PlagiarismCheck.org — check for plagiarism & AI with an accurate tool and be sure your texts are safe. Use grammar checker to fix grammar mistakes.
Listing updated:May 20, 2025
Works with:
32M+
Overview
Check ✅ your texts for plagiarism & AI fast and easy right in Google Docs™!  Enhance your writing skills by making sure your texts are original, and using a built-in powerful grammar checker.

A modern user-friendly tool to check plagiarism and detect AI in your documents in no-time. 
See what sentences are potential plagiarism with a source or potentially AI-generated. Correct the findings and polish your writing with a grammar checker to submit your best work.

How to check for plagiarism in Google Docs:
- Install PlagiarismCheck add-on for Google Docs
- Launch it in Extensions → PlagiarismCheck → Start
- Click “Proceed” to get your text checked in a few moments
- Should you need to compare similarity to a source or download a pdf report - click “Open report” 

⚠️ Important
- If an add-on doesn’t start, and you see an error related to a Google Drive — probably you are signed in in many Gmail accounts which block the add-on. Consider signing out to use the one you installed our add-on from, or open the document in an Incognito.
- If you see the “Not enough pages” message, it means that to check your text, you need to top up your balance in our tool. Every check withdraws pages from your balance (1 page = 275 words). To add more pages, click “Buy more pages” or follow this link  https://plagiarismcheck.org/prices/?individual=.

PlagiarismCheck.org service was created in 2011 as an assistance tool designed for college students and teachers. Since the day it was launched, PlagiarismCheck.org has served hundreds of thousands users worldwide.

An accurate plagiarism check Google Docs is a useful tool that helps you to make sure you didn’t use someone else’s words. AI detector google doc allows you to see if a document contains AI-generated text. Get the most from your work by keeping it original and authentic, and brush-up your writing skills.

The Mechanics: How It Works

Upon scanning an uploaded document for plagiarism, our service provides users with detailed reports, containing detailed information about the sources which might be plagiarized, or were cited incorrectly. With such reports, you will be able to easily eliminate plagiarism from your paper.
Mission Statement

PlagiarismCheck.org was founded by the idealists believing that every person creating written content — be it for school, work, or for fun — should have equal opportunities in accessing anti-plagiarism software.
We keep updating our products to meet the expectations of our users. We are dedicated to excellence and always make sure that our anti-plagiarism engine provides only the most accurate results for a fair fee. This way, we maintain our reliability and usefulness to our customers.

We believe that deliberate plagiarising is unethical and unacceptable. Unfortunately, there is always a chance of unintentional plagiarizing. We believe that any person in the academic environment should have the possibility to insure themselves from it. In order to protect yourself from unnecessary accusations and always stay on the safe side, we recommend you using our anti-plagiarism software.

Ethical Statement

PlagiarismCheck.org neither respects, nor promotes academic dishonesty in any way. Be it academic environment or elsewhere, our engine is meant to be used for ensuring the originality of written content, and for preparing it for submission. If our engine is used for cheating purposes, all responsibility rests on the user.

We respect the privacy of our users, so we guarantee that none of the information you as a customer provide us is ever disclosed to third-party individuals or companies.

