Download this app from Microsoft Store for Windows 10 Mobile, Windows Phone 8.1, Windows Phone 8. See screenshots, read the latest customer reviews, and compare ratings for Plagiarism Checker. If you need to check your essay for plagiarism, you can use the PapersOwl online plagiarism checker. We provide this service free of charge for anyone. It is an effective and accurate tool that will scan your document and compare its text with a mass of online material for plagiarism.

  1. Paperrater Plagiarism Checker Free Download Online
  2. Paperrater Plagiarism Checker Free Download Microsoft
  3. Best Free Plagiarism Checker
  4. Grammar Checker
  5. Paperrater Plagiarism Checker Free Download For Pc

Free plagiarism checkers are popular. Many students, marketers and text writers use them to avoid plagiarism. We conducted research to answer two main questions:

  1. Which plagiarism checkers are really free?
  2. How much plagiarism is detected by each plagiarism checker?
Overview of free plagiarism checkers
Plagiarism checkerPlagiarism detectedReally free?Restrictions
Scribbr44%Not freeBest plagiarism checker 2019
1. Quetext29%Only free trial3 x 500 words
2. EasyBib19%Only free trial3 days (credit card required)
3. PlagScan17%Only free trial2,000 words
4. Plagramme16%Not freeOnly shows percentage
5. Copyleaks7%100% free2,500 words p/m for free
6. Small SEO Tools5%100% freeMax. 1,000 words per check
7. Grammarly1%Not freeOnly shows percentage
8. Search Engine Reports4%100% freeMax. 1,000 words per check
9. PaperRater0%100% free10 checks per month
10. Edubirdie4%100% freeMight not be safe to use


  • Almost all 100% free plagiarism checkers detect very little plagiarism.
  • Plagiarism checkers that offer a free trial perform much better. However, you will probably end up paying for the service.

For comparison purposes, we added the Scribbr Plagiarism Checker, which is the bestplagiarism checker as of 2019. It’s not free, but it does detect the most plagiarism of all plagiarism checkers.

Table of contents

When to use a free plagiarism checker?

Many free plagiarism checkers do not detect all the plagiarism in a document. In some cases, this might pose a problem, but sometimes a free version is good enough.

You can best use a free plagiarism checker when:

  • You’re only checking small snippets of text (maximum one page)
  • You want to test it before buying the premium version
  • No one else will check your text for plagiarism

Disadvantages of free plagiarism checkers

Free plagiarism checkers can be useful, but they often have serious disadvantages compared to paid plagiarism checkers. Many free plagiarism checkers:

  • Do not detect all plagiarism
  • Have usage limits
  • Store, publish or even sell your work
  • Have a lot of advertisements
  • Have no customer support
  • Reserve certain features for the paid version

Free plagiarism checker reviews


Ease of use


  • Detects more plagiarism than any other plagiarism checker
  • You can manually delete your document after checking for plagiarism
  • Lists all matched sources
  • Largest plagiarism database


Scribbr’s plagiarism checker is developed specifically for students. Checking your paper, thesis or essay has never been easier, safer or more accurate. The technology used is as advanced (if not more) as software used by most universities.

Besides showing a plagiarism percentage, the plagiarism report includes a list of all sources that are similar to your document. This makes adding a missing citation very easy.

In addition to checking for plagiarism, Scribbr has an extensive Knowledge Base that helps you understand plagiarism so you can avoid it in the future.

1. Quetext

Ease of use


  • Only 3 free checks (up to 500 words)
  • Only monthly subscription of $9.99 possible after free trial
  • Does not detect all plagiarism


  • Simple plagiarism report
  • Built-in citation feature
  • Documents are not stored in database


The generated plagiarism report of the Quetext Plagiarism Checker provides a nice overview and is easy to understand. Similarities are underlined, and a plagiarism percentage is displayed.

Quetext offers a free trial of three checks (up to 500 words) in the hope that users will switch to the paid version of $9.99 per month after the trial ends. Overall, Quetext is a safe plagiarism checker to use. However, if you’re willing to pay money for a plagiarism checker, there are better alternatives, such as the Scribbr Plagiarism Checker.

