Visual Multitool
by Papyrus Software

  Visual Multitool is a file viewer, finder, and editor. You can select a set of folders and drives that will be searched for a text with many-option filters. Files are displayed in multiwindows arranged in many optional ways. The occurrences of the search text are highlighted. You can move easily between occurrences in multidocuments eventually making modification or automatic replacement by another text.
It has a unique built-in feature that allows you to restart the history of changes of documents during a session and replay the changes with different speeds, stopping and restarting animation at any time. This feature can be extented to include previous sessions.
It can display HTML files in multi-windows where you can move between thousands of documents and toggle between sources and web views. You can use it, as well, to find file duplicates and in copying or renaming multiple files.

Related software:
file, search, duplicate, html, text, ...