1. Grammica Plagiarism Checker.
Grammica Plagiarism checker is considered to be one of the best duplicate content detection programs available online today. With its help, we can process both plain text and the one pasted with a URL link. SEO Review Tools searches for duplicate content inside and outside the page you want to check. Internally duplicated content is the one occurring on several subpages of the same URL, and externally it is the one found on other domains.
2nd Copyscape
Copyscape is said to be the most popular program for detecting duplicate content. It offers several tools such as Copyscape (an online plagiarism checker), Copyscape Premium (a paid, more advanced plagiarism checker), Copysentry (a tool that provides daily or weekly reports on which subpages have been copied from the internet) and other features.
3rd Dupli Checker
Dupli Checker offers not only to check the text for plagiarism; other valuable tools are also available on the page, including a paraphrase tool, backlink checker, word counter, domain validator, reverse image search, and keyword position.
4th Siteliner
Siteliner is a free duplicate content detection program that focuses on content that repeats itself on the same page. He specializes in scanning and analyzing three main factors that affect our position in the ranking of the site: duplicate content, dead links, page power and reports.
5. Hive Digital
Apparently, Hive Digital is the most comprehensive plagiarism checker at the moment. It analyzes the seven most common factors that cause current and potential problems with content. Hive Digital is actually a digital marketing agency, providing a variety of SEO and marketing services, but their tool for detecting duplicate content is free and very efficient.
6. Copyleaks
Copyleaks uses advanced AI (artificial intelligence) technology to scan our text and detect cases of plagiarism, and then create a report from them. It also searches for paraphrases and verifies whether we are dealing with the original or only with the translation. Copyleaks is ideal for academic purposes, students, universities and schools will benefit from it.
7th Small SEO Tools
Small SEO Tools Duplicate Content Checker is a free program, developed after detailed research. What's more, it offers a variety of tools to help with writing and proofreading, such as plagiarism checker, article rewriting, spell checker, word counter, and variation correction by accident.
8th Paper Rater
Paper Rater is an anti-plagiarism program that uses special algorithms to detect copied content. It also detects grammatical errors occurring in our text and offers an editing tool for correction, in order to polish our text.
9th Scanmyessay
Scanmyessay also known as Viper Plagiarism Checker. It detects cases of plagiarism and duplicate content. It is a program that has already been trusted by thousands of people from around the world. One of the biggest advantages of Scanmyessay is its compatibility with more than fifty languages, including English, Chinese, Spanish, Arabic and many others.
10th Grammarly
Grammarly is best known for its spell checker features, but it also comes with a plagiarism checker that presents a scanned text report. In addition to academic databases, ProQuest also detects attempts to plagiarize text from billions of pages.
11th Prepostseo
Prepostseo is an anti-plagiarism program and a duplicate content checker, flawlessly verifying whether we are dealing with the original. We can do this by pasting the text manually or by importing a file. There is also a wide selection of other tools available on the Prepostseo website, such as word counter, reverse image search, backlink creator, image crop tool, domain validator, spell checker, paraphrase tool, Google indexing tool, image-to-word converter, and more.
12th Text Mechanic
The main goal of Text Mechanica is to provide users with all kinds of tools. In addition to the tool for detecting duplicate content, we find here a row combination generator, tools for extracting columns, replacing text, separating rows, adding prefixes / suffixes, word counter and much more.
13th Quetext
Quetext serves more than two million users, successfully detecting cases of plagiarism through the use of DeepSearch technology. By the way, this tool is provided with one of the most accessible interfaces compared to the others on this list.
14th Plagiarisma
Plagiarisma is another great and free program that detects duplicate content. It is characterized by a minimalist design, but it is quite efficient. An additional plus here is the mobile version for Android, Moodle and BlackBerry, as well as the Windows version. The tool is also available in an online version.
15th Webconfs
Webconfs determines the percentage degree of similarity between two subpages. If this indicator is too high, our site may have trouble maintaining a high position in the search ranking. Webconfs is also equipped with tools to check page speed, word counter, URL encoding and decoding function, suspicious domain verifier, dead link search engine, etc.
16th Bibme
Bibme improves sentence structure, punctuation, writing style, and grammar. It also checks the text for untagged citations, unintentional plagiarism, as well as added citations and bibliographies in a variety of styles and sources.
17th PlagiarismChecker.com
Plagiarism Checker is characterized by an equally uncomplicated design as Plagiarisma. It allows you to search our text for several expressions without the need to enter quotes or special entities. In addition, this software is completely free.
18th Plagramme
Plagramme is a program compatible with eighteen languages, such as English, German, Italian, French, Spanish, Danish Portuguese, Russian and others. It is free and works on the principle of a percentage logical assessment. This tool will be ideal for both students and teachers.
