Best Plagiarism Checkers Tools and Software of 2023- Which of These Online Tools will be Best for You?

Disclosure (full version- https://nikolaroza.com/affiliate-disclosure/): Some of the links you’ll encounter are affiliate links. If you click and buy something, I may get a commission. Thank you! 

Looking for online anti-plagiarism tools to check for duplicate content?

Look no more!

My guide to the best plagiarism checkers in 2023 shows you which apps are the best and most recommended.

Let’s get started!

In a hurry?

Here’s the TLDR version.

Originality.ai is the best plagiarism checker app on the market.

The tool has near-perfect accuracy and it can detect both classic content duplication and clever paraphrasing done to avoid plagiarism checkers.

Originality.ai is also the only tool on the market that can accurately detect AI plagiarism.

I recommend Originality.ai to all serious web publishers looking to police the content they post on their blog and not allow plagiarized text to slip through the cracks.

You can get started with Originality.ai for just $20 which gives you 2 000 credits or 200 000 words to scan for plagiarism.

And if you use my official coupon code nikolaroza25 you will get a 25% discount on your purchase.

Try Originality.ai here!

Jump here: #1- Originality.ai Plagiarism Checker App|#2- Copyscape Premium Plagiarism Checker|#3- Grammarly Premium Plagiarism Checker|#4- Quillbot Plagiarism Checker App|#5- Scribbr Free Plagiarism Checker App|#6- Unicheck Free Plagiarism Checker App|#7- Duplichecker Free Plagiarism Checker App|Best Plagiarism Checker Tools and Apps for 2023 FAQ|Best Plagiarism Checker Tools and Apps for 2023 (Conclusion)

Best plagiarism checkers apps and software guide 2023
Best plagiarism checkers apps and software guide 2023

Table of Contents

#1- Originality.ai Plagiarism Checker App


Originality.ai premium plagiarism checker tool
Originality.ai premium plagiarism checker tool
  • Name- Originality.ai plagiarism checker tool;
  • Type of plagiarism checking- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- free trial available via Originality.ai Chrome extension;
  • Refund Available-  no refunds;
  • Coupon code- coupon code= nikolaroza25.You get a 25% discount on any credit purchase;

Originality.ai is the best AI content detection tool on the market (you can read my Originality.ai review here to learn more about it).

But Originality.ai is also an excellent premium plagiarism checker.

Here’s how to check for duplicate content with Originality.ai.

First, go to Originality.ai (open an account first) and in the left sidebar go “Start a New Scan“:

Start a new scan for duplicate content with the Originality.ai plagiarism checker

Second, give the document a title and paste the content you want to check for plagiarism.

Then deselect “Detect AI” so that Originality.ai checks only for duplicate content.

For my test here in this article, I will take a few hundred words from my Jasper AI coupon code article to test it for plagiarism. I expect Originality.ai to find my site and article as the source.

And it did!

Take a look:

testing Originality.ai plagiarism checker app

Originality.ai plagiarism checker is the best tool on this list, and that’s why it’s at the top of this article.

The tool is affordable too, which you can see below.

Originality.ai Plagiarism Checker Pros (What I Like)

  • excellent plagiarism checker with 100% accuracy;
  • Free trial for testing is available (read my Originality.ai free trial guide);
  • Very fast;
  • Very affordable (especially if you use my coupon code nikolaroza25 which gives you a 25% discount).

Originality.ai Plagiarism Checker Cons (What I Don’t Like)

  • Not a free plagiarism checker;
  • limit of 1000 words per scan;
  • Free trial is very limited (only 50 credits which is roughly 5 000 words to scan for free).

Who is Originality.ai Plagiarism Checker Best for?

Originality.ai is my tool of choice when it comes to checking for duplicate content. I also use it for AI content detection and this app hasn’t let me down yet.

I recommend Originality.ai to all serious web publishers and bloggers who care about keeping the integrity of their blogs and online properties.

Originality.ai Plagiarism Checker Pricing

Originality.ai pricing model is very simple.

