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Perplexity Keeps Logging Out – Fix Session Not Retained

PerplexityLogin & AccessUpdated May 17, 2026
Quick Answer

If Perplexity keeps logging you out, the most common cause is browser cookies being blocked or cleared automatically. Fix it by going to your browser's cookie settings and allowing perplexity.ai to store cookies, then disable any 'clear cookies on close' setting. Browsers in private/incognito mode always log you out on close — this is by design. If you use a normal browser window but still get logged out, the issue is typically a cookie-blocking extension or a strict browser privacy setting.

Step-by-Step Fix

1. Identify the Logout Pattern

Before applying a fix, determine when the logout happens — this identifies the root cause:

  • Logged out every time you close the browser? → Cookie auto-clear setting or private browsing mode
  • Logged out after switching tabs or apps? → Browser memory management or aggressive extension
  • Logged out mid-session without any action? → VPN IP rotation, extension, or tracking protection
  • Logged out when signing in with a different method? → Multiple account session conflict

2. Fix: Allow Cookies for perplexity.ai

Perplexity stores your session in a first-party cookie at perplexity.ai. If that cookie is blocked or deleted, you are logged out. Here is how to allow it in each major browser:

Chrome:

  1. Go to chrome://settings/cookies
  2. Under "Sites that can always use cookies," click Add
  3. Enter perplexity.ai and check "Including third-party cookies on this site"
  4. Click Add
  5. Also ensure "Clear cookies and site data when you close all windows" is disabled

Firefox:

  1. Go to about:preferences#privacy
  2. Under Enhanced Tracking Protection, click Manage Exceptions
  3. Enter https://perplexity.ai and click Allow
  4. Under "Cookies and Site Data," make sure "Delete cookies and site data when Firefox is closed" is unchecked

Safari (Mac):

  1. Go to Safari → Settings → Privacy
  2. Ensure "Block all cookies" is unchecked
  3. Under "Advanced → Website Privacy Report," confirm perplexity.ai is not being restricted

Edge:

  1. Go to edge://settings/content/cookies
  2. Under "Allow," add perplexity.ai
  3. Disable "Clear browsing data when you close the browser"

3. Fix: Disable Cookie-Clearing Extensions

If you use privacy extensions, they may be deleting your Perplexity session:

Cookie AutoDelete:

  1. Click the Cookie AutoDelete extension icon
  2. Go to Whitelist
  3. Add perplexity.ai to the permanent whitelist
  4. Save changes

uBlock Origin:

  1. Click the uBlock Origin icon while on perplexity.ai
  2. Click the power button to disable uBlock for this domain
  3. If you want to keep uBlock active, go to the Dashboard → Filter Lists and check whether any cookie-blocking rules apply to perplexity.ai

Privacy Badger:

  1. Click the Privacy Badger icon while on perplexity.ai
  2. Toggle the slider for perplexity.ai to green (allow)

4. Fix: Stop Using Private/Incognito Mode

Private or incognito windows are designed to delete all cookies when the window closes. If you use Perplexity primarily in incognito mode, you will be logged out every time you close the window — this is expected behavior, not a bug.

Switch to a regular browser window for your Perplexity sessions. If you prefer private browsing for other reasons, consider using a separate browser (e.g., use Firefox in regular mode for Perplexity, Chrome for other private browsing).

5. Fix: Address VPN-Caused Logouts

If your VPN is causing session invalidation:

  1. Open your VPN app and go to Settings → Split Tunneling (or Per-App VPN)
  2. Add your browser to the split-tunneling exclusion list, or add perplexity.ai as a domain exclusion
  3. This routes Perplexity traffic directly without going through the VPN, preventing IP changes from invalidating sessions
  4. Alternatively, connect to a VPN server with a dedicated/static IP instead of a rotating shared IP

6. Fix: Use the Perplexity Mobile App Instead of Mobile Browser

If the logout problem is on mobile, switching from a mobile browser to the Perplexity app (iOS App Store or Google Play) typically solves the issue permanently. Mobile apps store authentication tokens in secure device storage rather than the browser's cookie jar, which is far less likely to be cleared by the OS or browser memory management.

7. Verify the Fix Worked

After applying the fix, test the session persistence:

  1. Sign in to Perplexity in your browser
  2. Close the browser completely (all windows/tabs)
  3. Reopen the browser and navigate to perplexity.ai
  4. You should land on the Perplexity interface while still signed in — no login prompt

If you are still logged out, repeat step 2 (cookie settings) and confirm the perplexity.ai exception was saved correctly.