2. EasyBib

Ease of use


  • Only a 3-day trial period
  • Credit card required to start the trial


  • Built-in citation tool
  • Combined with spelling check tool


EasyBib’s plagiarism checker is developed specifically for students. You can either upload a document or copy and paste text to use the plagiarism checker.

EasyBib detected 19% plagiarism and placed second in this comparison of free plagiarism checkers. Unfortunately, the free trial lasts only three days, after which it’s automatically converted into a paid subscription.

EasyBib is fairly easy to use, and it includes a built-in citation and spell check tool. If this is what you’re looking for, then Easybib’s plagiarism checker might be something for you. Do keep in mind that all the documents you upload are added to EasyBib’s plagiarism database.

3. PlagScan

Ease of use


  • Easy to use
  • No credit card required for the free trial
  • Can be purchased separately


PlagScan completes the top-three free plagiarism checkers. It detected 17% of the plagiarism in our test document.

From beginning to end, the PlagScan plagiarism checker is easy to use. It’s possible to upload files from your computer, copy and paste your text, or upload a file via Dropbox or Google Drive.

The plagiarism report is easy to understand. It shows you a percentage, a list of sources and an overview of your document that highlights the plagiarized text.

Unfortunately, only the first 2,000 words are free. PlagScan hopes that those who like the tool will eventually pay for it. For $10, you can check another 20,000 words.

4. Plagramme

Ease of use


  • Only the plagiarism percentage is shown, not which sections contain plagiarism
  • Account needed to use free trial
  • Text doesn’t maintain the original formatting


With a detected plagiarism percentage of 16%, Plagramme placed fourth in this comparison. The technology is slightly worse than PlagScan and EasyBib. The plagiarism report can be complicated, and it sometimes falsely marks commonly used phrases as plagiarism.

Although Plagramme is on this list of free plagiarism checkers, it’s not really free to use. The free version scans your document and only gives you the plagiarism percentage. It doesn’t show you which paragraphs are plagiarized. To unlock that information, you need to pay around $0.35 per page.

5. Copyleaks

Ease of use


  • Only 2,500 words per month for free
  • Documents are added to the Copyleaks database


Copyleaks detected only 7% plagiarism, whereas other free plagiarism checkers such as Quetext found 29%. That’s because Copyleaks cannot detect plagiarism if a sentence is restructured or when a word in a sentence is replaced.

Every month, you can check 2,500 words for free. If you need more than that, then you can go for the subscription (starting at $11 per month) or for the prepaid option. For an additional 25,000 words, you will need to pay around $10 to $13.

The plagiarism report is easy to understand, and it shows all the sources containing text that is similar to yours. The report displays a plagiarism check percentage and highlights the plagiarized content.

Be aware that every document you upload is added to the Copyleaks database.

6. Small SEO Tools

Ease of use


  • Lot of plagiarism stays undetected
  • Word limit of 1,000 words


  • No usage limit
  • Different views in the plagiarism report


The plagiarism checker offered by Small SEO Tools is developed for marketers. It can be useful for checking small snippets of text for plagiarism, especially if you might have copied exact sentences from other sources.

However, Small SEO Tools does not detect plagiarized sentences that are slightly changed. A lot of plagiarism stays undetected because of this, as can be seen with our test document: only 5% plagiarism was detected.

The plagiarism report has three different views: the “document view,” which highlights all the plagiarized text; the “matched sources view,” which connects the plagiarized sentences to the original source; and the “sentence wise result,” which analyses each sentence separately.

Overall, it’s an easy-to-use plagiarism checker. It works well for small snippets of text, but it’s not suitable for papers and other large documents.

7. Grammarly

Ease of use


  • A lot of plagiarism stays undetected
  • The free version shows only whether a text contains plagiarism, not a plagiarism percentage or which sentences are plagiarized
  • Expensive monthly plans for the paid version


  • Sleek design and easy to use
  • Integrated into the spelling and grammar checker


Surprisingly, Grammarly found only 1% of the plagiarism in our test document. In addition, the free version of Grammarly’s plagiarism checker has very few options for detecting and correcting plagiarism.

If you get a notification that your document contains plagiarism, then you probably want to know which sentences you need to check. To find that out, you’ll need to commit to the paid version, which costs around $12 per month with a yearly plan or $29.95 with a monthly plan.

