The best plagiarism checker is the one that is able to identify plagiarism with the highest rate of accuracy. The tool must offer a transparent, thorough plagiarism analysis report.
Here, we evaluate the outcome of 11 plagiarism checkers to determine which one is the best.
You should always double-check your work for plagiarism using the best plagiarism tool available because:
- Plagiarism is thoroughly detected in publicly accessible sources using plagiarism checkers.
- The exact copied material is highlighted.
- Plagiarism checkers offer percentage matches with the original text.
- Most plagiarism detectors also flag information that is paraphrased in an incorrect manner.
Parameters to consider for selecting the best plagiarism checker tool
It is crucial to take into account the following factors while choosing the most effective plagiarism checker tools:
- Accuracy: To achieve trustworthy findings, select tools that are highly accurate at identifying plagiarism.
- Size of Database: Choose plagiarism checker tools with vast databases since they enhance the likelihood of finding matches across a wider range of sources.
- Time and Quality: Choose solutions that do accurate plagiarism checks quickly and efficiently, so users can get results right away.
- User-Friendly Interface: Look for plagiarism checker tools with simple, user-friendly interfaces that make it simple for users, such as scholars and students, to figure out and make good use of the tool.
- Analysis Report: Consider plagiarism tools that provide users with insights about the extent of plagiarism and support them in implementing changes that are required. With reliable plagiairism tools students and researchers are able to receive plagiarism reports and analysis.
THE BEST PLAGIAIRISM CHECKER TOOLS
1. Turnitin plagiarism checker
PROS
A large collection of database to compare your text for plagiarism.
Researchers can share and exchange documents.
Examine matches and sources by highlighting the text
Identify text modifications done with paraphrasing tools
The plagiarism tool checks the originality of work submitted by student.
Option of exclusion choices allow users to focus on the most relevant section and correct the part efficiently.
Considered as one of the best plagiarism checker
CONS
Not a free plagiarism tool, only paid version is available
Database
Compares the content to 99.3+ billion existing and archived websites.
89.4 million articles from journals are available to identify if your text or project has any academic similarity.
Reliability
Plagiarism checking with Turnitin plagiarism tool is considered as one of the best among students, educators and researchers.
Usability
The plagiarism tool is straightword and simple to use.
Users can check all types of plagiarism issues as different colors are used to highlight the text matched with the original source from where it is copied from.
Quality of matches
Turnitin plagiarism checker is considered as the best tool as it correctly identifies all the similarities. A clear report offers students, educators and researchers the opportunity to correct the work.
2. Scribbr plagiarism checker
PROS
Identifies plagiarism to a greater extent
Checks for edited content
Neither keeps nor sells documents
Offers a restricted free version
Provides a self-plagiarism checker to users
CONS
Expensive, not a free plagiarism tool
Cannot be used directly
Database
Scribbr plagiarism checker is in partnership with Turnitin, so it checks the work against their vast database.
Reliability
Scribbr ensures that uploaded material remains confidential.
After thirty days, all data is automatically erased; however, students also have the option to manually remove their paper once the check is complete. Scribbr plagiarism tool is popular among students and reseachers.
Usability
The plagiarism tool provides a concise, printable overview of the results.
Users can easily evaluate all types of plagiarism issues because different sources are assigned distinct colours, making it easier to spot the differences.
You have the option to integrate Scribbr’s Self-Plagiarism Checker with the Plagiarism Checker.
Quality of matches
All student-relevant source categories, including journal articles and research papers, can be handled successfully by Scribbr plagiarism checker.
Scribbr’s plagiarism checker is amazing in catching plagiarism in source materials that can be extensively modified to look like unintentional paraphrase.
Rather than being mismatched to several sources, the entire copied passage is accurately matched to only one source.
3. Copyleaks Plagiarism Checker
PROS
Identifies AI-produced content, such as Bard and GPT-4.
Detects a variety of paraphrase techniques.
Smart to trick detection programmes.
The online tool maintains the original text arrangement.
A free plagiarim tool that allows plagiarism checking online easily
CONS
Reports are difficult to read
Poor performance with scholarly sources
Ambiguous data protection policies
Database
16,000+ journals with open access
Sixty trillion websites
More than 1 million internal papers
Reliability
This plagiarism tool is moderately trusthworthy.
Usability
The text reported on the downloaded report differs from that of the website’s report.