Browser-Specific Fixes at a Glance

Each major browser has a slightly different path to the settings you need to change. Here is the fastest path for each:

Chrome (desktop): Go to chrome://settings/cookies → Under "Sites that can always use cookies" → Add perplexity.ai. Also go to chrome://settings/privacy and confirm "Clear cookies and site data when you close all windows" is off.

Firefox (desktop): Go to about:preferences#privacy → Enhanced Tracking Protection → click "Manage Exceptions" → add https://perplexity.ai and click Allow. Under "Cookies and Site Data," uncheck "Delete cookies and site data when Firefox is closed."

Safari (Mac): Go to Safari → Settings → Privacy. Uncheck "Block all cookies." For per-site exceptions, go to Settings → Privacy → Manage Website Data → find perplexity.ai → remove it from blocked list if present.

Edge: Go to edge://settings/content/cookies → "Allow" list → add perplexity.ai. Also confirm "Clear browsing data" on browser close is disabled.

iOS Safari: Settings → Safari → uncheck "Block All Cookies." Also go to Settings → Safari → Advanced → Website Data — confirm perplexity.ai data is not being cleared automatically.

Chrome on Android: Chrome → three-dot menu → Settings → Privacy and Security → "Clear browsing data" — confirm "Cookies and site data" is not set to auto-clear on exit.

Logout Cause Diagnostic Table

Use this table to match your symptoms to the most likely cause and fastest fix:

| Symptom | Most likely cause | Fix | |---|---|---| | Logged out every time browser closes | Cookie auto-clear setting OR private mode | Allow cookies for perplexity.ai; switch to regular window | | Logged out mid-session randomly | VPN IP rotation OR cookie-deleting extension | Disable VPN or add perplexity.ai to split tunnel | | Logged out after switching apps on mobile | iOS/Android memory management | Use Perplexity mobile app instead of mobile browser | | Logged out when opening a second account | Multiple account session conflict | Use separate browser profiles for each account | | Logged out after browser update | Browser reset privacy settings | Re-allow cookies for perplexity.ai in browser settings | | Logged out on corporate network | Network proxy stripping session cookies | Test on personal hotspot; report to IT if persistent |

Why This Happens

Perplexity uses standard browser session cookies to maintain your login state. This is the same mechanism used by most web services. The session cookie is a small file stored on your device that tells Perplexity's servers "this is the authenticated user." When that cookie is deleted — by browser settings, extensions, private mode, or OS memory management — the server sees an unauthenticated request and redirects you to the login page. Perplexity does not have a "remember me" toggle because their session architecture relies on the browser respecting the cookie's expiry period, which is typically set to several days or weeks. The fix is always to ensure the cookie is stored and not deleted prematurely.

Common Mistakes to Avoid

  • Using incognito mode as your default Perplexity browser. Incognito windows delete all cookies on close — this is a feature, not a bug. You will always be logged out when the incognito window closes. Use a regular browser window for Perplexity.
  • Assuming the problem is Perplexity's fault without testing in a clean browser. Before contacting support, open Perplexity in a browser with no extensions and cookies allowed. If the logouts stop, the issue is a local extension or setting.
  • Whitelisting the wrong domain. Make sure you whitelist perplexity.ai (not www.perplexity.ai or app.perplexity.ai) in your cookie exceptions. The main domain covers all subdomains.
  • Ignoring VPN IP rotation as a possible cause. If you use a VPN with rotating IPs and experience random mid-session logouts, the VPN is the most likely cause. Test by disconnecting the VPN temporarily.
  • Not checking antivirus web shield settings. Many users forget that antivirus software with a browser shield can intercept and delete session cookies. Temporarily disabling the web shield for testing is a quick way to rule this out.

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Frequently Asked Questions

Perplexity stores your login session in a browser cookie. If that cookie is cleared when you close the browser, you are logged out. This happens for three main reasons: you are using a private/incognito window (which deletes all cookies on close by design), your browser has a 'clear cookies on exit' or 'clear browsing data on close' setting enabled, or a browser extension like Cookie AutoDelete or Privacy Cleaner is wiping cookies when the session ends. To fix it permanently, switch from private to a regular browser window, disable the auto-clear setting, or whitelist perplexity.ai in any cookie-management extensions you have installed.

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