Model Heading

Limit: 1000 words / search.
OR /  Select File .doc / .docx / .pdf / .txt
Total words: 92 Total Chars: 93
Show Advance Options Select Language:

Tool Features

  • Generate Reports

  • You can generate repost for each article you check at and share it with your colleagues.

  • Upload Files

  • Check Plagiarism by directly uploading .DOC / .TXT / DOCX / .PDF files.

  • 100% Safe & Secure

  • Any article you check at is 100% Safe & Secure. we do not save your content.

  • Keywords Density

  • Check keywords density in your content, by one word, two words and three words.

  • Grammar Checker

  • Check spell mistakes and also errors in your writting styles and in your grammar.

  • Compare Text

  • Compare full text with any matched sources. You can also compare each sentence separately.

Add this Tool to Your website

Add Prepostseo free plagiarism checker tool to your website and allow your users to scan papers, Articles and documents directly from your website. To use, simply copy the code given below and paste it to your webpage where you want to display it.

How to check for plagiarism

No rocket science involved to check the paper for plagiarism, all you have to do is paste your content that you want to check for plagiarism and click on the submit button. Now let our online scan tool handle rest of the things.

Understand the results:

When you will paste your content into the input box to check plagiarism, our tool will parse your full article into small sentences of 7-10 words. After sentences parsed it will start checking plagiarism for every sentence and will display results real time in front of you. We try to provide you best anti-plagiarism report for your content.

How to avoid Plagiarism?

If you are a student, writer or an author of a magazine you will definitely like to submit 100% plagiarism free article. Some plagiarism tools check your content once and display you the overall result for your assignment or whatever you submitted to check plagiarism. But PrepostSEO online plagiarism checker free to use and it check your essay sentence wise and go through each and every word.

If you want to avoid plagiarism for content, then there are a lof of ways by which you can make your content 100% unique and usable. Secondly do not try to re-write content by using online re-writers because those tools might help you to pass plagiarism for your content but they ruined your content grammar, spell and writing style.

Prevent Content Stealing

Plagiarism Checker Widget

Plagiarism widget is now available; you can add this plagiarism software in your website.

Get Code

Wordpress Plugin

Wordpress plugin allows you to check the originality of your post, directly from the WP panel.

Get Plugin


How plagiarism is being Checked

The text you enter is scanned sentence by sentence on the search engines. There will be two type of results.

  1. If the sentence that is checked already exists on the internet, a red alert will appear and content will be labeled as plagiarized.
  2. And if your content is unique, a green alert will appear against that sentence. After a full scan, an overall result will show that how much unique is that article.
  3. Keywords Density: Calculate the keywords density of your content and give results for One word, Two words, and Three words keyword density. Check Prepostseo separate keyword density checker tool.

Online Plagiarism Checker

PrePost Plagiarism Checker is widely used to check the originality of content. You can Detect Plagiarism by just copy pasting the content or by uploading files. Using Plagiarism Detector is essential for protecting your content as duplicate Content is not acceptable by the Google. Plagiarized content can harm your website and down your ranking in search engines.

We respect our users, Any article you check at is 100% Safe & Secure. we do not share any of your content publicly. Also, we do not save your content in our database.

100% Free Tool:

We were planning to make this plagiarism software totally free and now we made it! You can check plagiarism free with unlimited searches.

What is Plagiarism?

Plagiarism definition is "The process of copying the data from the internet or getting someone’s idea and then sharing it as your own data is called plagiarism."

This is highly undesirable practice and is considered as fraud as it involves immoral activities of stealing the data or idea and then lying about it. Because of this cheating activity, many software has been launched which are used to detect for plagiarism. The main purpose of using this software is to check the instances of the copied data. The online duplicate content checker not only checks the stolen instances of data but it also tells the sources of that stolen data.

Prepost SEO copy pasted content checker is specially designed for students, writers, teacher and webmasters to check papers, assignments, essays, thesis, and articles. It is best online text checker for students and webmasters and for educational institutes. With our anti-plagiarism software, you can generate online reports and share it (All reports are 100% secure, only you can view those reports). Universities and colleges named our Tool as "Best plagiarism checker online".

PrepostSEO developed this online detector for writers to check their article to avoid their content to be plagiarized. To make this online plagiarism checker fast, we tried every method to improve the user experience. This Online Software not only checks plagiarized content percentage but it also shows you the grammar and spells mistakes in your essay, article or assignment. If you want to compare two documents for plagiarism you can use plagiarism comparison tool.

What are other parameters shown?

When you start using plagiarism checker online then you also have to check other things about the content that you are going to submit. So why also display content status, keywords density and other useful information that can help you to improve your content.

Types of Checkers

This software usually contains a box where you can copy paste the lines or paragraphs which you want to check for plagiarism. All the plagiarized lines and paragraphs will be underlined in red color and the percentage of underlined data will also be shown. This tool is also used in search engine optimization. It is used by students to check the papers or assignments and make it original by deleting all the plagiarized phrases. Similarly, teachers also use it to assess the knowledge level of the student. SEO specialists are using this tool to check their hired freelancers as they need 100% unique content from them. Publishing the duplicated data is a big crime and in order to minimize this risk, almost each and every website uses this tool before publishing the content.

When the process of searching your content from search engines finished you can also generate reports to share it with your teacher, author or with your writer.

Share on facebook Share on Tweet Share on Goolge+
Want this plagiarism checker tool for your School, College or University website?

Android App

Download prepostseo Andriod App and check your papers directly from your mobile.

What Is Comming Next

Also we are developing a separate Tool that will help universities and collages to embed this online software to their student’s portals or on their educational websites.

If you have any suggestions regarding our plagiarism checking tool, you are welcome to contact us.

Feedback from our users

Prepostseo has 90,000+ happy clients including Webmasters, College Students, University Teachers and Content Writers around the globe. Positive feedbacks from previous customers are enough proof that we have the most accurate plagiarism checker.

Well a lot of online plagiarism checkers are available but no one was proving the reports. Those who provide were very poor or un-trustable. As a writer I have to show my clients that content is 100% unique. Prepostseo is the perfect plagiarism report generator I found over the internet. Most of all my content is 100% secure.

~ Hira ~
Writer, freelancer

PPS plagarism checker is best and easiest plagiarism scanner available. I have to check my papers on regular basis because plagiarized assignments are not acceptable. Thanks for your great effort to make this tool free for normal users.
it's the best online plagiarism checking software. Very fast and accurate.

~ Asad Ahsan ~
CEO, xclicx

I was always worried about posting articles to my blog because I was unable to find a premium quality plagiarism analyzer. But I am thankful to the whole team of prepostseo who made this awesome tool.

i think this is the only single tool available on internet that check content deeply.

~ Muddsar Sardar ~
Manager, KRT Solutions

Grammar Checker

PrePost Grammar checker helps students, writers and teachers to write better English. It improves your text by correcting complex expressions & spelling mistakes.

View Tool
Plagiarism Comparison

Plagiarism Comparison Search tool compare two documents to find out the duplicate content percentage between them. you can compare two files or two webpages.

View Tool
Article Re-writer

Free online article re-writer to spin your text. Re-write your articles, documents, assignments to prevent plagiarism.

View Tool
Similar Page Checker

Similar Page Checker, Checks similarity in design , meta tags and text between two different urls. Just copy paste both web urls and let the tool handle rest of the algorithms.

View Tool


From SEO Experts to Hosting Companies, Our Tools are discussed by top digital marketing experts. Our remarkable record forced users to discuss our tools to their websites.

Amazing Host
Marketing Spot