Plagiarism checker that checks in real-time web and against the largest dataset of scholarly material

Imagine that you are publishing your papers with the full confidence that there is no plagiarism left.
Simply because you know that you have checked your paper with every single scientific article which was ever published.
This is what we do.

The Mission

Plagiarism checker database comparison

Largest database of scholarly material

The only way to assure the full authenticity of any publication is to compare it with every single published article. By setting this goal, we realized that to achieve it, we will need to examine your documents against every single scientific article ever released.

Right today, we allow you to check your publications against 80 million scholarly articles. This is about 80% of all DOI articles and nearly twice as much as the nearest our competitor check against. By using Oxsic, you will reduce the degree of misdetection of plagiarism from 53% (if using our closest competitor) to 24% only.

Core Features of Oxford Similarity Checker

Largest scholarly database


Our comparative database includes more than 80% of all DOI-registered scholarly articles. Our nearest competitor compares papers against 47% of scholarly articles only. This dataset is crucial for plagiarism prevention in the research process.


Instant comparison against 60 billion online documents such as articles, books, journals, magazines, encyclopedias. Our crawlers instantly index the content which appears on the internet. We will find the content after 10 minutes of its publication somewhere on the web.

Team management tools


The tool can be adapted to compliment and fit your team’s needs fully. Whatever you imagine, whatever structure you decide to create, the tool will grant you every resource needed for that.

Additional features

Oxsic is designed to deliver high-end plagiarism checking solution as a cost-effective alternative to current plagiarism checker services. Find out the best what we may offer for you.

The algorithm of plagiarism detection is fully multilingual. Our tool is able to fully comprehend and analyse the text, detect the language it is written in and find plagiarism. The algorithm also works with papers which are written in several languages. Currently, 129 languages are supported.


Paraphrasing could not be all that visible to the naked eye. Still, the paraphrasing plagiarism is one of the biggest plagiarism issues currently. Oxford similarity checker effectively catches and seeks out any paraphrasing instances.


Risk indicates the probability of the text being labelled as a copy. Arguably the most essential score out of all, plagiarism risk identification allows checker to know whether what they have on their hands is the real deal or a hoax.


Every user gets access to a database for their own use. It is private, discreet and truly yours since you can upload and delete documents on demand for full control of the system.


Is it really worth using a tool if it’s extremely slow? Our tool can check pages as fast as in 6 seconds much quicker than our competitors.


You will be able to use the service via our API. API will allow you to build your own solutions or integrate in your CRM our core technology.

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