Hello everyone!
I started to make this addon for myself since I couldn’t find anything like it, but I decided to expand it more into a program everyone can use!
The purpose of the addon is to compare notes for duplicates. You can group notes based on their deck, note type or tag(s) or select them from the browser. You can then compare notes between the groups by specifying fields that need to match or by entering manual conditions yourself. Notes with either matching fields or fulfilling the conditions are seen as duplicates and you can then perform separate actions on them such as delete, (un)suspend, tagging and replacing a field for another:
It is even possible to use regular expressions! For more explanations on the manual conditions and regular expressions, please see my GitHub page or have a look at the explanations in the program itself.
Important things to know:
- You can find the program under Tools -> Note Comparer
- Please backup your notes/decks! When you make a mistake it could potentially alter/delete your notes!
- It can take a while to show a lot of duplicates after they have been found.
Also if you have found bugs / have suggestions, please mention them on my GitHub or contact me via email: ramonamerong@live.nl (or otherwise mention them below).
Releases:
- Added license V1.4 (17-9-2021)
- Added browser selection support for grouping notes V1.3 (6-3-2021)
- Added browser selection support for grouping notes V1.3 (6-3-2021)
- Added replace functionality V1.2 (6-3-2021)
- Added hierarchical deck support V1.1 (22-2-2021)
- Initial release V1.0 (21-2-2021)
Screenshots
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Reviews (4)
👍 2026-02-01
With the changes in my pull request the add-on is running again (for Anki 25.09). Look at Github: https://github.com/ramonamerong/Note-Comparer-Anki/pulls The changes have been necessary due to the update of Anki from PyQt5 to PyQt6.
Additionally a new operator is added: ‘not‘. It allows checks for missing or wrong field values in the advanced mode. For example: (G1F1 = G2F1) and (” = G1F2) and not (” = G2F2)
Until a final release is accessible you can use this new version by copying the do
👍 2025-07-27
Doesn’t open
Anki 25.02.7 (1b882285) (ao) Python 3.9.18 Qt 6.6.2 PyQt 6.6.1 Platform: Windows-10-10.0.26100
👍 2022-09-28
Good idea but giving an error:
Debug info:
Anki 2.1.54 (b6a7760c) Python 3.9.7 Qt 6.3.1 PyQt 6.3.1
Platform: Mac 12.6
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2022-09-28 14:44:57
Add-ons possibly involved: Note Comparer
👍 2021-02-21
Awesome idea, I’ve been looking for something like this. Ideally, I’d be able to select notes and mark them as related so that I don’t see them on the same day. Obviously the add on would need to be able to make more than just 2 groups of notes, but I’d love to see it progress in that direction!
