Minimising the window or pressing Alt-Tab hides ChatGPT instantly, but it depends on your own reflexes every time. Docognito removes that reflex requirement by keeping the page disguised as a document for the whole session, so there is nothing urgent to react to. Set the disguise once, and stop needing to be fast.
What minimising or Alt-Tab does right now
As a reaction, this is genuinely as fast as anything on a keyboard. Alt-Tab, or Cmd-Tab on a Mac, swaps the active window in well under a second. Minimising sends the ChatGPT window to the taskbar just as quickly. Either one, done at the right moment, takes the interface off your screen before a colleague walking past has time to register what they saw.
This is also the cheapest possible method. It costs nothing, needs no setup, and works on any computer without installing anything. For a single, brief interruption, someone stopping by your desk for ten seconds, it is often enough on its own.
This is also the method most people already know without being taught it, since switching windows quickly is a skill built through years of ordinary computer use rather than anything specific to hiding a chat window. That familiarity is part of its appeal: no new habit to build, no setting to configure, just a shortcut most hands already know by feel.
Why it depends on your own reflexes
The method's entire value sits on a single condition: you noticing in time. That works when someone announces themselves, knocks, or takes a moment to walk over. It works far less reliably when someone approaches from behind, speaks before you have looked up, or catches you mid-sentence in a reply you were reading.
There is a second failure mode worth naming. Doing this correctly every single time a whole workday requires sustained attention to your surroundings, attention that competes directly with the concentration the work itself needs. A method that only works when you remember it, every time, for an entire shift, fails exactly as often as your attention lapses.
Reflex tricks and where they fail
| What people try | Where it fails |
|---|---|
| Alt-Tab the instant someone appears | Needs a warning; someone approaching from behind or speaking first gives none |
| Minimise the window to the taskbar | A hovered taskbar thumbnail or app switcher can still preview it |
| Close the tab and reopen it later | Slower than either alternative, and loses your place in the reply |
| Turn the monitor or lean in front of it | Only works while you physically stay in that position |
The row worth internalising is the first one. Every reflex method shares the same weakness: it needs a warning that does not always come.
A long working session multiplies the odds against you further, since the method only has to fail once across an entire day for the moment to matter, while it has to succeed every single time to keep working at all. That is a demanding standard to hold for hours at a stretch.
What Docognito removes from the equation
Docognito changes what needs to happen at the moment somebody looks at your screen, which is nothing. With the disguise on, the visible page, redrawn as a document editor already reads as a document editor by default, so there is no reflex to time and no window to swap away from in a hurry. The moment somebody looks over has already been handled before it happens.
the address bar, which still reads claude.ai or chatgpt.com That remains true regardless of how quickly you react, and it is why switching back to the real, undisguised tab still shows the actual site in the browser's own chrome even after the page itself has been made to look like a document.
Keeping a fast reflex anyway
Reflexes are not wasted effort, they are just not sufficient on their own.
Turn the disguise on before you start working
Set it once at the beginning of a session rather than reaching for it under pressure, since the page stays disguised until you say otherwise.
Keep Alt-Tab as a general habit, not a safety net
Switching tasks quickly is still a useful skill on its own, just not the thing carrying the actual privacy risk any more.
Use the one shortcut the extension actually has
Shift and Escape, which both hides the disguise and brings it back, and that is the only shortcut it adds. Nothing else is bound, so there is nothing extra to remember under pressure.
The wider question of whether a colleague can tell you are using ChatGPT covers signs that have nothing to do with reflexes or window placement at all.
A reflex that only works when you remember it
Minimising or Alt-Tabbing away is free and fast, and it is fine as a reflex for a brief, single interruption you happen to catch in time. It fails exactly when you would need it most, an approach from behind, a sudden interruption, a long stretch of divided attention, because it needs you to react correctly every single time. Docognito removes that dependency by disguising the page before anyone looks, rather than after.
Keep the reflex for general habit, and let Docognito carry the moments your reflex misses.