How to check the duplicate content?

[SultanMirza]

Hello Friends
How to check the duplicate content?

[phaman6]

<!-- m --><a class="postlink" href="http://www.copyscape.com/">http://www.copyscape.com/</a><!-- m -->

paste your paragrapth to this page and check

[RH-Calvin]

Duplicate contents can be checked using various online tools like Copyscape. These contents are harmful for your website and should be removed immediately to avoid search engine penalties.

[RajGawdi]

You can check the duplicacy by using different tools available online but i will recommend copyscape. Till now it is the best tool i used