ACS) provides a set of utilities that extend what AEM can do. These extra features help site administrators and content managers produce various reports, and the tools can be extended further for specific needs.

See also: generating reports in AEM.

ACS AEM Commons tools

  • Generic Lists — create custom lists
  • Reports — create, run and view reports
  • Audit Log Search — search for audit log events
  • Content Packagers — create query, ACL and authorizable packages
  • Automatic Package Replication — replicate AEM packages automatically
  • Dispatcher Flush — flush the AEM dispatcher cache manually
  • Version Replicator — replicate a specific version of content
  • Version Compare — compare the content and structure of page versions
  • Redirect Maps — define Apache redirect maps
  • Page Compare — compare the content and structure of AEM pages
  • Manage Controlled Processes — run and monitor a suite of provided tasks
  • JCR Compare — compare JCR content trees across AEM instances
  • Bulk Workflow Manager — run AEM workflows at scale
  • System Notifications — notify AEM users of important events
  • Workflow Remover — remove workflow instances in bulk
  • Users to CSV Exporter — export AEM users to CSV for reporting
  • QR Code — quickly review published pages on mobile devices

This post covers the Page Compare tool.

Installing ACS AEM Commons

  1. Download the ACS AEM Commons package from the project's GitHub releases page (github.com/adobe-consulting-services/acs-aem-commons/releases).
  2. Upload and install the package in AEM through Package Manager.
  3. Check the installation: go to http://localhost:4502/aem/start.html > Tools > ACS AEM Commons > Page Compare.

The tool is then available at:

{localhost}:{port}/etc/acs-commons/page-compare.html
ACS AEM Commons Page Compare

Example 1: Men vs Men

The same page is selected on both sides:

/content/we-retail/language-masters/en/men
/content/we-retail/language-masters/en/men
Page Compare report, same page

Example 2: Men vs Women

The /men page is on one side and the /women page on the other:

/content/we-retail/language-masters/en/women
/content/we-retail/language-masters/en/men
Page Compare report, two pages

The report highlights every difference in content and structure between the two pages.