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Rated 5 out of 5 stars

This checker helps us to hire the most qualified writers who provide us with genuinely high-quality texts. This improves our online presence. Recently, we noticed higher website traffic and posts get... See more

Rated 5 out of 5 stars

When you have a lot of commissioned content being published daily, it’s very important to make sure it doesn’t contain copy-pasted stuff. Even if articles are AI-made they still contain plagiarism som... See more

Rated 4 out of 5 stars

This website is good and not confusing like others.. and I think I just found my the best tool I would recommend for students to use

Rated 5 out of 5 stars

Am not sure if this platform will be accepted for my university as other platforms been used widely from these years. But seeing the results produced by it, I'm impressed!

Company details

  1. Educational Institution
  2. Educational Testing Service

Written by the company

PlagiarismCheck.org is a reliable and easy-to-use similarity and AI-checking tool that provides a real-time check of texts to see if its parts match any other sources and detect ChatGPT usage. PlagiarismCheck.org can verify originality and detect similarities in any text and is widely used by educational institutions, businesses, and individual users. Besides plagiarism, the tool can check your text for grammar and spelling mistakes, search across scientific content and your personal repository, help with citation or essay topic generation, and evaluate the assignment strength before turning it in. Key features: AI Detector — catches exact matches, paraphrased text, and ChatGPT usage. Constantly updated algorithms flag Claude, Gemini, Grok, GPT-5, and all its earlier models with 90% or higher accuracy. Fingerprint — pinpoints each user’s unique writing style characteristics and checks the authorship of any document in almost no time. Grading — speeds up your workflow with custom rubrics and in-text comments. All grades automatically sync with Moodle, Canvas, Google Classroom, Brightspace, Blackboard, Populi, and other LMSs as PlagiarismCheck integrates with them via API. Benefits: Besides detecting exact matches, our similarity checker is fine-tuned with Advanced AI algorithms to catch changes in sentence structure, hidden characters, and synonyms. In addition, our tool recognizes properly formatted quotes and references, thus reducing the number of false alarms. PlagiarismCheck.org provides a comprehensive report with an accurate results, avoiding false positives, and detects human-written or AI-generated data in the percentage ratio. Also, it can detect similarities and find grammar, spelling, and punctuation errors in papers written in more than 15 languages. It checks through the wide range of sources: latest Internet publications and millions of articles, including scholarly content. Finds matches in students’ works or even in works submitted to other institutions. PlagiarismCheck.org is GDPR-compliant and supports the European policy to protect clients’ personal information to guarantee the safety of your private data.


Contact info

4.6

Excellent

TrustScore 4.5 out of 5

88 reviews

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Replied to 100% of negative reviews

Typically replies within 1 week

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Rated 5 out of 5 stars

Great experience

Finds text matches on the internet. So convenient. Will definitely continue using these guys, the whole experience was great

3 December 2025
Unprompted review
PlagiarismCheck logo

Reply from PlagiarismCheck

Thank you so much! We are so pleased to receive such feedback!

Rated 4 out of 5 stars

a helpful tool for out website content…

a helpful tool for out website content quality. Since we have freelance writers I upload all their articles to this tool and have a quick report for each which is easy to provide the feedback in case there are issues

6 January 2026
Unprompted review
PlagiarismCheck logo

Reply from PlagiarismCheck

It's a pleasure to us that our tool helps your company to provide high-level quality content control for your website🙏

Rated 5 out of 5 stars

I'm impressed!

Am not sure if this platform will be accepted for my university as other platforms been used widely from these years. But seeing the results produced by it, I'm impressed!

7 December 2025
Unprompted review
Rated 5 out of 5 stars

good for academic success

my son was struggling with his assignment so I bought this checker to see if he did the proper referencing and citations. Students should really understand that just copy pasting a paragraph from google is not okay

28 November 2025
Unprompted review
PlagiarismCheck logo

Reply from PlagiarismCheck

We are so happy to hear this! Good luck with studies to your son!

Rated 5 out of 5 stars

A very helpful combination of AI…

A very helpful combination of AI checker and plagiarism checker. What plagiarism checker didn't show but it still feels off I look at detector's result and voila -- I see what you did there

14 November 2025
Unprompted review
Rated 5 out of 5 stars

good checker

gives me peace of mind when submitting final papers. this checker highlights everything clearly. I also used the citation generator and fixed a few errors thanks to it.

23 October 2025
Unprompted review
Rated 5 out of 5 stars

This is great!

This is great! Definitely helped to decreased my anxiety before passing the assignment.

29 September 2025
Unprompted review

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