Review: Best 15 Copyscape Alternatives to Fight Plagiarism

Copyscape is regarded as the best tool to fight against plagiarism. It has been helping bloggers and content creators since 2004 in identifying duplicate and plagiarized content.

Using Copyscape, you can find whether your written content is an original one or not. It also helps you to track whether someone is stealing your content and take necessary actions to improve search engine performance.

Though Copyscape offers a free version, to get the best out of it you need to upgrade your account to a premium version. And if you opt for the professional version, i.e. $19.95/month for up to 10 pages, it is a bit expensive.

You might be wondering for an inexpensive or free alternative to Copyscape. Here is a curated list of the most popular Copyscape alternatives.

Top 10 Premium Copyscape Alternatives with Free Plans

Though using Copyscape is the best choice, you could opt-in, but there are plenty of other premium alternatives to fit on your budget.

1. Grammarly

Grammarly is probably the best Copyscape alternative. With the past few years, Grammarly has strengthened into a fantastic tool for error-free writing. Most bloggers use it to polish their writings.

Along with the grammatical error feature, Grammarly also offers a Plagiarism checking feature. Though you can start using Grammarly with their free services, to get the best out of it you need to purchase their premium features. It starts at $11.66 monthly.

Some Important Features of Grammarly Premium:

  • 86% Accuracy Rate
  • Billions of Web Page Databases (16+ Billion approx)
  • 150k+ word limit which is quite higher than Copyscape
  • Highlight passages that require citations and gives you the resources you need to properly credit your sources.
  • Available online (as a browser extension), as an MS Word Add-in, and mobile apps.

Try Grammarly Plagiarism Checker

2. ProWritingAid

ProWritingAid is another smart alternative to the Copyscape plagiarism checker. ProWritingAid is a premium tool that helps in finding duplicate contents against over a billion web-pages, published works, and academic papers.

It is a powerful tool that integrates a grammar checker, style editor, and writing mentor in one package. It also offers a dedicated plagiarism checking service. 

You can have all the features with 50 plagiarism checks per year with the Premium Plus package. Alternatively, you can have 10, 100, 500, or 1,000 checks depending on your checking needs. Minimum Package starts at $10. 

Besides, you can start with their free service by installing the chrome extension.

Try ProWritingAid for Free

3. QueText

QueText is another premium alternative to CopyScape. With features like DeepSearch™ technology, ColorGrade™ Feedback, and Citation assistant, QueText has gained popularity as one of the best plagiarism checkers available.

DeepSearch™ technology allows a user to perform the plagiarism checking process to a deeper level. It not only finds the matched phrases but also capable of finding the duplicate text in spun content.

The built-in Citation Assistant feature helps in finding the unintentional plagiarised paragraphs so that you can add citations accordingly.

QueText comes with a free plan that allows 5 free checks with up to 500 words per check, monthly with a limited number of features such as ColorGrade™ Feedback, Contextual Analysis, Fuzzy matching, etc.

Besides, you might have all premium features at an affordable rate of $9.99/Month.

Try QueText for Free

4. PaperRater

PaperRater is another premium CopyScape alternative with a powerful free plan. PaperRater is an AI based writing enhancement tool that helps in checking grammar, improving writing structure and scanning plagiarism elsewhere in the internet.

Though, PaperRater primarily targets students and teachers, but technically, it is helpful for any type of writing such as blogging, or professional content writing.

The best part of PaperRater is that, it is really fast, typically result comes up within a few seconds. And also, you can use their tool without signing up.

With a free plan, you are allowed to preform 10 plagiarism checks per month. The premium plan which costs $14.95/month allows you to perform 25 plagiarism checks along with other premium features.

Try PaperRater for Free

5. WhiteSmoke

WhiteSmoke is widely regarded as one of the leading English proofreading & grammar software. It is pretty much useful for checking English grammar, spelling, punctuation & writing style. It is also integrated with a plagiarism tool.

WhiteSmoke claims to offer a fast, accurate, and reliable service that scans billions of websites online to make sure your text is not a duplicate one. The best thing about WhiteSmoke is that it has been serving for more than two decades.

WhiteSmoke is best for checking plagiarism for online content by up to 10,000 characters. 

WhiteSmoke lacks a free plan. The premium plans start at $3.75/month. But, surely the investment will be worthy enough as it has a very good reputation over the years. Forbes calls it the #1 tool for writing.

Get WhiteSmoke Premium

6. UniCheck

UniCheck is an advanced and dedicated plagiarism checker service and a powerful copyscape alternative. It is suitable for educators, students, writers, bloggers, and all those who want to create plagiarism-free content.

UniCheck is an intelligent scanning system that has access to 40B+ web pages, educational databases, and institutional library files to compare against your content. UniCheck uses an algorithm that is based on latent semantic indexing, it is a method used by Google to find out the relations or connections between words and phrases.

UniCheck can be integrated into any work environment with the help of its wide variety of plugins and extensions. Unicheck can also be easily integrated into the most popular Learning Management Systems, where it complements LMS functionality without interrupting native workflows.

UniCheck has a free plagiarism checking plan. You can check up to 200 words at a time. Besides, for the best result, opt for a premium plan. The best plan to start with is 50 pages for $10.

Try UniCheck for Free

7. PlagScan

PlagScan is another Copyscape alternative that is solely dedicated to fighting against plagiarism. The European Network for Academic Integrity (ENAI) recommends PlagScan as the best support tool for plagiarism detection.

Plagscan has integrated Yahoo!BoSS-API, the API mostly used by the same plagiarism service providers. You can upload your document to be checked in various file formats or simply copy-paste the text.

Plagscan is very easy to use. You can check the authenticity of your write-ups with a few clicks. It is a very fast tool that checks plagiarism against billions of documents. Plagscan is widely used by various SEO companies to prevent the publishing of copied content.

