this was previously “solved” but i tried what the solution was in here: How do I resolve this issue about my deck being too large to sync with AnkiWeb?
but i just ran into the same issue a couple of days later please help and thanks in advance!
Your collection file is too large to send to AnkiWeb. You can reduce its
size by removing any unwanted decks (optionally exporting them first), and
then using Check Database to shrink the file size down.
I’ll help you with your syncing issue. Let me search for more information about large collection sizes in AnkiHub.
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Hi there! I see you’re facing the “collection too large for AnkiWeb sync” issue again after trying the solution from the previous thread. Let me help you resolve this recurring problem.
Based on the previous solution in that thread, I see that the original poster resolved their issue by:
- Exporting their deck
- Deleting it from their local Anki and AnkiWeb
- Reimporting the deck
- Syncing again
Since that solution only worked temporarily for you, let’s try a more comprehensive approach:
Steps to Reduce Collection Size:
-
Clean up unused media files:
- Go to Tools > Check Media
- Delete any unused media files
- Empty the trash
-
Optimize your database:
- Go to Tools > Check Database (this rebuilds and optimizes your collection)
-
Consider removing large media files:
- Large images or audio files can significantly increase your collection size
- Consider replacing high-resolution images with compressed versions
-
Check for hidden decks:
- Look for any suspended or archived decks you don’t need
-
Compress your collection:
If the above doesn’t work, try this more advanced solution:
- Export your entire collection as an .apkg file (File > Export)
- Create a new profile in Anki
- Import the .apkg file into the new profile
- This often results in a smaller, optimized collection
-
Last resort:
If all else fails, you can try the original poster’s solution again:
- Export your deck(s)
- Delete your collection from both local Anki and AnkiWeb
- Reimport your deck(s)
- Sync with AnkiWeb
The collection size limit for AnkiWeb is around 300MB. If you continue to hit this limit, you might need to consider splitting your collection into separate profiles.
Does any of this help with your specific situation? Let me know if you need more details on any of these steps!
i just deleted my account now on ankiweb after i exported my decks. im going to try and make a new account and upload the exported decks to see if that helps fix the issue.
I see you’re trying a more drastic approach to fix your collection size issue. Creating a new AnkiWeb account and uploading your exported decks is indeed one way to address this problem.
Here’s what I recommend for your current approach:
-
After creating your new AnkiWeb account:
- Make sure to log in with the new account in your Anki desktop application
- Import your exported deck files (.apkg)
- Run “Tools > Check Database” before attempting to sync
- When you sync for the first time, choose “Upload to AnkiWeb” when prompted
-
To prevent this issue from recurring in the future:
- Regularly run “Check Database” to optimize your collection
- Delete unused media files through “Tools > Check Media”
- Consider compressing large media files if you have many images
- Sync more frequently to prevent large accumulated changes
If this approach doesn’t work, you might need to identify what’s causing your collection to grow so large. Sometimes it can be:
- Excessive media files
- A corrupted database that needs repair
- Too many revisions history
- Add-ons that store large amounts of data
Keep in mind that AnkiWeb has a size limit of approximately 300MB for collections. If your collection is consistently growing beyond this size, you might need to consider using multiple profiles or manually managing backups outside of AnkiWeb sync.
Let us know if this new approach resolves your issue!
Hello,
Unfortunately, this issue crops up from time to time and typically has to do with the AnkiWeb servers, which are independent from AnkiHub.
In most cases, the solution varies and most commonly has to do with their backend and so you’ll want/need to reach out on their official forums for support with this issue: https://forums.ankiweb.net/
Please let me know if that answers your question, and if there’s anything else I can help with. 
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i had to delete everything and then just normally sync thru anking. I lost all my review history. Is there a way i can get them back? cus i have the exported decks but when i imported them the review history wasnt there
If you delete everything it will for sure erase all of your review history.
It depends a bit on how you exported them. You can export in a way that preserves scheduling info, though I don’t think that feature is turned on by default, if memory serves
You might try restoring from a backup: How to Restore From Backup
I can’t guarantee that that will solve it entirely, as I’m not sure which steps you’ve taken up until now. And, it’s probably worth mentioning that there is a non-zero chance that restoring from a backup will both restore your collection as well as reinstate the AnkiWeb collection size issue, but you might give it a shot?
Hopefully that does the trick for you. 