I use GMvault for doing this and I'm quite happy with it. Unfortunately, it's not actively maintained anymore and out of the box, it doesn't work properly thanks to some annoying changes that Google has made to Oauth, but fortunately, there's plenty of documentation on GitHub for how to fix it. I have GMvault set up to run nightly using a cron job on my NAS. Source: about 1 year ago

With gmvault you can download and sync. http://gmvault.org/ it saves in .eml format, I assume you could use a locally installed web mailer for accessing the emails? Source: about 1 year ago

I used this until I didn't need it any more, worked perfectly for a long time: http://gmvault.org/. Source: about 1 year ago

I recommend to look in gmvault http://gmvault.org/ . Source: about 2 years ago

It's a good idea to use something like gmvault [0] to ensure you have regular downloads of your mail corpus locally. [0] http://gmvault.org/. - Source: Hacker News / about 2 years ago

We can use them to customize or add functionalities that are not provided by the browsers. You Can find these extensions from the respective web stores of your browser for example Chrome web store for Chrome, Add-ons for Firefox. - Source: dev.to / 12 months ago

If you want though, tou can check your extensions at the URL opera://extensions to make sure only the ones you installed yourself are there (besides any Opera-specific ones like the adblocker). And make sure any ones you've installed from https://chrome.google.com/webstore/category/extensions are still available in the Chrome web store. If an extension was removed from the Chrome web store, it could be because it... Source: about 1 year ago

Test to see if the same thing happen with an extension installed from https://addons.opera.com/en/ or https://chrome.google.com/webstore/category/extensions. Source: about 1 year ago

Learn how to code using text based code; preferably JavaScript, then begin to create your own chrome extension with every 150+ addons or the ones you want. Don't forget that you need to make it mobile friendly (for your iPad or in general tablets.) Make sure to update it with every new feature added to the original (around every month) and publish it to https://chrome.google.com/webstore/category/extensions in... Source: about 1 year ago

If you are using chrome, you might wanna try some extensions. I see a few like ZingFilter. Not sure if worth it though. https://chrome.google.com/webstore/category/extensions. Source: about 1 year ago