Is it worth paying for it? If you already pay for Grammarly, then this tool can definitely help you avoid plagiarism. If you don’t, then there are better and cheaper alternatives, such as the Scribbr Plagiarism Checker.

8. Search Engine Reports

Ease of use


  • Lots of distracting ads
  • Every sentence is checked separately using Google’s exact match
  • Plagiarized text is not highlighted; you only get a complex list of sources
  • Original sources are not shown or linked; instead, you’re redirected to Google Search


  • No usage limit
  • They claim to delete all content uploaded to the site


Search Engine Reports’ plagiarism checker detected only 4% of the plagiarism in our test document. The main reason for this is that Search Engine Reports uses Google’s exact search, which means that every individual sentence is searched on Google to see whether a matching source is found.

If you only want to check a few sentences for plagiarism, then this plagiarism checker might help you. However, if you want to check multiple pages, it isn’t useful at all because the plagiarism report leaves you with more questions than you began with.

The plagiarized text it not highlighted, and the report cannot tell you what the original source is. It can only tell you that Google found a similar-looking sentence on another webpage.

9. PaperRater

Ease of use
Paperrater free paper grader


  • Did not detect any plagiarism
  • A lot of distracting ads and fake buttons
  • Only 10 plagiarism checks per month for free


  • Strong privacy policy: your document stays yours
  • Does not check every sentence separately


While most free plagiarism checkers use Google’s “exact search” to check every sentence separately, PaperRater can consider whole paragraphs and conveniently link to matched sources. This makes it really easy to correctly cite the sections you accidentally forgot to cite.

However, PaperRater failed to detect any plagiarism in our test document. Therefore, we do not recommend this plagiarism checker.

10. Edubirdie

Ease of use


  • Possibly sells your document via their essay-writing service
  • Lots of plagiarism stays undetected
  • Common words are falsely flagged as plagiarism


Edubirdie detected only 4% of the plagiarism in our text document, whereas the other free checks found up to 29%. This shows that there are better alternatives to this service. In addition, we do not recommend using the Edubirdie’s plagiarism checker as its connection with its essay-writing service is unclear.

The terms of use, which every user has to accept, clearly states that you grant Edubirdie a royalty-free licence for your work. In other words, they might sell the text that you upload. This is the last thing you want, especially if you’re a student checking your essay for plagiarism.

Frequently asked questions

What is plagiarism?

Plagiarism means presenting someone else’s work as your own without giving proper credit to the original author. In academic writing, plagiarism involves using words, ideas, or information from a source without including a citation.

Plagiarism can have serious consequences, even when it’s done accidentally. To avoid plagiarism, it’s important to keep track of your sources and cite them correctly.

Is plagiarism illegal?

Plagiarism has serious consequences, and can indeed be illegal in certain scenarios.

While most of the time plagiarism in an undergraduate setting is not illegal, plagiarism or self-plagiarism in a professional academic setting can lead to legal action, including copyright infringement and fraud. Many scholarly journals do not allow you to submit the same work to more than one journal, and if you do not credit a co-author, you could be legally defrauding them.

Even if you aren’t breaking the law, plagiarism can seriously impact your academic career. While the exact consequences of plagiarism vary by institution and severity, common consequences include: a lower grade, automatically failing a course, academic suspension or probation, or even expulsion.

How is plagiarism detected?

Plagiarism can be detected by your professor or readers if the tone, formatting, or style of your text is different in different parts of your paper, or if they’re familiar with the plagiarized source.

Many universities also use plagiarism detection software like Turnitin’s, which compares your text to a large database of other sources, flagging any similarities that come up.

It can be easier than you think to commit plagiarism by accident. Consider using a plagiarism checker prior to submitting your paper to ensure you haven’t missed any citations.

Are plagiarism checkers accurate?

The accuracy depends on the plagiarism checker you use. Per our in-depth research, Scribbr is the most accurate plagiarism checker. Many free plagiarism checkers fail to detect all plagiarism or falsely flag text as plagiarism.

The accuracy is determined by two factors: the algorithm (which recognizes the plagiarism) and the size of the database (with which your document is compared). Plagiarism checkers work by using advanced database software to scan for matches between your text and existing texts.

