If you sync a type of data, deleting it on your computer will delete it everywhere it's synced. It'll be removed from other devices and your Google Account.
- On your computer, open CryptoTab Browser.
- At the top right, click More.
- Click More tools -> Clear browsing data.
- Choose a time range, like last hour or all time.
- Select the types of information you want to remove.
- Click Clear browsing data.