Note: Collection uploading is not possible using Arcane Tracker due to system limitations. In order to upload your collection, use Hearthstone Deck Tracker on your PC or HSTracker on your Mac. Continue reading if you're having trouble with these supported applications.
In order to upload your collection, launch Hearthstone Deck Tracker or HSTracker along with Hearthstone. Click on the "My Collection" button in Hearthstone, and after a few seconds, you should see a banner notifying you that it's been uploaded to our server.
A common issue with this is when the decktracker gets out of sync with HSReplay.net. Perform the following steps: