The Best Grammar Checker for Blogs, Emails, Mobile and Social Media

Grammarly Spellcheck and Grammar Check

If you’ve been a reader of Martech Zone for a while, you know I could use quite a bit of help in the editorial department. It’s not that I don’t care about spelling and grammar, I do. The problem is more of a habitual one. For years, I’ve been writing and publishing our articles on the fly. They don’t go through multiple steps of approval – they’re researched, written, and published.

Unfortunately, that’s caused me some embarrassment as I’ve published some ridiculous grammatical errors over the years. I’ve even spoken to some of our copywriters about having them on retainer to review my posts every day. However, I don’t want to wait to publish so I’ve been putting it off. Not to mention the fact that I may not like how their recommendations change the tone of my work. I’ve honestly avoided going the editing route. As well, I write so many articles that I need to improve my command of the English language.

How Many Grammar and Spelling Errors Do People Make Online?

I’m not the only one! Grammarly analyzed over one billion words proofread by their popular writing app over the course of one month.  Here’s what they found:

Mistakes per 100 Words

  • People made an average 39 mistakes per 100 words in social media posts. Emails follow with 13 mistakes per 100 words and blog posts are the lowest with 6.5 mistakes per 100 words.
  • People are three times as likely to make mistakes in social media posts than we are in any other type of online writing. I’m guessing some of this has to do with the limitations of Twitter (no edits) and the conversational nature of social media.
  • Early birds writing between 4:00 am and 8:00 am made 18.2% fewer mistakes than night owls writing between 10:00 pm and 2:00 am. (Uh-oh)

What Are The Top Grammar and Spelling Errors Do People Make Online?

  1. Apostrophe Mistakes (e.g., let’s vs. lets)
  2. Too vs. To
  3. Everyday vs. Every Day
  4. There vs. Their
  5. Than vs. Then

You might be seeing some improvement in this area, as I’ve invested in an annual license for Grammarly, a service that’s been often named the world’s best grammar checker. Complete with a browser extension, I can quickly write and correct errors without ever leaving my editor.

Grammarly: The Best Grammar and Spelling Check Platform

Grammarly is a service I can utilize with any platform or software. Here are some examples:

  • Grammarly Editor – Grammarly’s editor is fantastic, with spell-checks, grammar checks, plagiarism checks, audience recommendations, formality checks, readability, tone detection, intent, overall scoring, goals, wording suggestions, elegant replacement, word counts, sentence lengths, and more.

Spellcheck and Grammar Check with Grammarly

  • Grammarly Desktop App – Grammarly has a standalone application that can run on any operating system. It’s a web-based platform where you can maintain a repository of all of your documents.

Grammarly App for spelling check, grammar check, plagiarism check and more

  • Grammarly for iPad – Grammarly has a standalone application that can run on an iPad.

Grammarly for iPad

  • Grammarly Browser Extensions – Grammarly has fantastic browser extensions. I’m using the Safari extension right now within WordPress’ Gutenberg editor right now on this article. Any web page with a text field automatically enables Grammarly to help you. And best of all, you can get the basic functionality at no cost!

Grammar and Spellcheck with Grammarly's browser extensions

  • Grammarly Office Add-In – Grammarly has an office add-in for Windows or Mac.

Grammarly for Office on Windows or a Mac

  • Grammarly Keyboard – If you’re on a mobile device, you can install and utilize the Grammarly Keyboard to help your mobile copy.

The Grammarly Keyboard-iOS

The Grammarly Keyboard Android

  • Grammarly Business – Does your company have very specific style guides when writing? Grammarly Business enables you to guide everyone within your company to follow your guidelines.

Grammarly for Business - Writing Style Guides

Get Started With Grammarly For Free

How to Check for Grammar and Spelling Errors with Grammarly

Using Grammarly is simple. In the text region you’re working in, you’ll see the spelling and grammar issues underlined. Click the Grammarly icon and up pops a more in-depth editor that has all the information you need to improve your copy.

Here’s a great video on how Grammarly works:

If that’s not enough features for you, how about a weekly email to let you know how well you’re performing versus other Grammarly users? Yes, they send one! And no, I’m not sharing mine.

Get Started With Grammarly For Free

Note: I’m using my Grammarly affiliate links throughout this post.


  1. 1

    I’m testing it out right now. Is there a feature that tells it to ignore html characters on a doc? Presently, when writing for web, I just format as I go and right grammarly is having fits, especially when It gets to lists.

    And, grr, when is it going to support Google Drive?

    Otherwise, it’s awesome.

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