Zooming in and out on TradingView is simple:         1.   Use your mouse’s scroll wheel to zoom in or out.  …

To change the background color of your chart:         1.   Right-click on the chart and select “Settings”.        …

To reset your chart back to default settings:        1.   Right-click on the chart and select “Settings”.         2.  …

To change the timeframe of your chart:         1.   Use the Timeframe dropdown on the top toolbar.        …

To change the timezone on your chart:         1.   Click on the clock icon/time at the bottom-right corner of your chart….