You pay with credits inside the platform. Each credit costs you 0.01c and each credit lets you scan 100 words of content for either AI content or plagiarism.

That means  if you want to check 100 words of content for both content duplication and AI content that’d cost you 0.02c

Number of CreditsPriceNumber of WordsDiscountDiscount Price
2K$20200 00025% discount with coupon code "nikolaroza25" (without quotes)$15
5K$50500 000No coupon and discount code for this pricing tier./
10K$1001 000 000No coupon and discount code for this pricing tier./
25K$2502 500 000No coupon and discount code for this pricing tier./
50K$5005 000 000No coupon and discount code for this pricing tier./
100K$100010 000 000No coupon and discount code for this pricing tier./

Try Originality.ai today!

#2- Copyscape Premium Plagiarism Checker


Copyscape premium plagiarism checker software and tool
Copyscape premium plagiarism checker software and tool
  • Name- Copyscape plagiarism checker;
  • Type of Plagiarism Detection- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- no free trial available;
  • Refund Available-  no refunds;
  • Coupon code- no coupon code.

Copyscape is one of the best plagiarism checker tools on this list. It’s the tool I use regularly to check the originality of my content, personally written and the one submitted to me by my freelance writers.

For example, here I checked my Jasper AI pricing guide in Copyscape and I found parts of my page duplicated on 2 pages, but one of them is my already published Jasper AI pricing tutorial.

Copyscape found plagiarized parts of my Jasper AI pricing tutorial

The way Copyscape works is that once you submit content to it (URL or text content) it scans its huge internal database to look for content that is identical or very similar.

And it shows you the percentage of content that’s the same as someone else’s. Copyscape also highlights the plagiarized parts of the content you submitted, as you can see in the image below.

Copyscape plagiarism checker shows you the percentage of duplicated content

Copyscape also lets you check batches of pages for added efficiency (especially helpful for huge sites). All you have to do is go to Copyscape Batch Search in the header menu.

You can submit your XML sitemap or a list of URL’s (up to 10 000 entries).

Copyscape Batch Search plagiarism checker tool

Copyscape Pros (What I Like)

  • excellent plagiarism checker;
  • Free service for testing is available;
  • huge database to scan for plagiarizing;
  • CopySentry can automate plagiarizing checking
  • and more.

Copyscape Cons (What I Don’t Like)

  • Not a free plagiarism checker;
  • Support could be better. I tried contacting them about a problem with my credits and I never heard back. Luckily, the problem disappeared on its own.

Who is Copyscape Plagiarism Checker Best for?

Copyscape is best for serious bloggers and web publishers who make money from their websites and who can’t afford the dangers duplicate content brings to search engine rankings.

If that’s you, Copyscape is an excellent investment for your site’s success and future.

Copyscape Plagiarism Checker Pricing

Copyscape is an affordable anti-plagiarism tool. You pay 3c for 200 words of scanned content+ 1c per 100 words from then on.

This is very affordable, I paid $10 6 months ago, and I still haven’t spent all my credits.

Try Copyscape today!

#3- Grammarly Premium Plagiarism Checker


Grammarly plagiarism checker app and tool

  • Name- Grammarly anti-plagiarism tool;
  • Type of Plagiarism Detection- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- free trial available only for Grammarly Business plan;
  • Refund Available-  no refunds;
  • Coupon code- no coupon code.

Grammarly is the world’s most popular AI writing assistant that checks your content style, grammar, spelling diction, punctuation errors, and all other types of writing errors.

Grammarly has an excellent extension for Chrome which enables Grammarly anywhere you write, be it Slack, Discord, Evernote, Gmail (Grammarly for Gmail guide) Microsoft Word, etc.

Besides being a comprehensive AI writing assistant, Grammarly is also a powerful plagiarism checker and a worthy addition to this list. They use Proquest’s database with more than 16 billion pages (and that number growing daily) to check against your content and find matches. If they do you get alerted and you can take the appropriate action.

