20 Tools You Can Use to Detect Plagiarism

With the ease of finding things on the internet students have an easy way to copy others information/papers when having to write a paper for a class. There are some great tools available (both free and paid) you can use to check if you detect possible plagiarism. Here are those tools:

Free Tools
Paid Tools
Google Search – The easiest way to check for plagiarism is to use Google Search. Put any suspicious sentences in quotation marks and run a search on the quoted text.   
Plagium – Detects and identifies possible plagiarism. Free, but it will require you to sign up for an account and purchase search credits if you use it often. 
DupliChecker – Uses search engines to search the web for texts similar to yours. 
SmallSEOTools – Another tool that uses online search to look for similar sources.  Plagiarisma – Check duplicate content by copying and pasting text, uploading a file, or inputting a URL on the web. Paid version available. 
PaperRater – Also offers grammar and spelling check, as well as writing suggestions. Free of charge up to five pages. 
Plagiarism Checker – Easy to use and completely free. Uses Google and Yahoo search engines to search the web for duplicate content.  PlagChecker – Another completely free tool, this is ideal for students and teachers. Premium access required for file uploads. 
Plagramme.com – Offers a detailed plagiarism check for both free and paid subscribers. 
Writer – AI-enabled algorithms scans the internet for duplicate content and flags pieces of your writing that require citation. 

Grammarly – Primarily a spelling and grammar checker, Grammarly Premium checks your text for plagiarism and other writing issues. 
Bartleby – Similar to Grammarly, but it has an integrated citation builder. 
Viper Plagiarism Checker – Offers a pay-as-you-go pricing scheme depending on the number of words you want to review. 
PlagScan – Generates easy-to-understand reports that highlight potential plagiarism in your content. It can be integrated with apps like Google Drive and Dropbox, and it offers pay-on-demand pricing. 
Copyleaks – A powerful AI-enabled plagiarism checker that can detect identical and paraphrased content.
Copyscape – Looks for copies of your webpage across the internet. Set up alerts for when new copies of your content are published elsewhere on the internet.
Turnitin – Ideal for universities and other academic institutions. Unicheck – Reliable online platform for academic institutions. Can be integrated with many LMS platforms through API.
Quetext – Checks up to 2500 words free. Offers contextual analysis and conditional scoring in a simple and clean interface. WhiteSmoke – Offers a software that can be integrated with Microsoft Outlook, Word, and most browsers. Includes grammar, spelling, and punctuation checkers. 

These are provided courtesy of Uprinting.com. They have created the Complete Guide to Plagiarism: How to Detect it and Prevent it. In addition to the resources listed above it includes Plagiarism Resources and Guides for Students, Different Forms of Plagiarism, and Tips to Avoid Committing Plagiarism Accidentally.