AI marketing tools have revolutionized the marketing industry – now, people can create content more quickly than ever before. But there is no point in using these tools without an effective AI content detector or content checker.

Why is an AI content detector tool important?

AI content detection is important because 100% AI generated text for your blog or website can be seen as low quality content by Google.

Therefore, your website content must pass AI detection tests to increase your chances of ranking higher on Google (with SEO).

Is Google against AI generated text?

No, Google is NOT against you using AI writing generators to create content for your website (source). In fact, Google says explicitly they “reward high-quality content however it’s produced” (source).

So, in short, Google is not against using AI to create content. But they are against creating low-quality content.

So if you use an AI writing tool, it’s important the AI written text is edited by a human to ensure content is of the highest quality.

Quick Summary

For your convenience, here is a quick summary of the best AI content detectors and ai content checkers for SEO:

Tip: Using SEO is a great way to generate high quality leads for your business. But did you know most blogs don’t convert visitors into leads? Watch my Free Masterclass Training to learn ONE simple change you can make to your content strategy to get leads, appointments and clients predictably each month in your business.

What are the best AI content detectors?

Here are the top AI content detection tools – ranked and reviewed:


Best Overall

Originality.AI is the most accurate AI content detector tool. It’s also the industry-leading and most popular tool for identifying ai written text.

With Originality.AI you can ensure your content is unique and high-quality in seconds.

With its highly accurate plagiarism detection capabilities, Originality ensures that every piece of content you publish is original and written by a human.

But what sets Originality apart from other AI detection tools on this list is its ability not only to detect plagiarism and AI content but also to provide suggestions on how to improve your content.

See also: How to generate leads with AI

By analyzing the structure and language of your writing, Originality can suggest ways to make your content more engaging and informative for your audience. 


  • Helps users identify instances of potential plagiarism and improve the originality of their content.

  • Provides actionable insights on improving the content’s quality and relevance.

  • User-friendly interface and easy to navigate.

  • Can analyze content in multiple languages.


  • Limited free version with a maximum of 50 checks per month.

  • No integration with popular content management systems like WordPress or Hubspot.

  • Best features are reserved for paid plans

Try Originality.AI for free

2. Content at Scale’s AI detection

Best free option

For the best free AI content detection tool, there’s no AI tool better than Content at Scale

What’s great about Content at Scale’s AI detector is that you can use it entirely for FREE without signing up for an account.

To use Content at Scale’s AI detection tool, all you need to do is CLICK HERE and copy + paste your content into the content detection tool, as seen here:

It will then give you a human content score out of 100. The closer you are to 100, the more likely your content looks like a human wrote it.

Content at scale’s AI detection tool also goes one step further by telling you specifically which parts of your content look like AI generated text.

This allows you to quickly and easily see how to fix it.

Why is Content at Scale’s free AI content detector so good?

In short, they use their free AI content checker to advertise their paid AI tool used for creating content.

Content at Scale’s AI content creation tool creates content that automatically passes AI content detectors without you needing to do any further editing.

It also created blog posts and articles that are over 2,000 words long (something most other AI copywriting tools don’t do).

Content at Scale’s AI generated content is definitely worth checking out if you want to create a lot of content for your website quickly and easily.

If you use my referral link here, you can also get 20% additional credits on any of their paid plans.

You can see how Content at Scale compares to Jasper’s AI writing tool here:

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  • Free to use without registration
  • Provides a similarity score and highlights duplicated phrases
  • User-friendly interface and easy to navigate


  • Limited features compared to other content detection tools like
  • Can only check one piece of content at a time

Click here to try Content at Scale for free!

3. AI Detector Pro

Best for students & teachers

AI Detector Pro is a cutting-edge software designed to detect AI-generated content with unparalleled accuracy. Built on advanced algorithms and constantly updated through daily training, this tool ensures the highest confidence level in identifying AI-generated texts.

They prioritize the needs of students, offering a range of free features and providing a seamless experience in avoiding false positives when submitting assignments.

With AI Detector Pro, you can trust that your content is authentic and original.

Why AI Detector Pro is Better:

  • Superior Accuracy: The detection confidence average of 99.3% outperforms other AI detection tools in the market.
  • Student-Focused Design: They prioritize the needs of students, ensuring a seamless experience and helping them avoid false positives when submitting their assignments.
  • Free Features: Has a generous free plan and advanced editing capabilities to give students greater value and flexibility.
  • Money-Back Guarantee: They stand by the effectiveness of their product and offer a refund policy to ensure customer satisfaction.
  • Regular Updates: The algorithms are continuously updated to adapt to evolving AI technologies, ensuring the most accurate detection results.

Click here to try out AI Content Detector for free!

4. Crossplag

Crossplag has a plagiarism checker and an AI content detector. The plagiarism checker works on a credit system, while Crossplag is free to use.

The team seems to be positioning the tool toward academic integrity and enterprise usage.

It’s based on a fine-tuned model RoBERTa using OpenAI’s massive dataset and shows a percentage probability scale to determine if the content was human-written text or AI-generated.

No sign-up is required, so all you have to do is just paste and check.


  • Free to use. CrossPlag AI content detector is free to use. After 2 detections you need to sign up for the service, but you can continue using it for free.
  • Accurate in detecting AI-written content. Based on the 10 AI-written samples, CrossPlag did a stellar job as it detected 90% of the content to be written by AI.


