Is Grammarly the Best Online Grammar Checker? Yes, It Is!

The fact of the matter is that a lot of bloggers are terrible at blogging. Their writing is terrible, their grammar is crap, and their spelling stinks. The problem is that if your writing, grammar, spelling, and so on is crap, it takes away from your message. So, using the best online grammar checker is a great way to get your message across.

I have read some blog posts that are so horrible that I ended up forgetting what the blog post was about and spent my time mentally fixing the grammar. If you worry about your writing, then Grammarly is definitely for you. Let’s have a look at it now.

Grammarly – The Best Online Grammar Checker

What Is Grammarly?

Grammarly is a web-based automatic grammar, spelling, punctuation, and plagiarism checker. It tells you what it thinks you have got wrong and suggests how to fix things. If you are a blog writer, eBook writer, in fact, any kind of writer, Grammarly can help you produce better content.

Apparently, over 4 million people use Grammarly, and 600 universities and companies. These are pretty impressive figures although I am going to guess they are counting the free users as well otherwise Grammarly would be a pretty huge company. 

Why You Need This Tool

Native or non-native speaker, you need Grammarly. It goes without saying that if you’re a non-native writer, having a tool like Grammarly will make you feel more confident. It won’t make you the next JK Rowling or Hemingway, but it will certainly make you better than you are now. 

It’s also very useful if you do not have anyone to proofread your work. I’m not just a blogger, I’m also a freelance writer and I make mistakes. In fact, I reckon that if I am writing an article of 1000 words, there will be between 50 and 80 mistakes.

Mind you, because I use Grammarly, I do tend to be a bit more relaxed as a writer, as I reckon that since I am using Grammarly, it will fix my mistakes after I have finished my writing. If I didn’t use Grammarly, I’d probably make slightly fewer mistakes.

What Does Grammarly Do?

Well, a lot basically but let’s break it down so that you know everything in more detail.

Grammar Errors

According to the blurb, Grammarly can spot over 250 types of grammar errors. To be honest, I didn’t know there were 250 different types of grammar errors in English, and I used to be an English Language teacher.

Best Online Grammar Checker

Now, you need to be careful here. Just because Grammarly says that you have made a mistake, it doesn’t mean you have. Therefore, you need to do some thinking. For example, one thing that Grammarly struggles with is getting defining and non-defining relative clauses right. 

Another thing Grammarly often gets wrong is the ‘dangling modifier’. It seems to struggle with them, so you need to be sure that when Grammarly says a dangling modifier is wrong, look at it carefully; it probably isn’t. Other grammar mistakes Grammarly comes up with are things like:

– Inappropriate voice
– Unclear antecedent
– Sentence wordiness
– Sentence fragment
– Subject-verb agreement

What I also like is that it also tries to explain why it thinks you have got something wrong. This is great for two reasons. Firstly, it teaches you better English grammar, so you make fewer mistakes in the future.

Secondly, it means you can work out if you think Grammarly is right or not. For example, if it says that the antecedent is unclear, you can decide if you agree or not. If you do, you can change it. If you don’t, you can leave it as it is.

Spelling Mistakes

Grammarly hates spelling mistakes. Now, to be honest, if a spell checker can’t spot your spelling mistakes, it’s a crap spell checker. However, it is also very good at spotting spelling mistakes for easily confused words. Here are a few examples:

– you’re/your
– their/there
– it’s/its
– affect/effect
– principal/principle

Best Online Grammar Checker

This is particularly useful if you’re a bit of a lazy writer, as I am. Your/you’re is probably one of my favourite mistakes, followed closely by they’re/their and effect/affect. Grammarly is very good at spotting these mistakes. And if you’re being paid to write, avoiding stupid mistakes like those will make a difference to your reputation.

Vocabulary Usage

This is another reason I really like Grammarly. As I have already said, I’m a bit of a lazy writer so having a tool that checks the way I am writing is a real bonus. Grammarly will analyse my writing and tell me if I am using:

– Redundant words
– Repetitive words
– Overused words

This is particularly useful if you are a non-native speaker. Being able to recognise the subtleties of a language that’s not your own is difficult. Grammarly will help you recognise these subtle differences.


This is probably not so important for you if you’re a blogger but if you are a freelancer, having an anti-plagiarism tool is very handy. This is also useful if you have other people writing for you or have guest bloggers sending you articles. You don’t want Google thinking that you are happy having duplicate content on your site.

Best Online Grammar Checker

Grammarly claims to have over 8 billion web pages indexed that they use to check duplicate content. Obviously, there is no way to know if that’s true, although there is no reason to think that it’s not. Anyway, 8 billion web pages is a lot of content to have to fight the evils of plagiarism.

Available Add-ons

There are some good add-ons available. I use Google Docs for my writing and there is a Grammarly extension that you can use. It’s in Beta at the moment but it seems to work quite well for me. There is also a Microsoft add-on so if you’re a Microsoft user, that’s quite useful.

Not So Good Points

Okay, I have written lots of good stuff about Grammarly, so what’s the bad? Not too much to be honest. It’s an online app so obviously, if you’re not connected to the internet, it doesn’t work very well. However, since I wouldn’t recommend using it until after you have finished your writing, you can connect just to check your work, even if it means using your own data.

Its other big disadvantage is that it’s not 100% correct. Now that may be hoping for a bit too much but by not being 100% correct, it means you do need to think when you are letting it check your work. You cannot assume that because it says something is wrong, it is. 

Having said that, those two cons don’t take away from the fact that Grammarly is still the best online grammar checker by a long margim. It has its bad points, but its good points far outweigh them.

Wrapping Everything Up

And there you have it. Grammarly is a great tool and the best online grammar checker by far. However, to be honest, if you are only writing once in a while and what you’re writing is not that important, then use the free version. However, if you want your writing to be as good as possible, especially if you’re getting paid for it, then Grammarly premium version is the way to go.

Best Online Grammar Checker

If you enjoyed this Grammarly review, please leave a comment. And if you think I’ve left anything out, feel free to add that below too. And if you buy the premium version, come back and tell us what you think; we’d all appreciate it. Thanks and speak again soon.

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Giles Ensor

Ex-soldier, ex-teacher, present-day stay-at-home dad. Recently retired from the real-world education business, now working in the online e-learning industry,

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