duplicate content checker

what is the best plagiarism checker that actually works to detect the copy content, previously I'm using Copyscape and Grammarly but I want something better than two tools. Thanks in advance :-)

Hello guys, In my blogging experience, I've seen many online plagiarism checker for students, teachers and bloggers. But from my experience, I listed top 6 tools which detect duplicate contents quickly and also helps to remove plagiarism issue. Grammarly: All time most popular and best tool for...