The Grammarly plagiarism checker is free to use, however, the drawback is that it won’t show you where and how you’ve plagiarized. So it’s kind of a teaser for Grammarly premium.

Here I tested some content from my blog and Grammarly correctly flagged it as duplicate. But then they urged me to open an account to see how much of the content is plagiarized and from which sources exactly.

You need to sign up to Grammarly Premium to use their plagiarism checker

So, if you aren’t just looking for a plagiarism check but need an AI assistant that can check your writing and all mistakes you can make, then go for Grammarly Premium (Grammarly plans and pricing explained) and you won’t regret it.

It’s an excellent tool.

Grammarly Pros ( What I Like)

  • Decent plagiarism checker;
  • (limited) free plagiarism checker is available;
  • a huge database of over 16 billion pages to scan for plagiarizing;

Grammarly Cons (What I Don’t Like)

  • Not a free plagiarism checker;
  • Support could be improved;
  • Grammarly as a plagiarism checker fails to detect heavily paraphrased content. In my experience Grammarly especially struggles with Quillbot paraphrased content.

Who is Grammarly Plagiarism Checker Best for?

Grammarly’s anti-plagiarism checker is available only with Grammarly Premium.

That is why I recommend Grammarly as a plagiarism checker only to those people who want to buy Grammarly because it’s an excellent AI-powered writing assistant (that happens to come with a decent premium plagiarism checker).

I don’t recommend you buy Grammarly just because you need a premium plagiarism tool.

Instead, go for better and cheaper tools like Originality.ai instead.

Grammarly Pricing

Grammarly has 3 plans:

  • Free;
  • Premium ($11.66/mo);
  • Business ($12.50/mo).

To learn more about Grammarly check out my Grammarly free trial, Grammarly student discount, and Grammarly military discount guides next.

#4- Quillbot Plagiarism Checker App


Quillbot plagiarism checker app and tool
Quillbot plagiarism checker app and tool
  • Name- Quillbot plagiarism detection tool;
  • Type of Plagiarism Detection- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- no free trial.
  • Refund Available-  3-day refunds;
  • Coupon code- coupon code= GOPREMIUM.You get a 20% discount on yearly Quillbot plan.

Besides being a content paraphrase and summarizer, Quillbot is also a plagiarism checker.

To access it you need to go to Quillbot.com, then to Plagiarism Checker, and paste your content. Hit check and Quillbot will check your content for plagiarized content.

For example, here’s how I checked my Quillbot discount code tutorial.

You can see in the right sidebar Quillbot found several pages that copy parts of my page.

Good job.

Quillbot AI anti plagiarism app found all instances of the page it checked

Detecting clear content duplication is something all plagiarism checkers on this list can do. It’s easy and basic.

Let’s see how Quillbot handles content paraphrased with Quillbot (how meta!).

I’ll take a few hundred words from my guide on the best Quillbot alternatives and paraphrase it with Quillbot.

Quillbot paraphrased content ready to be tested for plagiarism

Now I’ll test the paraphrased output Quillbot gave me with Quillbot Plagiarism Checker.

Testing Quillbot Plagiarism Checker app 1

And here are the results:

Quillbot paraphrased content passes as original in Quillbot plagiarism checker app

As you can see, Quillbot paraphrased content passes as original inside Quillbot Plagiarism Checker.

You can look at this in two ways. First, Quillbot Plagiarism Checker sucks!

Second, Quillbot’s paraphrased content is undetectable.

Quillbot Plagiarism Checker Pros (What I Like)

  • Decent plagiarism checker;
  • a huge database of billions of pages to scan for plagiarizing;

Quillbot Plagiarism Checker Cons (What I Don’t Like)

  • Not a free plagiarism checker;
  • Support could be improved (only email support available);
  • very expensive (Quillbot’s plagiarism checker is the second most expensive tool among all other plagiarism software in this guide);
  • very slow- it takes more than 5 minutes to scan ~500 words.
  • In my testing couldn’t detect Quillbot paraphrased content;
  • Not available as a standalone tool
  • Low usage quota even after you pay (only roughly  5 000 words before you have to buy additional credits).

