Import from Vivaldi to Firefox
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Hello Everybody.
I tried several times that import Vivaldi bookmarks, history, password into Firefox but Firefox can't recognize Vivaldi as browser.
I think it's Vivaldi problem because Firefox easily recognize chrome and other browser.
Thank you.
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@m-s-moradian Yeah, not actually Vivaldi's problem that firefox is stupid. If Windows detects it as a browser, other software has no excuse. That said, you can export bookmarks (nothing else at this time) from Vivaldi to HTML and you can import that file to Firefox.
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@ayespy That's a bit unfair. Vivaldi is a really small browser, I'm sure if they get requests, or notice that a high amount of users is switching from Vivaldi to Firefox, they will implement such an import function immediately. It just doesn't make sense at the moment to waste their resources on it
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@luetage But they have no excuse for not even being able to detect it.
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@ayespy Can Vivaldi detect Maxthon?
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@luetage No idea. I don't speak Maxthon. Can anything detect/import from it? If so, good on 'em.
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@ayespy I'm just imagining a Maxthon user posting a question on a forum, asking why Vivaldi can't import bookmarks and passwords from Maxthon, while it works for Chrome and Firefox and Edge.
The user expects it's Maxthon's fault, surely!
A moderator replies that it's not actually Maxthon's problem that Vivaldi is stupid.
A stupid member trolls the moderator: "That's unfair, Maxthon is a tiny browser, I'm sure if Vivaldi gets requests, they will be implementing importing from Maxthon in no time!
The moderator: "No excuse for not detecting! The morons..."
A stupid member: " I'm just imagining a Lynx user posting a question on a forum, asking why Maxthon can't import bookmarks and passwords from Lynx, while it works for Chrome and Firefox and Edge.
The circle is unbroken.
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Perhaps it would be the question, if any browser should be able to import the data of others more than 110 browsers that currently exist
https://www.webdevelopersnotes.com/browsers-list
(List with a special mention for Vivaldi)
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I know this is an old thread, but people will find this on a Google search and they need to know.
To import Vivaldi's history into Firefox, you have to copy Vivaldi's history file - literally named history and typically located in:
C:\Users\[your_username]\AppData\Local\Vivaldi\User Data\Default
...and paste it into either Chrome's folder:
\AppData\Local\Google\Chrome\User Data\Default
...or Edge's folder:
\AppData\Local\Microsoft\Edge\User Data\Default
...keeping the same file name: history (no file extension).
Since Vivaldi, Chrome, and Edge are all Chromium-based browsers, their histories are pretty much interchangeable.
Now go to Firefox and type about:config in the address bar. Change the following parameters:
browser.migrate.chrome.history.limit browser.migrate.chrome.history.maxAgeInDays
By default, Firefox will only import 2000 items, and only up to 180 days old. Change the values to a quantity and date you find more fitting. I put them in the millions. Or just keep them default if you have <2000 items and they're all recent.
Now have Firefox import history (File-> Import from Another Browser) from either Edge or Chrome and it will mostly work. I say mostly because there are three things that are a little broken, at least for me.
The first thing that's broken in the Vivaldi->Firefox transfer is the page visit count (how many times you visited a page). All pages show up as visited once.
Secondly, pages without titles don't seem to survive import from Vivaldi to Firefox. I'll show you an example: As you can see in this screenshot, Vivaldi (left) has five history entries for Bugzilla (a random domain I chose) that did not survive importing to Firefox (right). And as you can see in this screenshot of Vivaldi's history in SQLite, all five of those pages have null values for page title.
Indeed, 12.7% of my Vivaldi history contains pages with null title values. But, interestingly, out of 36,335 null titles in Vivaldi, 17,778 survived the transfer to Firefox. But virtually all the items that didn't survive the transfer were null-titled pages. I'm unsure why some null titles survived and some didn't.
What do null-titled pages tend to be? From browsing through the thousands of examples randomly, they mostly appear to be redirect pages. e.g., this page has a null title and it redirects to this which does not have a null title. However, there are exceptions. For example, most imgur direct links are null-titled.
The third thing that seems broken from the Vivaldi->Firefox transfer is that it seems any pages (i.e., one single URL) that were visited multiple times in a short time period (probably the same day?) will now show up in Firefox as having only been visited at the earliest one of those dates.
I'm not sure exactly why, but here's why I think that's what's happening. Here is what my Vivaldi history shows when I open it in an SQLite viewer and look at the value for one particular URL I visited months ago.
The "visit_time" number is microseconds since Jan 1 1601, and it's what Chromium uses as a timestamp. Plugging in those three values at a converter like this one reveals the time in human format:
January 22, 2022 11:17:01 PM GMT-05:00
January 22, 2022 11:35:24 PM GMT-05:00
January 22, 2022 11:47:17 PM GMT-05:00That means I visited that one URL three times in the period of about half an hour on the night of Jan 22nd, 2022.
Now here's what SQLite shows for that same URL in Firefox after importing from Vivaldi:
Notice that there's only one entry instead of 3. The visit_date format is in Unix time and it converts to January 22, 2022 11:17:01 PM GMT-05:00, the earliest of the three Vivaldi entries, just timestamped in an arbitrarily different format. So, as you can see, the more recent of the two visits were discarded during the importing process. No idea why.
Now, one last thing I should mention is that I initially imported my Vivaldi history from Firefox. Yes, my poor history has gone from Firefox to Vivaldi and then back to Firefox again while masquerading as Chrome. I don't know if that initial transition from Firefox to Vivaldi is what messed it up on the way back, but I suspect not, since Vivaldi handled the import just fine (e.g., in the example above, Vivaldi successfully imported all three of those entries from Firefox.)
And in case you were wondering why I've switched so much (and I don't know why you would wonder, since...why would you care), I actually haven't switched back to Firefox yet. Heck, I haven't even switched to Vivaldi yet. But I wanted to see if it would be possible to switch from Vivaldi to Firefox with my history intact in the event I needed to. Jumping ship from Firefox to Vivaldi is a lot less scary if I know I can go back at any time without completely ruining my quarter-million page history.
Hope this helps, future person!