Online tools

All of these have offline versions that are not subject to walltime restrictions.

Anti-spam

• Cross-wiki linksearch: Searches multiple Wikimedia wikis for a given domain simultaneously.
• Mass linksearch: Searches one Wikimedia wiki for multiple domains simultaneously.
• External link checker: Counts how frequently domains linked to in a given article are used in the rest of a given wiki.
• Spam archive search: Searches archives of various spam reporting venues for a given string.

New page patrol

• NPP checker: Lists articles reviewed by a given user.

Copyright violations

• Contribution surveyor: Lists all major edits by a given user, sorted by size.
• Image contribution surveyor: Lists all images a user has uploaded that haven't yet been deleted on a given wiki and Wikimedia Commons.
• Passage comparison: Compares two texts for common passages.

Miscellaneous

• Article-editor intersection: For a given set of articles, find the common editors.
• Prefix contributions: Gets contributions of a bunch of users/IPs with a common prefix (somewhat superseded by range contributions in Special:Contributions).
• Javadoc for Wiki.java, utilities and tools

Copyright (C) MER-C 2007-2026. These tools are free software: you can redistribute and/or modify them under the terms of the Affero GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Source code is available at Codeberg. Report bugs at my talk page or the Codeberg issue tracker.