Quillbot Plagiarism Checker Tool Pricing

Quillbot Plagiarism Checker is not a standalone tool. Instead, you get access to it with Quillbot paid plans (monthly, semi-yearly, and yearly).

When you purchase any of the Quillbot Premium plans (check out my Quillbot cost guide here), you get 20 pages to check for free. One page of content equals 250 words of content. This means you can check up to 5 000 words of content before you need to upgrade.

This isn’t that much when you think about it, but you can easily purchase more pages (though I don’t recommend it).

Additional pages cost for Quillbot Plagiarism Checker App:

  • $7.45 for 25 pages;
  • $24.95 for 100 pages;
  • and $49.95 for 250 pages.

Who is Quillbot Plagiarism Checker App Best for?

In my honest opinion, Quillbot Plagiarism Checker App is very expensive and not worth getting as there are many other equally good online plagiarism checkers.

However, if you already have a paid Quillbot account then you should use it to check for plagiarism until you run out of credits. Afterwards, don’t buy new credits as it’s expensive. Instead, use a tool like Originality.ai which is equally good, and several times more affordable.

You can learn about Quillbot by reading my review of Quillbot, my Quillbot AI free trial, and my Quillbot pricing guide.

 Try Quillbot today!

#5- Scribbr Free Plagiarism Checker App


Scribbr online free plagiarism checker app
Scribbr online free plagiarism checker app
  • Name- Scribbr plagiarism checker tool;
  • Type of Plagiarism Detection- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- no free trial available;
  • Refund Available-  available;
  • Coupon code- no coupon code;

Scribbr is a powerful plagiarism checker on this list. I say it’s powerful because it’s powered by Turnitin, premium service universities use to check their student’s work.

To start, go to Scribbor Plagiarism Checker’s official page and upload your document. Then agree to Turnitin’s terms of service (tick the checkbox).

upload a document to Scribbr plagiarism checker app

Next, Scribbr will scan your document against 99.3 billion web pages, 8 million publications, and over 20 languages. And then you’ll get a result.

I gave Scribbr Word doc with my Originality.ai coupon code article and sure enough, Scribbr found the content to be duplicate.

Scribbr free plagiarism checker found duplicate content on a submitted web page

Note: as you can see, Scribbr’s free plagiarism checker is actually a tease of what their pro tool can do.

You don’t get a percentage match, or source URL and to see that valuable info you need to pay. And look, Scribbrs is asking I pay $19.95 for one document scan.

Scribbr asking for money to unlock full plagiarism report.

That’s crazy!

For example, I could use Originality.ai to scan the same page for a price of a few cents (it cost me just 8 credits for both AI and duplicate content scans).

Originality.ai found duplicate content in my submitted example

Scribbr Plagiarism Checker Pros (What I Like)

  • superb plagiarism checker (Scribbr checks 99.3 billion web pages and 8 million web publications and over 20 languages).
  • Powered by Turnitin;
  • suitable for use by university professors.

Scribbr Plagiarism Checker Cons (What I Don’t Like)

  • Not a free plagiarism checker;
  • extremely expensive plagiarism checker, to the point of non-usability;
  • you can’t copy/paste content, instead, you have to upload documents to the tool.

Who is Scribbr Plagiarism Checker Best for?

I recommend Scribbr plagiarism checker to all those who need top-notch plagiarism checking tool to scan their documents. Scribbr plagiarism tool is powered by Turnitin, and that’s why their service is impeccable.

On the other hand, Scribbr is by far the most expensive anti-plagiarism tool on this list and I don’t recommend it 99% of bloggers and web publishers.

You don’t need to pay so much money to get your content checked for duplication.

Sribbr Plagiarism Checker Pricing

Scribbr plagiarism checker doesn’t charge you by subscription but per document check. And the price depends on the length of the document you want to scan.