The source information option occasionally fails to function properly on the website’s report, making it hard to verify the authenticity of the attributions.
The report uses uniform colour highlighting for all sources makes it confusing to read. The downloadable report changes the source formatting, which is preserved in the online plagiarism checker.
Quality of matches
All source types have relatively low performance with Copyleaks. For marked sentences, the plagiarism tool gives a variety of potential sources. The right source was occasionally assigned to a whole source block, though.
According to the paper, there are three types of text: text that is “identical” to an original source, text that has “minor changes,” and text that has been “paraphrased.”
But occasionally it categorises them incorrectly. So, plagiarism checker lacks complete quality match.
4. Grammarly plagiarism checker
PROS
Provides a grammar and citation assistant
Does not exchange or sell any information with third parties.
CONS
Detects comparatively a lesser percentage of plagiarism
Allows up to 100,000 characters (14,000–25,000 words)
Uses same colors for different sources
Not a free plagiarism checker
Database
The plagiarism tool compares your text to numerous academic papers and webpages present in ProQuest’s databases
Reliability
Grammarly plagiarism checker doesn’t store, sell, or distribute materials to third parties.
A form is available for asking questions, and the website contains hints, instructions, and FAQs. There isn’t any live support, though.
Usability
The Grammarly plagiarism checker feature is difficult to identify because the tool is mostly utilised as a language checker.
It is challenging to read because the plagiarism tool utilises the same colour for all sources.
The membership plan users get a citation assistance that assists in creating the necessary citations, along with a language and writing style tool.
The monthly and annual plans each have a 100,000-character restriction.
Quality of matches
Grammarly plagiarism tool is not the best plagiarism checker tool. It works the best with texts that is slightly modified.
Performs partial plagiarism detection with the main source, making it less effective of a tool.
5. Quetext plagiarism checker
PROS
You can work directly in the tool
Provides a citation assistant to update any missing citations
Neither sells nor stores paper
CONS
Partial matches in which a single source text is compared to several sources
Inadequate results with academic sources
Plagiarism reports are difficult to read
Only limited checks are allowed for identifying plagiarism
Database
Does not specify.
Reliability
The program does not save the uploaded file or text.
Customer support provides necessary help in case of any problem
Usability
Quetext plagiarism checker provides clear distinction based on the level of plagiarism, such as red for complete matches, and orange for partially matched sources.
You can copy-paste the text and work within the plagiarism tool.
The website report and downloadable report lacks original format of the text.
Quality of matches
Though Quetext identifies around half of the copied text, it frequently fails to accurately match the original content to a single source.
Instead, many sources are given credit for specific sentences.
Quetext plagiarism checker states to verify against both websites and scholarly publications, but the application actually does poorly for these sources.
6. PlagScan plagiarism checker
PROS
Report on plagiarism that includes links to both downloadable and online papers.
Ensures safeguarding data from unauthorised outside parties.
Offers a free plagiarism checking trial
CONS
Lack accuracy in identifying the plagiarism
Database
The plagiarism tool checks the material to vast academic papers and online sources (Billions of online webpages, >20,000 scientific journals).
Realiability
The plagScan plagiarism tool is less reliable compared to other tools
Usability
Easy to navigate
Quality of matches
Fails to accurately match the original content to a single source.
7. PlagiarismCheck.org
PROS
A large database and sophisticated algorithms for evaluating texts and obtaining accuracy.
The solution provides seamless interfaces.
Checks for word substitutions with synonyms, word order changes, sentence changes, etc. to find any instances of content duplication.
CONS
Unable to accurately detect the severity of plagiarism
Often the similarities are highlighted with different sources, instead of one key source.
With one free trial, paid users can have access to the plagiarism tool depending on the number of pages.
Database
Analyzes over 3.8 million documents to identify similarities in content.
Reliability
Low reliability as the scan is unable to provide a thorough plagiarism check
Usability
The plagiarism tool is easy to use, but it is unable to highlight the similarities with different sources
Quality of matches
The plagiarism detection tool checks for word substitutions to identify any content duplication. But, the detection is unsatisfactory as several sentences are undetectable for similarities.
8. UNICHECK plagiarism checker
Pros
Complete reports to check for possible plagiarism
Google extension for quick similarity checks
Unicheck’s uptime has increased to 99.95%. This will guarantee that your workflow will be uninterrupted, even during a time of high workload.