Size of the database

Many free plagiarism checkers only check your paper against websites – not against books, journals or papers previously submitted by other students. Therefore, these plagiarism checkers are not very accurate, as they miss a lot of plagiarism.


Most plagiarism checkers are only able to detect “direct plagiarism”, or instances where the sentences are exactly the same as in the original source. However, a good plagiarism checker is also able to detect “patchwork plagiarism” (sentences where some words are changed or synonyms are used).

Can plagiarism be accidental?

Accidental plagiarism is one of the most common examples of plagiarism. Perhaps you forgot to cite a source, or paraphrased something a bit too closely. Maybe you can’t remember where you got an idea from, and aren’t totally sure if it’s original or not.

These all count as plagiarism, even though you didn’t do it on purpose. When in doubt, make sure you’re citing your sources. Also consider running your work through a plagiarism checker tool prior to submission, which work by using advanced database software to scan for matches between your text and existing texts.

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There is no dearth of online grammar checking tools to help you with writing error-free reports, emails, presentations, and also social media posts. But there aren’t many that are dedicated to (at least in their name) checking student papers and essays, like PaperRater.

PaperRater is a web-based service that primarily helps students check their essays and papers for plagiarism, grammar, spelling, etc. Powered by AI, the tool is designed to help you enhance your writing. It’s not the most robust tool of its kind, but it looks like it’s on its way to becoming one.

Keep reading to learn more about what PaperRater is capable of, its offerings, subscription plans, and, most importantly, what the important and relevant voices online have to say about the website.

What is PaperRater?

PaperRater is an online writing tool that offers plagiarism and grammar checking services to help refine written texts. As the name indicates, the site primarily caters to high school and college students who need help with their term papers.

Powered by AI, tentatively called Grendel, PaperRater lets a student in on the grade they would likely receive for the paper at school. It also allows sending the text or paper to a teacher right from within the tool. Though primarily catering to students, the service could be utilized for any kind of writing, which includes blogging, professional documents, or social media copies.

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According to the company’s owners, PaperRater is an automated tool that provides:

  • Grammar, spelling, and punctuation checks
  • Tips to improve/fix issues and awkward sentence structuring, which includes coming down heavily on passive voice usage
  • Plagiarism detection
  • A grade/score prediction of a given text as it stands

The tool is available in modules that are tasked with individually looking into the aspects mentioned above. There is a separate tool to help build vocabulary. It offers definitions and exhibits how words must be used in sentences.

The service is available for free and also as a premium plan. The paid plan would set you back $11 per month on an annual subscription or $14.95 per month. The free plan should be more than enough for most people, particularly students. However, professional writers or individuals with more stringent requirements will benefit more if they pay for the service, thanks to the paid service’s added features and also the zero-ad experience.

PaperRater Reviews Across the Web

PaperRater hasn’t been around for the longest, particularly when compared to some of the bigger names in the industry. However, despite being relatively recent, quite a few authority sites have had their say on PaperRater and the efficacy of its services.

The following are reviews from across the web, from different websites, in condensed formats. To see the full version of the reviews, click on their respective links.

Get Codeless (Grammar Gang)

“We can’t recommend PaperRater because of their below-average accuracy.”

PaperRater is a unique online plagiarism checker that’s quite promising on the surface. The biggest issue, however, is its plagiarism tool’s inaccuracy. In other words, the plagiarism checker is likely to miss quite a bit of copied content put through its scanner. Device support, reporting features, language support, etc. are underwhelming too.

Low word count and a limited number of free checks per month are other noticeable problems. Free PaperRater users, who are primarily students, can perform no more than 10 plagiarism checks a month. Though these checks provide relevant suggestions, the audits cannot be done for more than 1,500 words, or five pages with the number of words capped at 300 per page.

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On the positive side, customer support is pretty good. You can expect your questions to be answered within hours during working hours. The quality of the response may not be the best, but it would be quick and efficient, nevertheless.

Gotch SEO

“It’s good for research papers and essays, but not that great for conversational or less formal writing styles.”

On paper (no pun intended), PaperRater’s feature set is quite solid. However, when put to use, there are both good and bad things about the service.