  • Small document– Up to 7,499 words -$19.95;
  • Regular document– 7,500 – 49,999 words- $29.95;
  • Large document– 50,000+ words- $39.95

Try Scribbr plagiarism checker today!

#6- Unicheck Free Plagiarism Checker App


Unicheck free plagiarism checker tool and app
Unicheck free plagiarism checker tool and app
  • Name- Unicheck text plagiarism detector;
  • Type of Plagiarism Detection- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- no free trial;
  • Refund Available-  no refunds;
  • Coupon code- no coupon code;

Unicheck is an excellent premium plagiarism checker that also has a free anti-plagiarism tool.

Here’s how it works:

First, take the content you want to check for duplication and paste it into the designated field. The word limit for the free version is 200 words.

In this example, I will take some content from my guide to duplicate content and SEO.

Unicheck free plagiarism checker tool ready to test my content for duplicate content

Second, press the “check it” button and wait for the results. Once the report is done you will need to create your free account with Unicheck to access the results.

Open your free account with Unicheck plagiarism checker software

Third, now you can access your results. In my example below you can see Unicheck correctly found duplicate content and flagged the original page.

Unicheck correctly found duplicate content in my test content

And that’s it.

Using Unicheck is very easy and intuitive and you won’t have any problems with it.

Unicheck Plagiarism Checker Pros (What I Like)

  • Free plagiarism checker;
  • excellent service;
  • You can do unlimited scans during the day;
  • Intuitive dashboard;
  • and more.

Unicheck Plagiarism Checker Cons (What I Don’t Like)

  • Weak support for free plagiarism checker;
  • 200 words per check.

Unicheck Plagiarism Checker Pricing

Unicheck plagiarism checker is free!

Who is Unicheck Plagiarism Checker App Best for?

I recommend Unicheck’s anti-plagiarism tool to anyone who can’t afford a paid tool This duplicate content hunter is free, intuitive, and above all, accurate.

#7- Duplichecker Free Plagiarism Checker App


Duplichacker free anti plagiarism checker tool
DupliChecker free anti-plagiarism checker tool
  • Name- Duplichecker plagiarism checker software;
  • Type of Plagiarism Detection- AI-powered plagiarism detection;
  • Works on Mobile- iPhone and Android;
  • Free trial Available- no free trial;
  • Refund Available-  no refunds;
  • Coupon code- no coupon code

DupliChecker is an online plagiarism checker tool that can scan your content for intentional and unintentional plagiarism.

Here’s how to use it.

  • First, go to Duplichecker.com
  • Second, paste the text you want to check.
  • Third, prove you’re human and not a robot.
  • Fourth, get your results.

Duplichecker free plagiarism checker

The limit of text you can check at once is 1000 words. This is very generous given Duplichecker is a free service. The drawbacks of Duplichecker are that the tool is slow at spitting results and the website is loaded with ads.

I use an adblocker which blocks most of the ads, but take a look at how the page is inundated with them when you don’t use an adblocker.

Duplichecker free plagiarism checker homepage full with ads

The tool still work, but it’s very distracting.

Duplichecker Plagiarism Checker Pros (What I Like)

  • Free service;
  • Intuitive dashboard that’s easy to use;
  • Unlimited use during the day.

Duplichecker Plagiarism Checker Cons (What I Don’t Like)

  • Pretty basic duplicate content checker and definitely not the best on this list;
  • Negligible customer support (you can reach them only via the contact page in the footer);
  • Website full of distracting ads, unrelated to plagiarism, paraphrasing, or anything similar;
  • 1000 words limit per check.

Duplichecker Plagiarism Checker Pricing

DuplicChecker Plagiarism Checker has 3 payment levels:

  • Weekly- $5/wk;
  • Monthly- $25/mo;
  • Yearly- $110/yr

Note: Duplicekcer premium plagiarism checker gives you up to 25 000 words to scan at once and the plagiarism checks are really deep and more likely to find duplicates on the web.

