1、 Copyscape

http://www.copyscape.com/

This website provides a service to check whether the web page is plagiarized, and there is an input box for a URL when the home page goes in. However, if a URL is frequently queried during the month and the maximum number of times it has reached its limit, you will need to register as a Platinum user to continue to query the page.

2、 Dupli Checker

http://www.uplichecker.com/

This website can directly paste a piece of text into the input box query, but the number of words per query cannot exceed 1000 words (there will be word count reminders); You can also select a file (wor document or Notepad document) to upload the query, if the results appear, you can click Compare Text to see the situation.

3、 Plagiarisma

http://plagiarisma.com/

The site can either search for text directly (more than 190 languages are supported), query for a web page, or upload a file query. However, for text, the option to query via Google is only available to registered users.

4、 Plagspotter

http://www.plagspotter.com/

The style of this homepage is very cute (cough), not only can you query a web page, but you can also use their Batch Search feature to query the entire website. Even for free users, there is no need to worry about query results being limited. The service also includes daily automatic monitoring of your content and giving percentage data, among other things. The principles of search queries are also explained in detail below the home page.

5、 Grammarly

https://www.grammarly.com/

This website provides a variety of grammatical correction modifications, synonym substitution suggestions, punctuation correction and other functions, as well as checking services for similarities, which can be said to be a combination of functions.

6、 Plagiarism Checker

The site is fully equipped with services to review documents or web pages. There are detailed steps on the front page, which can be used by both teachers and authors.

7、 Plagium

http://www.plagium.com/

Some features of this site are charged, but free checks are available, as long as the content is not too long. Therefore, when the small partners are in use, they can intercept the parts of themselves that are more uneasy and search for it.

8、 CopyGator

http://www.copygator.com/

Finally, this website is actually a website that monitors blogs, and its role is also cute, which can monitor whether the blog name, content, pictures and RSS, Fee, etc. are plagiarized, and small partners can also play and play.