The good thing is that it retrieves results quickly. Thanks to AI powering things, the results can be had in no more than 15 seconds. It’s usually around 5 seconds after text submission and for the processing to complete. But these snappy checks apply to grammar and sentence structure only. If the plagiarism filter is added, the processing could take almost double the time. The tool is also quite efficient at checking for major errors in writing, which includes punctuation mistakes.

On the negative side, the website is fraught with misleading ads, which make the website look a bit suspicious or spammy. Also, the tool doesn’t support non-English texts. At times, even sentences in documents written in plain English could get flagged for non-English content. PaperRater is also not good when it comes to dealing with different grammar styles.


“Like any online writing checking tool, PaperRater is not foolproof.”

The thing that might put off most first-time users of PaperRater is its outdated design or user interface. However, that doesn’t take away anything from the tool’s usability, functionality, or convenience. Customer support via email is pretty decent too. Though there is no chat option, the responsive email support team more than makes up for it. There’s a comprehensive FAQ section to boot too.

As far as safety and security goes, PaperRater is completely cloud-based. You, therefore, need not download any software or install a browser extension. Also, the free plan doesn’t need your personal details to get you started. There is the premium plan, which comes with added features such as enhanced audits, no ads, the file uploading option, etc.

Perhaps, the biggest drawback is that PaperRater doesn’t offer the option to have your texts proofread by a real person. As a result, reliability is not a given with the service.


“The tool’s positives are easily outnumbered by its cons.”


PaperRater is an online service that offers grammar and plagiarism checking. Relatively quick to showcase results, the tool can handle both American and British English. However, when making the checks or even when offering stylistic suggestions, PaperRater doesn’t take the context, meaning, and flow of text into account. This makes the tool a bit too unreliable at times.

There is no live chat support, but then that shouldn’t be a problem as it’s not really needed for such a service. On the brighter side, there is a capable email support team and also a FAQs area that satisfactorily answers the most common doubts and questions you may have relating to the service.

PaperRater is available for free with bare minimum features. For those who’d like more features, there is the premium subscription option. The paid subscription service detects information online and offers the source of information and string of words the free version doesn’t provide. This almost makes the free version incompetent at finding plagiarized content. Long story short, if you keep your expectations leveled, you wouldn’t be too disappointed with PaperRater.

“It would take time for this tool to develop into a service that college students would like to totally, unabashedly rely on.”

PaperRater is an online tool that offers proofreading and quite a few other writing evaluation services. However, the biggest problem with the site is that it doesn’t look like a finished product or, in this case, a fully baked site. The tool leaves a lot to desire with its functionality too.

For instance, some obvious errors in texts are not picked up. And in some other instances, correct punctuation and grammar get marked as incorrect. The good thing about it all is that the makers of the tool are constantly monitoring user comments and feedback and working to make the tool better.

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There is also a blog and a fairly robust FAQs section. The blog contains multiple articles that offer tips for writing – such as how to get solid transitions in, writing a conclusion, starting an essay, etc. These tips could be quite handy to students and newbie writers. PaperRater’s FAQs section and blog are certainly promising. However, the absence of chat or phone support is a dampener. There are also no human proofreaders as an option.

Best Free Plagiarism Checker


Despite all the negative press surrounding PaperRater, the online writing tool is not outright bad. You certainly cannot point fingers at the free version of the tool. But if you are paying money, you have rights and also reasons to complain.

The biggest issue with the tool is that it promises a lot but doesn’t deliver on them to satisfaction in practice. And that has got a lot to do with the newness of the site’s AI engine, Grendel, which is still in its infancy (at the time of writing this). The site’s design and user interface are also not the most modern-looking, which only exacerbates the reliability issues (albeit psychologically).

Grammar Checker

If you are worried about the site or its services being genuine, however, you need not as the site is safe to use and a legal offering. The payments on the site are handled by an SSL-certified, third-party company. A minor negative in this regard is is not a BBB member – something that a reliable service provider should always consider having.

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Long story short, the site certainly works but it looks more like a work-in-progress. Needless to say, it has a long way to go before it could truly compete with bigwigs such as Grammarly and ProWritingAid.