Plagscan is a premium-only tool that starts with a price of $5.99. You can check up to 6000 words within that plan.

Try PlagScan for Free

8. Plagium

Plagium is one more affordable plagiarism checker online. It is a multilingual plagiarism checker that supports texts in English, French, German, Italian, Portuguese, and Spanish languages.

Plagium accepts a large block of texts and able to analyze up to 2000 words in one search. Plagium offers two different search options according to the need of a user. The quick search options check plagiarism against fewer sources while the deep search provides a more accurate paragraph by paragraph result.

Plagium has a free plan that does not need to register. You can perform both quick and deep search options up to 1000 words limit.

The paid and registered version of Plagium starts at $0.04 and $0.08, for quick search and deep search respectively.

Try Plagium for Free

9. Scribbr

Scribbr is relatively a new competitor in the plagiarism tools market. But, still, it managed to climb up high enough. Their services like Proofreading, Plagiarism Checker, Citation Generator are indeed good in terms of quality.

Scribbr claims to compares submitted documents to over 70 billion web pages and 69 million scholarly publications. Though Scribbr is targeted towards students, it can also be used for purposes like blogging, content marketing.

Scribbr not only finds duplicate content exactly the same as the submission, but it also detects plagiarism in paragraphs where the sentence structure is changed, synonyms are used, extra words are inserted or text from multiple sources are combined.

Scribbr is a premium-only tool and a bit expensive too. Their lowest price starts at $18.95 for 7500 words.

Try Scribbr Plagiarism Checker

10. PlagTracker

PlagTracker is another plagiarism checker with both free and premium plans available. Plagtracker had an early entry in the plagiarism tools market but failed to maintain its reputation over time.

The free version of Plagtracker offers unlimited word count checks. However, the document could be in the queue for up to 30 minutes depending upon the free slot.

PlagTracker claims to check submissions against 14 billion web pages.

The premium version of PlagTracker offers instant results. Grammar checking is another added feature within the premium version. With unlimited checking volume, you can upload your documents in doc,.docx,.txt formats.

The Premium version of PlagTracker costs $14.99/month.

Try PlagTracker

Top 5 Free Copyscape Alternative

1. Plagiarisma

Plagiarisma is the best free Copyscape alternative. Plagiarisma has 10 years of solid reputation in the plagiarism tools market.

Though Plagiarisma targets teachers and students around the world, other professionals such as bloggers, content writers might get a basic plagiarism checking service for free.

With a simple yet powerful web interface, Plagiarisma is an easy to use tool for finding duplicate contents. You just need to paste your texts on the box provided or upload the document and check for plagiarism. It supports documents in multiple file formats.

Plagiarisma supports 180+ languages. It also offers software for popular platforms like Android, Windows, etc.

Access Plagiarisma for Free

2. DupliChecker

Duplichecker is another Copyscape alternative which is absolutely free. Duplichecker is a simple tool that allows you to search for duplicate contents within seconds. You just need to paste the content on the box provided or upload a text file/docx and click on the ‘check plagiarism’ button.

Duplichecker not only deals with duplicate contents but also you can check grammatical errors and spelling mistakes.

Though duplichecker is completely free to use, unregistered users are allowed only 1 search daily. It allows registered users to perform 50 searches per day.

Features at a Glance:

  • Free to Use
  • Fast Results
  • 50 Searches Daily
  • File format supported: .tex, .txt, .doc, .docx, .odt, .pdf, .rtf

Access DupliChecker for Free

3. Plagiarism Detector

Plagiarism Detector has been helping individuals in checking duplicate content for the last decade. It is a free platform that can be utilized by students, educators, bloggers, and content writers.

With the help of the free quick search tool, you can check plagiarism as many times as you wish within the 1000words limit per search. However, for the deep search option, you need to go pro.

You can just copy and paste your text on the box provided or alternatively upload your file. You can even check URLs for duplicate content, which is quite useful for bloggers and web content writers.

Plagiarism Detector pro plan starts at $20 that includes the deep search option and many other premium features.

Access Plagiarism Detector for Free

4. CopyLeaks

Copyleaks is another finely tuned plagiarism detection tool available to use for free. Copyleaks is specially developed to meet the requirements of various user types such as students, educators, bloggers, content creators, etc.

Copyleaks is powered by an AI technology that can find identical and even paraphrased content against billions of webpages and publications.

You can compare two different website contents against one another to find duplicate contents and copyright infringement. Copyleaks supports multiple languages and multiple file formats.

However, for an advanced plagiarism check, you need to opt for a pro plan. The basic pro plan starts at $9.99/month for 25000 words. It is worthy enough, as it is bundled with powerful premium features.

Access CopyLeaks for Free

5. SearchEngineReports

Searchenginereports.net offers a plagiarism checker tool that supports multiple languages. This is the only free plagiarism checking tool that offers 2000 words per search for free.

Besides, you can upload your documents in various formats from your PC or directly from Dropbox. It also integrates plagiarism checking by URL option.

There is no usage limit for the plagiarism checking tool offered by search engine reports. It is best for the basic plagiarism check.

Access SearchEngineReports for Free

Final Thoughts on CopyScape Alternatives

Plagiarism is a curse to the online content creator. Plagiarism can almost destroy a site’s reputation. Plagiarism also plays a vital role in the Google SERP ranking.

All the tools listed above are curated after a long process of study and experiments. Though these are the best Copyscape alternative available on the market, I personally recommend Grammarly.

Grammarly is no doubt a true rising star. It is a perfect alternative for Copyscape. It not only detects plagiarism but also enhances writing skills and removes errors while creating content. 

I might miss some better plagiarism detector in the list provided. Please do not hasitate to discuss in the comment section.

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