We strive to make our services helpful in the matter of improving the quality of education.Therefore, we fully appreciate and respect PlagiarismCheck.org being used for academic assistance at schools, universities, colleges, and other educational institutions.
Additional information
PricingFree of charge with paid features
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Reviews
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Seruwaia Bua
October 20, 2025
An extreme environment is defined by conditions that deviate significantly from those typically found on Earth, making them inhospitable to most life forms. They are also characterised by harsh conditions that challenge the survival of most life forms. These environments can include extreme temperatures, pressures, acidity, radiation level, and other factors that make them inhospitable. The value of the extreme environments despite their harsh conditions, extreme environments hold significant value due to their unique resources and potential for scientific discovery. These environments often host extremophile organisms that have adapted to survive in extreme conditions which can provide insights into the limit of life and potential. MRS GREN is the life process that both Penguins, and seal organisms carry out. The first one is movement, they can move all parts of themselves to find such things as water, food, life and mates. With respiration, they can burn up food inside their cells to release the energy needed to run the other life processes because respiration can happen with or without oxygen. For sensitivity, they can detect changes in their environments and are able to respond to them. Growth, they can make more cells to get bigger in size over time or replace injured cells. As for reproduction, they are able to produce offspring and keep the species going and excretion they can excrete waste product, e.g. trees loose leaves, and also produce urine and sweat. Lastly is nutrition, they only consume seafood to supply energy and raw material for growth. The biosphere provides requirements for life such as energy, gases, water, soil, and favourable temperatures. Where life exists includes the lithosphere, hydrosphere, and atmosphere that is made up of dead organic matter and living things that can be plants, animals, and microorganisms. It also carries out those seven life processes and is also adapted to the environment. Antarctica is mostly covered by 89% of ice, and is surrounded by the Southern Ocean. There are very few rivers and lakes are permanently frozen. In the summer this ice breaks up and melts as it drifts north, which can be the size of a small country, forming at the cost as ice sheets and glaciers break up into the sea. Antarctica has long cold winters, and short cold summers. Springs and autumn are very short. It has about six months of daylight from 21st September to 21st March, and then six months of darkness from 21st March until S
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Isabelle Santos
July 31, 2025
AI detector caught generated content I was also doubting about, it confirmed my suspicion. very useful. I liked that the report was easy to read and kept the formatting, to spot the problematic parts easy. It even lets me compare text directly to online sources. Only downside: more free pages please. Would be better with more flexibility for young teachers.
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Kwame Owusu
July 17, 2025
this is the most user-friendly plagiarism checker I’ve used. The document remains visually intact in the report, which makes it easy to spot problematic parts The AI detection feature is a huge plus, More free pages would make this perfect for small business use.
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Ashutosh Raj
July 7, 2025
Honestly, I wasn’t expecting much, but this plagiarism checker really impressed me. It kept my formatting perfectly and gave me a detailed report that was easy to follow. The side by side comparison with sources made identifying issues much simpler. I used the citation tool too, it's super helpful. Just wish it allowed more than a 1 free scan.
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Amelia Winslow
June 27, 2025
This tool really helping me to show students what is wrong. The PDF report is very easy to understand and show exactly what text is copied. I like that it saves the format of work so I can see the wronged highlighted parts just by a quick look. It even links sources right in file. I recommend for other teachers to try it also.
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fiaz ahmed qamar
June 28, 2025
NEBOSH INTERNATIONAL GENERAL CERTIFICATE UNIT IG1 Week 1: Elements 1 REVIEW QUESTIONS Guide to Review Questions The Review Questions provided as a student resource are designed to test students’ knowledge and understanding of each topic (element by element). They can be used to stimulate discussion in the classroom or provided as a take-home exercise to be completed individually. The Review Questions are based on the Study Questions contained in the RRC Course Book. Element 1: Why We Should Manage Workplace Health And Safety 1. Why might health and safety not be seen as a priority by the management of an organisation? • Competes with other business aims: Managers aims to meet targets and increased output causing safety practices overlooked • Require time and resources: Long term safety improvements may postpend in favour of short-term achievements or goals • Seen as a cost to business: Management may see Health and Safety Investment equipment training is non-essential expenses especially in tight budget • Ignorance of true cost of injury or illness: Managers did not aware from the true cost of injury or illness which may be bear after occurrence of an accident (compensation, legal penalties, loss of production etc) • Ignorance of legal duties: some managers believe to just meet the minimum legal requirements Ignorance of hazards • Lack of external enforcement if there is not scheduled or recent audit or inspection from enforcement agency safety might or not seem urgent or necessary from the management • Absence of worker engagement or feedback: without employee complaints or reports management might believe there are no safety concern to address. • Pressure from the clients or deadlines: the tight deadlines of production or order may push manager to cut concerns, compromising safety to deliver faster, • Absence of Safety culture: in organization leadership where doesn’t promote safety it’s not valued or enforced at all level • Neglect of safety due to low history of accident or incidents: if there has not been recent accident occurrence in organization management might assume everything is safe and not consider to proactive approach. 2. Define: a) Health The absence of illness or disease particularly in relation to work activities, and may say a state of complete mental physical and social wellbeing is known as health for example asbestos create a health risk, if you inhale asbestos dust, you may cause
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Michael Mangrove
June 13, 2025
As a literature teacher, I’ve seen every creative excuse in the book. PlagiarismCheck.org lets me verify work without judgment. The PDF reports are easy to share with students and parents, and the formatting highlights issues clearly. I especially appreciate being able to open original sources directly from the report itself.
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Chen Wei
July 31, 2025
I appreciate how this tool saves the document’s formatting and highlights problematic sections clearly. PDF report is easy to share with students for feedback. I especially love the side-by-side source comparison, it's great for teaching citation ethics
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Steven Fondren
June 15, 2025
Although it only allowed me 275 words in my 1 trial "page", all 275 words were 100% AI generated. As a Technology Coordinator, I am continually looking for easier solutions for my teachers to help combat the growing misuse of AI tools by students. I was very hopeful for this one at first. However, the report told me that my document had 0% AI generated content. Quillbot gave it an 85%. I am really looking for something that integrates with Google Workspace well AND works. Unfortunately, this just isn't that tool.
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Daniel Prescott
June 18, 2025
wrote my whole assignment thinking “this is genius” only for this tool to tell me I kinda smashed together three journal articles without properly formatted citations. strict but fair. also, loved that I could open every source right in the report when checking. highly useful, even if humbling.
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