PlagiarismCheck.org helps educators and students all around the world to support academic honesty.

Fight plagiarism. Rank better.

Plagiarism checker, 100% free online tool that checks for plagiarism with quick and accurate results. Just Copy & Paste to detect Copied content.

Copyleaks fights plagiarism and copyright infringement online. We have advanced technology that works in any language and scans the web to detect if your content is being used by other sites.

Easy to use! No Downloads! Excellent Plagiarism Detecting Technology. Noplag - Check Your Paper Online and Detect Plagiarism.

Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your articles are original.

Plagiarism detection software.

The Internet makes plagiarism a bigger problem than ever. Now you can turn the tables on them and find the "forgotten" sources! You no longer have to try single sentences in search engines:

This plagiarism check uses the best of both worlds. The plagiarism detection software from Ephorus and the enormous scientific database from Turnitin. Custom-made for students.

HelioBLAST text similarity engine finds text records that are similar to the submitted query. HelioBLAST uses our super-fast search engine.

PlagSpotter is a revolutionary, online, duplicate content checker that allows users to put their webpage URLs in to start an Internet duplicate content scanning and detection process. The user can get a list of sites that duplicate the original source by displaying excerpts of...

Oxford similarity checker (OxSiC) is a professional plagiarism checker designed for bloggers, teams and individuals. This tool has very attractive pricing model charging only 1c per 100 words checked, what makes it the best priced plagiarism checking tool on the market.