Best plagiarism checkers

The Best Plagiarism Checkers You Should Consider Using

On the web, content has grown significantly in recent years. Most companies are struggling even to enter the race, let alone stay up.

Regrettably, the rising demand for content creation does not always contribute to the originality and the quality that the search engines and consumers look for.

Generating duplicate content has become a solution for some to keep pace. However, it’s important to understand that if you plagiarize content from other websites, you risk damaging your own SEO.


Plagiarism is the practice of claiming credit for the work of other content creators.

Oxford University defines the following as plagiarism: “Plagiarism is exposing the work or ideas of someone else, with or without their agreement, to you without full recognition, by incorporating them into your work. Intent or careless or accidental plagiarism may be the case.”


  • Plagiarism global: Using someone else’s whole text as your own.
  • Plagiarism by paraphrase: Rewording thoughts of someone else without a quote.
  • Word-for-word plagiarism: Copying a text excerpt directly without a quote.
  • Plagiarism in mosaic: Combining without citation texts and concepts from many sources.
  • Autoplagiarism: Repurposing concepts and pieces of content ffrom prior work.
  • Mistaken quote: Inadequately providing the requiredadequate information of your original reference.

Google and search engine algorithms rank sites in their results based on their unique content, so if you’re a blogger trying to get to the top of the search engine, it’s better to avoid duplicate content.


How to avoid plagiarism when writing

It’s not as tough as you would think to prevent unintentionally plagiarizing another website and to keep an eye on your own so that your material isn’t scraped and copied. Follow our  quick checklist for original content:

  • Provide your authors and editors with clear guidelines.
  • Make sure that each article adds something new and exciting to the conversation.
  • Hiring low-cost writers is not a good idea. Don’t forget that you get what you’re actually paying for.
  • Check and double-check all sources.
  • The easiest way to guarantee unique content is to use plagiarism scanners.

5 points to consider when purchasing a plagiarism checkers

#1 Usability – Is the tool easy to use? Is it possible to upload documents in a variety of file formats?

#2 Precise results – What is the percentage of errors? And what’s the precision rate of the software?

#3 Alerts & Reporting – If the tool identifies plagiarized content after it has been released, would it give you an email alert or even a comprehensive plagiarism review?

#4 API Access – API Access* Do you have access to an API for the plagiarism checker?

#5 Price – Is the tool within your price range?


Top plagiarism checkers

💡 Pro tip: Some of the free tools below have premium plans as well, and some of the paid tools have free plans as well. So we recommend that you check the pricing pages of the most interesting products to evaluate which plan is ideal for your needs and objectives.

Grammarly’s plagiarism checker can identify plagiarism in billions of online pages.  When you use Grammarly’s free online plagiarism check, you’ll get an instant review that tells you whether or not plagiarism was discovered, as well as how many grammatical and writing faults your work has. Grammarly’s Premium plagiarism checker flags particular phrases and provides source reference information, calculates originality score, and delivers advanced writing comments and recommendations.

Pricing: Free/Paid

The free Copyscape services offer copyright protection online, making it easy to find plagiarism and identify content theft cases. The Copyscape Premium service has more advanced plagiarism detection than the free version, as well as additional capabilities like Batch Search and offline content verification. Copysentry provides ongoing prevention by automatically scanning the web for duplicates of your pages and notifying you through email when new copies are discovered.

Pricing: Free/Paid

3.

The Writer’s online plagiarism checker is a useful tool for students, instructors, professionals, businesses, and authors. When you submit your work, it will be automatically checked for plagiarism, and any grammatical problems, such as missing commas, improper verb conjugations, misspelled terms, etc.

Pricing: Free

Unicheck is a cloud-based plagiarism detector that detects both text and reference similarities. Large blocks of text are broken down into smaller sequences. These text blocks are then used to search across the web index to identify similarities. This technique is based on latent semantic texting, which Google also uses to find common relationships between words and phrases.

Pricing: Free/Paid

PlagScan compares a document to web documents, journals, and an internal repository when it is searched. Millions of documents are checked for plagiarism each year by the software. It is capable of detecting plagiarism and detecting similarities. However, this software is best for assessing whether the project is authentic rather than detecting plagiarism regarding its usability. PlagScan is compatible with all common file formats.

PlagTracker is a trustworthy tool that assists instructors, students, marketers, and anybody involved in creating content. This program was created so that it can ensure a complete scouring of the text to detect all types of plagiarism. The text is compared against a vast database of online pages and scholarly papers by the software program. The program generates a report that allows the user to view all the links where the detector found the plagiarized material.

Pricing: Free/Paid

7.

Quetext is a straightforward application with a robust backend. This program uses contextual analysis, fuzzy matching, and conditional scoring to provide a comprehensive plagiarism report using the Deepsearch technology. It also includes a citation tool. This is helpful for academic and scientific paper writers who need to produce citations for articles or research papers that they mention in their work.

Pricing: Free/Paid

8.

The Scribbr Plagiarism Checker, like other plagiarism checkers, finds duplicate sentences. However, it identifies plagiarism in sections where the sentence structure has been altered, synonyms have been employed, new words have been added, or content from several sources has been mixed. Scribbr’s database contains journals and books, giving them a significant advantage over other plagiarism checkers.

Pricing: Paid

Copyleaks uses advanced artificial intelligence-based algorithms to identify plagiarism, paraphrased content, and similar text in over 100 languages. It can compare text online and do comprehensive searches throughout the internet and other databases for comparable information, presenting only relevant results and assisting you in avoiding plagiarism.

Pricing: Free/Paid

ProWritingAid compares your writing to a billion previously published works. Their system compares your work to a variety of online and offline sources, including databases containing thousands of publications and papers, as well as billions of websites. The program highlights all information that is an identical replica of someone else’s work. You can see where you’ve copied and pasted someone else’s work. It also displays your proportion of similarity to other people’s work, which may assist you in figuring out where you need to paraphrase or utilize quotations more effectively.

Pricing: Paid

11.

Plagramme checks for plagiarism in real-time. The software starts with identifying the types of plagiarism, which might include global plagiarism, invalid sources, mosaics plagiarism, and auto plagiarism. You will be given a similarity score and a report, which will show you how many similarities were identified in your work.

Pricing: Free/Paid

PlagiarismCheck.org assists in the detection of similarities and provides objective findings. It simplifies the evaluation process by automating the plagiarism check and providing full results with highlighted plagiarized portions and plagiarism sources. PlagiarismCheck.org detects concealed plagiarism in academic writings, allowing you to avoid reputational issues and improve the quality of education at your college.

Pricing: Free/Paid


Wrapping up

Plagiarism on the internet is not only illegal, but it is also a terrible business practice.

You know what the search top implies. You know what it means.

A duplicate content penalty may drag your website into the pits of Google purgatory and make it difficult to get back on the right track. 🥵

Avoid getting in trouble by ensuring that your site material is original and stands out from the crowd.

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