Free Grammar Checker

Welcome to EditorNinja! Use this free grammar checker, powered by AI, to check your English language content for basic grammar and phrasing before publishing.

While this tool is powered by OpenAI, we highly recommend you also install the free Grammarly browser extension to proofread/correct your content on other websites as well.

Once you click Submit, your content will be proofread by OpenAI/ChatGPT. The corrected text will be sent to you via email.

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Welcome to EditorNinja! Use this free grammar checker, powered by AI, to check your English language content for basic grammar and phrasing before publishing.

While this tool is powered by OpenAI, we highly recommend you also install the free Grammarly browser extension to proofread/correct your content on other websites as well.

Once you click Submit, your content will be proofread by OpenAI/ChatGPT. The corrected text will be sent to you via email.

When you’ve written copy and you need to check its grammar, sometimes all it needs is a quick grammar check. Checking your grammar ensures that it’s more correct than it would be without any editing, so using a free grammar checker is quick with no downside.

Of course, a full copy edit is important as well. But if you don’t have that time or budget then do what you can with what you have and use our free grammar checker, powered by Perfect Tense.

How To Check Your Grammar For Free

Step 1: Paste Your Text

Copy your text (CMD+C) and paste it (CMD+V) into the free grammar checker box above.

Step 2: Submit to OpenAI

We leverage OpenAI to correct your grammar and punctuation on the fly. Paste your text, enter your email, and submit.

Step 3: Get Perfected Text

Your corrected text will be sent to the email you provide. Copy, paste, publish!

Need More Than Grammar Checking?

Leverage Our Professional Content Editing, Copy Editing, and Proofreading Services

Buy back your precious time by using our professional content editing services, including copy editing and proofreading services. They’re powered by real MFA-level editors who make your copy sing.

Get started with an intro call today.

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Your Word Balance is Zero!

It looks like you’re making great use of EditorNinja. Nice work!

You have a few options from here:

  1. Keep adding documents to your account, knowing that they’ll be edited after your next billing cycle begins.
  2. Add some Anytime Words (one-time purchase, use in the next 12 months) and we’ll start on your overflow documents sooner. Click here to see options.
  3. You can also increase your monthly subscription. Reach out to your contact on our team about this

Remember, you can always adjust priority on documents if you need specific ones back sooner. Just remember to let your editing team know in Slack.

Thank you!