On the Internet nowadays, there are tools that assess the uniqueness of your work. There are numerous services available online that can assist you. They are called anti-plagiarism online services. They offer free and paid services and online, and some of them may be downloaded to your computer or laptop. You may easily check the text for uniqueness online with each of them individually or all at once if you choose. However, the vast majority of them requires registration. Use at least two, and preferably three or more, services to verify for uniqueness. What one site won't show, can be shown by another site. All the sites mentioned here allow document uploads and Copy and Paste except Scribbr's plagiarism checker.
Here is the list of to Plagialism checkers ranked from First and Last:
Plagiarism Detector is a plagiarism detector that is both free and accurate. It makes no difference if you are a student or a professional; everyone can benefit from this.
You can check upto 1000 words per search for free version and more in paid version. Free and Premium
Duplichecker.com's plagiarism checker is one of the most popular and widely used tools for detecting copied content on the internet. Whether the content is taken from an educational source or a website. You can check upto 1000 words per search for free version and more in paid version. Free and Premium
Plagiarism can be detected by Grammarly's plagiarism checker on billions of web pages as well as in ProQuest's academic databases. Their free plagiarism checker will inform you whether your text has any duplicate content. Premium plagiarism detection identifies passages that require citations and provides you with the tools you need to correctly attribute your sources. Free and Premium
Quetext's plagiarism checker analyzes your text to identify plagiarism, resolve other writing issues, and build citations with ease. You can check upto 2500 (5 pages) words per search for free version and more in paid version. Free and Premium.
Prepostseo Plagiarism checker is an online tool that helps writers, Students, Teachers, Researchers bloggers, and webmasters to check for plagiarism. It scans and compares files against the submitted text to detect plagiarism. It offers Visitors (Free but Unregistered)1000 words, Basic Users(Free but Registered)1500 words. Free and Premium.
Plagiarism checker detects plagiarism in your research papers, blogs, assignments, and websites. Copy and paste your content in the text box below and then click the Check plagiarism button. Limit of upto 800 word free version per search. Free and Premium
QuillBot's Plagiarism Checker
QuillBot’s Plagiarism Checker analyzes whether any section of your text did not properly attribute authorship to content already published on the web, or in books, research papers, academic papers, or news sources. (Only Premium service available)
Scribbr's plagiarism checker (Best for students)
Scribbr's plagiarism checker is for you if you're students writing an essay or paper,
Value the confidentiality of your submissions, Prefer an accurate plagiarism report, Want to compare your work against publications. (Only Premium service available)
That's all we have for now, but if you know of any websites or sources that offer a free or paid plagiarism detector, please let us know in the comments section below the source information and link, or send us an email at firstname.lastname@example.org. Also, on https://www.thriveopportunities.org/, you can find free youth opportunity such as scholarships, fellowships, internships, and conferences.