However, I don’t recommend you get a premium version of DupliChecker simply because a tool like Originality.ai is much more affordable and equally good, if not better (Originality.ai is the number #1 tool on this list of best plagiarism checkers.

That is not an accident).

Who is DupliChecker Plagiarism Checker App Best for?

DupliChecker plagiarism checker app is a free tool and I recommend it to anyone who can’t afford a premium anti-plagiarism tool.

I don’t recommend Duplichecker to anyone who can afford a paid plagiarism checker. Paid tools are simply far more reliable and trustworthy.

The most affordable and also the best plagiarism checker on this list is Originality.ai. Pricing is 1c per 100 words checked for plagiarism. That’s very affordable.

Try Duplichecker plagiarizing app today!

Best Plagiarism Checker Tools and Apps for 2023 FAQ


Best plagiarism checker tools and apps for 2023
Best plagiarism checker tools and apps for 2023

#1- What are Plagiarism Detection Tools?

Plagiarism detection tools are online apps that have access to large databases which they use to find matches between your text and the text that already exists on the internet.

Plagiarism detection tools are mostly used by universities to check for plagiarism in students’ homework and writing assignments.

But more and more bloggers and marketers use premium and free plagiarism checkers to scan the content they wrote or got from their freelance writers.

#2- What is the Best Free Plagiarism Checker?

The best free plagiarism checker is Duplichecker.

Read below how to use it.

First, go to Duplichecker.com

Second, paste the text you want to check.

Third, prove you’re human and not a robot.

Fourth, get your results.

Duplichecker free plagiarism checker

The limit of text you can check at once is 1000 words which is very generous. The drawbacks of Duplicchecker is that the tool is slow at spitting results and also the tool is loaded with ads.

I use an adblocker which blocks most of the ads, but take a look at how the page is inundated with ads when you don’t use an adblocker.

Duplichecker free plagiarism checker homepage full with ads

The tools still work, but it’s very distracting.

#3- What is the Best Plagiarism Checker Tool That Can Also Rewrite Content?

The best plagiarism checker tool that can also rewrite content is Quillbot. Besides being a plagiarism checker Quillbot is also an excellent content paraphraser and summarizer.

Content summarizing is truly free and there is no paid plan while paraphrasing content is also free but a paid plan is available to unlock additional paraphrasing modes.

You can read my Quillbot AI review to learn more about it.

#4- Can Plagiarism Checking Tools Detect AI Content?

Tools like Jasper AI (review), Quillbot, Writesonic, ShortlyAI, and others boast about giving unique content that can’t be detected by any plagiarism software.

This means plagiarism checking tools won’t detect AI-generated content if the AI tool you used gave you 100% original content.

However, generative AI content can be detected.

For example, Originality.ai is a tool built for AI content detection. You can read my Originality.ai review Originality.ai pricing and my Originality.ai coupon code guides to learn more about it

And there are also other tools that claim to be able to detect all GPT types of AI content.

Check out my guide to the best AI content detection tools to learn more about them.

Pro tip:

Don’t think that you can use Google Bard, OpenAI ChatGPT, Microsoft Bing and Anthropic Claude to generate “unique” content that passes plagiarism checks.

OpenAI ChatGPT, Bing Chat, Anthropic Claude and Google Bard all use different (but similar) generative AI technologies to generate content that’s technically unique but ultimately highly derivative of the content the chatbots were fed during their training.

To learn more about Google Bard, make sure you read my Google Bard statistics guide next.

To learn more about Microsoft Bing, make sure you read my Bing Chat statistics and Microsoft Bing statistics guides next.

To learn more about OpenAI ChatGPT, make sure you read my ChatGPT statistics and OpenAI statistics guides next.

To learn more about Anthropic Claude, make sure you read my Anthropic statistics and Anthropic Claude statistics guides next.

#5- Can Deliberately Making Grammar Errors Beat Plagiarism Checking Tools?