Detects plagiarism within minutes
Cons
Partial plagiairism detection
Database
The website does not mentions about its database and sources
Reliability
Inadequate plagiairism detection
Usability
To perform the plagiarism check, you need to create an account. The user interface is simple to use
Quality of matches
Unicheck’s plagiarism checker is not upto the mark. It often misses the copy-paste content and gives false results.
9. Plagaware plagiarism checker
Pros
Identifies most of the plagiarism.
Files are not database-stored
Several alternatives for customer support, but no live assistance
Cons
Trouble reading PDF reports
Inadequate performance with scholarly sources
Database
>70 billion sources.
>40,000 users from colleges, corporations, and universities
Performs over 25,000 scans each month.
Reliability
Plagaware does not keep files on its servers or sell its uploaded materials. You can reach out to them through a phone number or fill out a contact form.
Usability
Since the website report employs multiple colours for sources, it is simple to navigate.
The plagiarism tool contains a feature that provides the similarity percentage and the number of words in an area that has been copied.
However, the report is difficult to read because it only utilises one colour and obscures the source of any copied content.
Quality of matches
Plagaware frequently finds exact matches and is able to properly credit the author of the text. It struggles with texts that has been substantially modified.
Sometimes, the programme misattributes two successive paragraphs to one single source as it is unable to discriminate between different plagiarised sources.
10. Noplag plagiarism checker
Pros
Extensive Database Coverage
Fast internet scanning
A vast Noplag database that holds 50 million+ files
Cons
No confirmatory plagiarism detection
Database
50 million+ files
Reliability
Lacks authenticity
Plagiarism detection can be improved
Usability
Being a writing assistance app, the usage is quick and effective with Noplag’s plagiarism tool.
You just need to copy-paste your text for the tool to detect the plagiairism.
Quality of matches
Fails to identify the similarities with academic sources such as journal articles, article, research papers.
11. Viper plagiarism checker
Pros
Compares your most recent document to ones that have already been uploaded
Uses different colours for different sources to check for plagiairism
Cons
In the free version, documents will be published on third-party websites.
Unable to accurately check for plagiarism, especially for academic sources
Reports may be challenging to read because of incomplete matching
Database
Checks for plagiarism against 10 billion sources.
Reliability
Viper keeps track of earlier contributions and displays matches against those texts.
For students using the paid version, the tool does not sell the files.
Although Viper does not offer live support, you can contact them via a contact form available at their website.
Usability
Viper detects plagiarism; however it frequently finds a single source for the entire paragraph.
The printable report uses a variety of colours for various sources, which is informative.
Viper also gives users the option to compare their writing to already uploaded papers of their own, which helps in identifying self-plagiarism.
Quality of matches
Viper had trouble detecting plagiarism in extensively modified text, but it was able to detect if the content was directly copied from the source or only lightly edited.
The plagiarism tool performed well for most source categories, but found it hard to correctly determine plagiarism with academic sources like articles from journals and dissertations.
As a result, students might find it less reliable.
Rules to remember when paraphrasing to avoid plagiarism
- Understanding the original text: Before paraphrasing, be sure you have comprehended the original material.
- Away From Source Text: To prevent unintended copying, keep the source text away from sight while paraphrasing.
- Paraphrasing: Use your own language and sentence constructions to present your thoughts.
- Preserve the meaning of the original text: Verify that the original intent and significance are preserved in the paraphrased form.
- Use Synonyms: This increases diversity and originality by swapping out words and phrases.
- Change the sentence structure: For example, by turning a complex sentence into a simple one or the other way around.
- Comprehend the context: Understanding the larger context of the original piece of writing can help you ensure that it is preserved in your rephrased version.
- Cite your sources: If the material is not widely known, it must be cited, even if it has been paraphrased.
- Check for Plagiarism: To ensure that the text you have paraphrased is original, use reputable plagiarism detection programs.
- Avoid Similar Imitation: Make sure the structure of your paraphrased material is not exactly the same as the original.
- Accuracy: Check facts and statistics twice to make sure your paraphrased information is accurate.
- Peer review: Ask a colleague to evaluate the originality and clarity of your rephrased work.
- Flow in sentence structure: Make sure the text is paraphrased and flows naturally and logically.
- Regular practice will improve your paraphrasing abilities and help you become more adept at rephrasing different kinds of information.
