A script to easily check all completed giveaways if won
Install Tampermonkey and then click here.
Navigate to your library (My Account > My Libraries) and open the "Giveaways Library"-Tab. Next to the "Completed"-Tab a new button labeled with "Check all if won" should appear. Click on it and wait. When finished a dialog appears with a summary.
I don't take any responsibility for damage caused by this software. Use this software at your own risk.
1.1.0 replaced call to /giveaways/check_if_won with /giveaways/check_if_won_all
1.0.1 Improved error handling
1.0.0 Initial Release