Frequently asked questions helps you to know what's take up your Google Drive storage. It does that by visualizing your storage to a nice interactive sunburst diagram. is an approved app by Google to scan your Google Drive. We use use Google Drive API to collect the file name, URL, and file size from your Google Drive and visualize it.

No. We can only see the file/folder names, the URLs, and the size of your files. We cannot read or download any content from your Google Drive. Check out Google's document about the permission we are requesting here.

Your data is private. You must be logged in to your Google account to view your scan result. No one else can do that. Try to open your scan result link in an incognito mode to see how it work.

Your data (the scan result) is stored securely in your own Google Drive, under the application-specific data folder. No one except you can read your scan result data.

Your access token is deleted from our server after your scan is completed. When you view the result, we ask for your access token again so we can pull the scan result from your Google Drive and render it. Your access token will then be deleted 5 minutes after that. If you noticed you have to login again every 5 minutes, that's why.

In the scenario where got hacked, the attacker have nothing of your Google Drive data. We do our best to protect you and your data, if you have any concern, feel free to reach out to us!

Very easy. Go to your Google Drive, click the gear icon, select Settings, select Manage Apps. You will find "" in the application list and the amount of data it is using. Click Options and select "Delete app data".

Some documents don't take up your storage and will show as "0B" in your report. For example, files from Google Docs, Google Spreadsheet, Google Slides, etc., are all zero bytes. This is not a bug.

You may see a different in the storage size reported by and what you see in your Google Account. This is because only scan your Google Drive, there are other Google products that doesn't scan: Google Photos, Gmail, etc.