Works terrible in Reddit while writing post.

it comes in handy when I need to check the spelling of a word I type and Firefox's spell checker isn't cooperating.

lack dictionary feature. I wanted dictionary features similar to grammarly.
reply:
Plz see grammarly what I wanted to say here ''Show definitions and synonyms
via double clicks (all sites)'' I want this feature.

Good spell-checker. Unfortunately all features are not free, and it tries a bit too hard to make you enable it on all websites.

Hotkey conflict with Tab Flip for Tree Style Tab, please add option to disable or change it.
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Edit: There's a long way to go, I just accidentally found it wouldn't check out error in "an WebExtension". It's a very simple grammar error...

Edit 2: It shouldn't be, like Vim Vixen, it's an extension allow browsing web by keyboard only, and it ALLOW customizing which key to be used to do one thing.

I love it, it just loses 2 stars for integration I know it is hard, would be great if it just corrected in the text like a normal spellchecker.

For those who have privacy concerns it is really easy to run your own server