(Photo : PlagScan)
(Photo : Grammarly)
(Photo : Plagiarism)
(Photo : PlagTracker)

It is impossible to check manually if the text provided by writers is 100 percent original. It is not only difficult but also time-consuming, considering the checker will have a dozen other things to accomplish and many more papers to check! This is where a plagiarism checker tool comes in handy, especially for a teacher, a student, a writer, or a client who wants to ensure that the work produced is original and free from plagiarism.

A plagiarism checker tool provides accurate results within seconds of running the test, helping the checker establish the authenticity of work. Nearly all the tools out there use their unique algorithms to test large chunks of texts against indexed web pages.

That being said, here are the top 5 plagiarism checking tools in 2019 that will prove to be helpful:

1. Unicheck

Unicheck is a cloud-based plagiarism checker that does not only find text similarities but also references. The solution is mainly used in the education industry by more than 550 institutions and has over 1 million users all over the world. This tool is also helpful for writers, bloggers, lawyers, and editors.

This plagiarism checker is an ideal tool to create unique content. Apart from being a stand-alone tool for writers and bloggers, it is also used by teachers to check student papers for plagiarism.

Unicheck is a software that comes with an algorithm allowing students to weed out duplicate text in open source libraries, web pages, and internal repository. With incredible accuracy, this algorithm is able to break the large chunks of text into small sequences. Then, these blocks of text are used to search for similarities via web index. This algorithm is based on latent semantic texting, a method also used by Google to identify common links between words and phrases.

This efficient plagiarism checker can also identify citations and references in the text, albeit only if they are given in the correct academic format. At the moment, Unicheck is able to identify APA, MLA, Chicago, Harvard, and Turabian style.

The best thing about using this software is that it does not have to be downloaded. This cloud-based plagiarism checking tool can be accessed from any computer anywhere. It also contains SSL encryptions, so one doesn't have to worry about content security as well. It works seamlessly with the content without changing the text format. Once the document is uploaded to Unicheck, this tool will keep the formatting the same. It is also possible to download the content checking reports in PDF format so that the document can also be processed offline.

The tool itself is easy to use. The results are displayed using different colors, highlighting the plagiarized content. The links to the original source are also displayed in one place. This is what makes it easier for anyone to browse where the content has been copied from. It is quick and effective regardless of the length of the document.

Each time a file is uploaded into Unicheck plagiarism checker, the software uses most up-to-date search engine web index to locate the similarities. This powerful tool is able to churn out results with absolute accuracy within seconds. The results are given out immediately that can be used to fix the plagiarized content.

The tool is also able to support multiple document formats to detect potential instances of plagiarism. It can test the document against .doc, .docx, .txt, .pptx, .ppt, .pdf, .pages, .xls, .xlsx, .odt, .csv, .html, .RAR, ZIP archives, and many others. One can also validate files that are uploaded from Google Drive, Dropbox, and other cloud-based storage platforms.

Unicheck's algorithm is designed to pick up even the slightest hint of plagiarism. It is even able to identify subtle changes like swapping letters. The software uses live web index to search through the internet for most recent matches.

The clients can use Unicheck as a stand-alone tool or integrate the software into their Learning Management Systems via LTI, API, plugin, or another form of integrations. One can also work with a large number of documents at the same time, making it scalable for businesses and single users alike.

2. PlagScan

PlagScan is a plagiarism detection tool that is mostly utilized by academic institutions. Launched in 2009 by Markus Goldbach and Johannes Knabe, the company grew exponentially over the years, now serving more than 1,500,000 single users, and 1,500 organizations such as Ministry of Education in Austria, Auburn University, University of Jordan, and University of Zurich.

When a document is searched on PlagScan for plagiarism, the tool compares it against web documents, journals, and internal repository. The software checks as many as million documents for plagiarism annually.

PlagScan started as SeeSources, a free plagiarism tool that picked on language patterns at the time of plagiarism detection. However, the expert team behind the software made the product commercial, which is now used by academics and professionals.

PlagScan uses Yahoo!BoSS-API, the same underlying API many other plagiarism services are built on. The user can upload the document or copy/paste the text for the checker to perform its test. PlagScan analyzes the text and sends the results in a PDF format via e-mail.

From a user-interface standpoint, this tool is more helpful in determining the authenticity of the work rather than detecting plagiarism. However, it does the job of finding the similarities and detecting plagiarism.

3. Grammarly

Grammarly is an all-encompassing online tool that helps the user check grammar, spellings, and most importantly, plagiarism. This platform was developed by Grammarly Inc. and was first released in 2009. Since then, it has come a long way from being just a proofreading tool to a reliable plagiarism detection software.

The plagiarism checker is integrated into Grammarly user's account, which can come in handy when reviewing peer's work or writing academic content. However, that is not to say that other industry professionals cannot, too.

Many bloggers and content marketers find Grammarly useful in allowing them to check if the text has been copied from other sources. It also helps content creators to edit their text to make it original. This feature is especially appealing to college students who are worried about overciting from other sources.

While the tool is available for free, there is also a Grammarly Premium option that offers advanced grammar check, vocabulary enhancement suggestion, and plagiarism detector. Simply put, a free version is best used by writers and bloggers and the premium account is ideal for content marketing companies who want to remove all kinds of plagiarism from the work they send to the client.

4. Plagramme

Plagramme is a plagiarism checker software that is being used by thousands of users. Today, it has gained immense popularity for its accuracy, so much so that the experts stand by this tool and its efficacy.

This plagiarism checker tool is not only effective but also accurate where the results are shared in a PDF report. Plagramme checking tool reduces the risk of plagiarism by up to 99 percent. As a result, one is able to create 100 percent original content. The tool uses color coding to signal users of plagiarized content, allowing them to fix it immediately.

In most cases, plagiarism checkers only work on copy-pasted content, that is, they will only flag the exact text that has been copied from the source. These tools are not able to detect minor changes such as paraphrasing or character swapping. However, Plagramme gets to the depth of the content and identifies even the most minor changes made to the original text.

With Plagramme, content creators and marketers are able to detect even the smallest sign of plagiarism. Additionally, the tool also helps fix errors such as inappropriate citations, paraphrasing, expressions, etc. in the document. This helps the creator create unique content that is not only fresh but also free from all forms of plagiarism.

5. PlagTracker

A plagiarism checker tool is necessary to maintain the originality of work and to prevent rampant plagiarizing that has plagued the industry. PlagTracker is a reliable plagiarism checker tool that helps teachers, students, content marketers, and anyone else who is in the business of content creation. This tool has been designed in such a way that it can guarantee thorough scouring of the text to detect all forms of plagiarism.

For the PlagTracker to work, the user has to paste the text up to 5,000 words into the text field and run the checker to find instances of plagiarism. The software algorithm then compares the text with a large database of web pages and scholarly articles. The report is generated by the tool, allowing the user to see all links where the plagiarized material has been sourced from.

One can use the free version of the tool or invest in a premium version at $15 per month. This premium version allows the user to get more accurate results. This tool is readily recommended by industry experts.

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