This simple add-on fixes invalid card IDs in your collection. After installing the add-on, restart Anki to apply the changes. For more information, see this forum thread.
If you don’t know whether you need to run this add-on, open Anki Card Browser and type added:1. If you see a large number of cards that you haven’t added today, install this add-on to fix them.
Anki will take a while to load the first time after installation.
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Reviews (15)
👍 2026-02-11
Doesn’t work and instructions are not helpful Comment from author Please report all problems in our chat, and they will be triaged there. https://ajatt.top/blog/join-our-community.html
👍 2024-08-22
idk how this work at all, I just read someone talk about it on reddit, and now it works, wow, be bless fr 🙏
👍 2023-07-16
fixed my problem
👍 2023-07-08
Resolved my bug: Check database is stuck on Checking history.
👍 2023-07-01
Fixed issue.
👍 2023-03-24
Still invalid timestamps. Can’t export.
👍 2023-01-25
Just had the timestamp error when trying to export an old deck of mine, and this fixed it! Thank you for sharing this wonderful addon!
👍 2023-01-18
fixed the timestamp issue
👍 2023-01-05
I kept getting this error when trying to export: “This deck contains timestamps in the future. Please contact the deck author and ask them to fix the issue.” I downloaded this add-on and the problem was magically resolved. It also fixed that annoying problem where I had hundreds of cards that Anki thought I added today.
👍 2022-12-31
This fixed my decks (Wanikani 3 and Kana) that were saying “This deck contains timestamps in the future. Please contact the deck author and ask them to fix the issue.” when I tried to export them. To check whether the cards have abnormal dates, go to Browse tab, filter cards by “added:1”, select a card and right click, and click “Info”, and you would see that they would have abnormal “Added” dates (one I had said 49153-11-04). After installing the plugin, the abnormal dates are changed to the cu
👍 2022-12-23
This did not fix the “This deck contains timestamps in the future. Please contact the deck author and ask them to fix the issue.”
PC 2.1.55 QT6.4.0
👍 2022-04-13
Fixed anki throwing errors when attempting to view card info.
👍 2022-01-24
I was having trouble seeing card information in the browser and when opening the information tab (shortcut F4) of the “Advanced Review Bottom Bar” (https://ankiweb.net/shared/info/1136455830).
This addon fixed it all! Thank you very much! Comment from author this is so amazing to read! <3
👍 2021-12-28
Works well, it fixed my collection.
👍 2021-11-26
It works! Anki takes some time to open when first used.
