Quetext

Programmed by intelligent algorithms, Quetext is one of the best plagiarism checkers available today. For these, the tool helps identify duplicates in websites, news sources, online textbooks, citation generators. The application shows duplicate errors with corresponding colors to help users easily distinguish.

A prominent feature of Quetext is Deep Search, which helps content be compared with more article sources to give more accurate plagiarism results. However, this feature is not free for you to use, you need to pay a monthly fee to use it.If you don't want to pay the monthly fee, you can use the free version.

Pros:

• Provide a summary score for plagiarism
• A free plagiarism checker for teachers only
• Check plagiarism easily with one click
• It keeps documents private

Cons:

• The free version doesn’t include DeepSearch Technology
• $9.99/month when using advanced features

Link: https://www.quetext.com/plagiarism-checker