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Turn on Archive idle tabs

When Archive idle tabs is on, Sval moves tabs you haven’t used for a set time out of their Workspace and into History, under Archived tabs. You can get any of them back from there.

Your Work Workspace fills up with tabs you opened once and never went back to. You want the old ones gone without closing each one yourself.

  1. Open Settings › Workspaces.
  2. Under Idle tabs, check Archive idle tabs.
  3. In After, choose how long a tab can go unused.
  1. At the top of the panel, right-click the Workspace’s name.
  2. Choose Edit….
  3. In Archive idle tabs, choose a time, or Never.
  4. Select Save.

A Workspace starts on Use Default, which follows your choice in Settings. A Workspace’s own choice applies even when Archive idle tabs is off in Settings.

  • Archive idle tabs is off until you turn it on. Turning it on picks 7 Days. The other times are 12 Hours, 24 Hours, and 30 Days.
  • A tab counts as used when you go to it, click in it, or type in it, and stay on it for a few seconds. A use on any of your devices counts.
  • Sval never archives a tab that’s in a group, a tab you’re looking at in any window, or a tab that’s playing sound, kept awake with Keep Awake, in picture-in-picture or a call, or holding text you typed.
  • A Split is archived only when all of its tabs are idle, and comes back whole.
  • Keep archived tabs for sets how long History keeps an archived tab: 7, 30, or 90 days. It starts at 30 days.
  • Both settings sync to your other devices.
  • Tabs in a private window are never archived.

© 2026 Ellm Tree, Inc. Sval is not officially associated with Mozilla or its products. Firefox is a trademark of the Mozilla Foundation in the US and other countries.