Deliberately making grammar errors can’t beat plagiarism-checking tools.

These tools are sophisticated and can deduce what the wrongly spelt word was supposed to be.

I don’t suggest you submit any content that’s riddled with typos and spelling errors. To make sure you don’t check out my guide to the best grammar checkers now!

#6- Can Plagiarism Checker Tools be Beaten by Online Paraphrasing Tools?

Online plagiarism checker tools can be beaten by online paraphrasing tools.

But it’s not that simple.

Don’t be surprised your content gets flagged as duplicated if all you did was use a simplistic content spinner to switch this word for that word, this synonym for that synonym,

But if you use a pro paraphraser which can change both the words and sentences while preserving meaning, then you’re in the clear.

If you’re interested in paraphrasing software that can do that for you check out my guide to the best online paraphrasing tools next.

 #7- What is the Most Accurate Plagiarism Checker?

The most accurate plagiarism checker on the market is Scribbr. Scribbr is so accurate because it is powered by Turnitin, the tool professors use to check their student’s work for plagiarism and academic dishonesty.

The problem with Scribbr is that it’s a very expensive tool. You need to pay $19/95 per document scan.

#8- What Websites Check for Plagiarism?

There are plenty of websites that check for plagiarism.

In my list here I’ve singled out the best plagiarism checkers on the market.

#9- What is the Best Software to Check for Plagiarism?

The best software to check for plagiarism is Originality.ai.

This plagiarism checker app is hosted in the cloud and you don’t need to download a licensee product in order to start using it.

Instead, all you need to do is open an account, get some credits and start using them to check for duplicate text.

Pro tip: don’t forget to use my coupon code nikolaroza25 to get a 25% discount on your purchase.

#10- What are Some Plagiarism Checkers, that Shows the Percentage of Plagiarized Content?

All plagiarism checkers on this list show you the percentage of plagiarized content.

A tool like Originality.ai goes a step further and shows you directly the sentences that are taken from somewhere else on the web.

#11- How to Check for AI Plagiarism?

Most plagiarism checkers are not able to detect AI plagiarism.

Currently, the only tool can that can detect AI plagiarism is Originality.ai.

Originality-ai-plagiarism-checker-app-toolOriginality.ai is the best plagiarism tool on this list and the only one available to detect AI content and AI duplicate content.

#12- Does Scribbr Detect AI Content?

Scribbr plagiarism checker doesn’t and can’t detect AI content.

The only plagiarism checker that can also detect AI content is Originality.ai

#13- Does Unicheck Detect AI Content

Unicheck plagiarism checker doesn’t and can’t detect AI content.

The only plagiarism checker that can also detect AI content is Originality.ai

#14- Does Grammarly Detect AI Content?

Grammarly plagiarism checker doesn’t and can’t detect AI content.

The only plagiarism checker that can also detect AI content is Originality.ai

#15- Does Duplichecker Detect AI Content?

Duplichecker plagiarism checker doesn’t and can’t detect AI content.

The only plagiarism checker that can also detect AI content is Originality.ai

#16- Does Quillbot Plagiarism Checker Detect AI Content?

Quillbot plagiarism checker doesn’t and can’t detect AI content.

The only plagiarism checker that can also detect AI content is Originality.ai

Best Plagiarism Checker Tools and Apps for 2023 FAQ- All Your Questions Answered! Click To Tweet

Best Plagiarism Checker Tools and Apps for 2023 (Conclusion)


These were the best plagiarism checking tools. apps and software in 2023.

MOst of them are premium and paid, but Duplichecker is free and excellent.

Which one will you pick?

LMK in the comment section below!

Nikola Roza

Nikola Roza is an affiliate marketer and blogger behind Nikola Roza- SEO for the Poor and Determined. He writes for bloggers who don't have huge marketing budgets and who still want to carve out a niche online and a better life for themselves. He's also passionate about precious metals IRAs and how to invest in gold and silver for a safer financial future. Learn about Nikola here, or read his blog posts and guides here.

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