Recent answers to Firefox insta-crashing on startup. Hanging on opening in troubleshoot mode, then crashing after 20 seconds.https://support.mozilla.org/ga-IE/questions/13986982022-12-06T03:30:15-08:00cor-el said
You can look at this tool to inspect a compressed jsonlz4 sessionstore file.
https://www2022-12-06T03:30:15-08:00Fireweavexhttps://support.mozilla.org/ga-IE/questions/1398698#answer-1552443<em><p>cor-el <a href="#answer-1552235" rel="nofollow">said</a></p></em>
<blockquote>You can look at this tool to inspect a compressed jsonlz4 sessionstore file.
<ul><li><a href="https://www.jeffersonscher.com/res/scrounger.html" rel="nofollow">https://www.jeffersonscher.com/res/scrounger.html</a>
</li></ul>
</blockquote>
<p>While I can't load the old data without FF crashing, this will allow me to rebuild the session. Thank you very much.
</p>You can look at this tool to inspect a compressed jsonlz4 sessionstore file.
https://www.jeffersons2022-12-05T02:22:58-08:00cor-elhttps://support.mozilla.org/ga-IE/questions/1398698#answer-1552235<p>You can look at this tool to inspect a compressed jsonlz4 sessionstore file.
</p>
<ul><li><a href="https://www.jeffersonscher.com/res/scrounger.html" rel="nofollow">https://www.jeffersonscher.com/res/scrounger.html</a>
</li></ul>cor-el said
To do this outside of Firefox you would have to edit prefs.js and add the lines or use a2022-12-04T11:27:02-08:00Fireweavexhttps://support.mozilla.org/ga-IE/questions/1398698#answer-1552136<em><p>cor-el <a href="#answer-1552128" rel="nofollow">said</a></p></em>
<blockquote>To do this outside of Firefox you would have to edit prefs.js and add the lines or use a user.js file to set those prefs.
user_pref("browser.sessionstore.restore_on_demand", true);
user_pref("browser.sessionstore.restore_pinned_tabs_on_demand", true);
Location of the Firefox profile (AppData is hidden).
<ul><li>C:\Users\&lt;user&gt;\AppData\Roaming\Mozilla\Firefox\Profiles\&lt;profile&gt;
</li><li><a href="https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data" rel="nofollow">https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data</a>
</li></ul>
</blockquote>
<p>Unfortunately, neither of those worked.
</p><p>Apparently, one way to do it is to split the browsing session up so that the total tab count is below 8k. Unfortunately, the method to do so was only described as "edited to make it so" .
</p><p><a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1716849#c24" rel="nofollow">https://bugzilla.mozilla.org/show_bug.cgi?id=1716849#c24</a>
</p><p>Would you happen to know how to edit the jsonlz4 file so that I could do this?
</p>To do this outside of Firefox you would have to edit prefs.js and add the lines or use a user.js fil2022-12-04T11:07:41-08:00cor-elhttps://support.mozilla.org/ga-IE/questions/1398698#answer-1552128<p>To do this outside of Firefox you would have to edit prefs.js and add the lines or use a user.js file to set those prefs.
</p><pre>user_pref("browser.sessionstore.restore_on_demand", true);
user_pref("browser.sessionstore.restore_pinned_tabs_on_demand", true);
</pre>
<p>Location of the Firefox profile (AppData is hidden).
</p>
<ul><li>C:\Users\&lt;user&gt;\AppData\Roaming\Mozilla\Firefox\Profiles\&lt;profile&gt;
</li><li><a href="https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data" rel="nofollow">https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data</a>
</li></ul>cor-el said
You can try to reopen all tabs on demand.
browser.sessionstore.restore_on_demand - true
2022-12-04T08:55:46-08:00Fireweavexhttps://support.mozilla.org/ga-IE/questions/1398698#answer-1552117<em><p>cor-el <a href="#answer-1552106" rel="nofollow">said</a></p></em>
<blockquote>You can try to reopen all tabs on demand.
<ul><li>browser.sessionstore.restore_on_demand - true
</li><li>browser.sessionstore.restore_pinned_tabs_on_demand = true
</li></ul>
<ul><li><a href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox" rel="nofollow">https://support.mozilla.org/en-US/kb/about-config-editor-firefox</a>
</li></ul>
</blockquote>
<p>Would I be able to do this outside of firefox, or do I have to reset/refresh, input the settings, and then move over all the old data?
</p>You can try to reopen all tabs on demand.
browser.sessionstore.restore_on_demand - true
browser.ses2022-12-04T08:42:22-08:00cor-elhttps://support.mozilla.org/ga-IE/questions/1398698#answer-1552106<p>You can try to reopen all tabs on demand.
</p>
<ul><li>browser.sessionstore.restore_on_demand - true
</li><li>browser.sessionstore.restore_pinned_tabs_on_demand = true
</li></ul>
<ul><li><a href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox" rel="nofollow">https://support.mozilla.org/en-US/kb/about-config-editor-firefox</a>
</li></ul>