Let large downloads finish. Keep your screen on while downloading so sleep does not interrupt the transfer.
Ready. Choose a duration and press Start.
Some downloads and uploads slow or pause when a device sleeps. Keeping the screen on helps the session stay active.
Press Start, keep the tab visible, and watch progress without the display turning off.
Large media, games, and backups.
Keep uploads visible until complete.
See the progress bar the whole time.
Match the duration to your transfer.
No, but it prevents sleep from interrupting an active session.
Yes, the wake lock needs the tab to stay visible.
System sleep follows OS settings; this keeps the display awake.