  • Makes mistakes. CrossPlag cannot tell if human-written content is written by humans or AI. This is problematic if you don’t know who has written the content in advance.
  • Doesn’t reflect Google’s AI detector. This is important for bloggers. If Google uses an AI detector, it probably works entirely differently than free online tools. So don’t use AI detectors and think “Now Google won’t detect my content as AI-written”.

Click here to try Crossplag

5. GPTRadar

Best for protecting your content

In today’s digital age, where content creation and sharing play a crucial role in our business (and everyday life), protecting intellectual property deserves some thought. 

Content theft can hurt your digital marketing by reducing the visibility and credibility of your content, diluting its uniqueness and value, and eroding the trust and authority you have built with your audience – all of which are important for selling online

GPTRadar solves this problem by detecting infringement and unauthorized use of your intellectual property, providing real-time analytics and insights, and empowering you to take action to protect your content. 


  • Detects instances of content theft and provides real-time analytics and insights, enabling you to take action quickly and efficiently.

  • Can help you protect your brand reputation and maintain the integrity of your digital presence.

  • Empowers you to take legal action against content thieves, potentially resulting in financial compensation for damages.


  • The detection capabilities of the solution are not foolproof, and there is a risk that some instances of content theft may slip through the cracks.

  • Legal action can be time-consuming and costly, and there is no guarantee of success.

Click here to try GPTRadar

6. Winston AI

Very accurate AI detection service

An established brand is one of the most effective strategies for generating high-quality leads online: a defined and consistent brand voice is at the center of standing out online.

When you rely on AI tools to generate your content and do not edit it well to reflect your voice and tone, your branding can appear fake, robotic, and unrelatable. 

That is where can serve you well – with 94% accuracy, you can be sure your content will be original. 


  • It has 94% accuracy so you can ensure originality.

  • Very simple user interface.


  • Can be expensive compared to other options

Click here to try Winston AI

7. ZeroGPT

Another free option

One of the best things you can do if you are looking to double down on your AI content originality is to utilize a second AI content checker – this is when knowing another free option comes in handy.

ZeroGPT is a reliable and free tool that uses advanced technology to detect AI-generated plagiarism, including text created by ChatGPT, Google BARD, and other AI chatbots. 

With DeepAnalyse™ Technology, ZeroGPT can accurately identify the origin of any text, making it ideal if you are using any of the mentioned. 


  • Free to use with no need for registration

  • Can accurately detect AI-generated plagiarism

  • Utilizes advanced DeepAnalyse™ Technology


  • Limited to detecting AI-generated plagiarism and not human-generated plagiarism

  • Does not offer additional features beyond plagiarism detection

Click here to try ZeroGPT


At the end of the day, creating high-quality and original content is essential for SEO. 

With the help of AI content tools, such as, GPTRadar,, and ZeroGPT, you can ensure that your content is unique, credible, and optimized for search engines – using these tools, you can improve your content’s visibility, drive traffic to your websites, and build a strong online presence.

AI content creation tools can bolster your productivity, but it’s important to remember that these tools should not replace your creativity and knowledge!


How does Google detect AI content?

Google has several methods to detect AI-generated content. They use machine learning algorithms and manual reviews to identify content created solely by an AI program without human input.

One way that Google detects AI content is by looking for patterns and similarities in the content’s language, syntax, and structure.

AI-generated content often lacks natural variation and exhibits repetitive patterns not present in human-written content.

Additionally, Google may use manual reviews to evaluate the quality and relevance of the content, looking for signs that it was created by an AI program.

Google’s detection methods are constantly evolving with the advancement of AI technology. As a result, they will likely continue to become more sophisticated over time.

Does Google punish AI content?

Google does not specifically punish content that has been created using AI, but they do prioritize high-quality, original content in their search results. 

This means that if your content is solely generated by an AI program and lacks uniqueness or relevance, it may be penalized by Google’s search algorithms.

If your AI-generated content is found to violate Google’s webmaster guidelines, such as through keyword stuffing or cloaking, it may be penalized or even removed from the search results entirely.

How does AI text detection work?

AI text detection typically works by using machine learning algorithms to compare the text in question with a vast database of existing text. This allows the AI program to identify patterns and similarities that may indicate plagiarism or other forms of content theft.

One common approach used in AI text detection is known as natural language processing (NLP), which involves analyzing the structure and meaning of written text to identify any instances of similarity or duplication.

Other techniques may involve analyzing the syntax or grammar of the text and factors such as word choice, tone, and style.

AI text detection can be a powerful tool for identifying plagiarism and other forms of content theft, but it’s important to remember that no AI program is perfect.

It’s always a good idea to combine AI text detection with human oversight and editing to ensure that your content is original, high-quality, and meets

How does AI help with SEO?

Well, people turn to Google in search of answers to questions you have the solution for within your given niche. So, by publishing search engine optimized (SEO) content on your website, Google will be more likely to suggest YOUR website to them.  

However, Google will NOT favor your content if it is not original and seems ‘AI’ish’.

So that’s why it’s important to use AI detection tools to ensure your content is unique and original.

Search engine optimization (SEO) is one of the most effective strategies you can deploy to generate high-quality leads. Since the advancement of AI, people have been turning to these tools in droves to bolster their content creation.