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The free plagiarism checker, in partnership with Turnitin, will give you a heads-up if your writing is similar to the content in our database. 📚 Largest database. 99B web pages & 8M publications. 🌎 Supported languages. 20 languages.
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To cater to this, we have the Self-Plagiarism Checker at...
- Self-Plagiarism Checker
It’s easy! You can add sources to the Scribbr...
- Guide
Yes, Scribbr offers a limited free version of its plagiarism...
- What is The Best Plagiarism Checker
Can you use Turnitin for free? Yes, Scribbr offers a limited...
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- Research Methodology
- General Conclusions: Free vs. Paid Checkers
- Scribbr Review
- Quetext Review
- Duplichecker Review
- Small SEO Tools Review
- Pre Post SEO Review
- Grammarly Review
- Plagiarism Detector Review
- Check-Plagiarism.Com Review
The plagiarism tools in this research are tested using 4 test documents, ranging from unedited to heavily edited. Each test document consisted of plagiarized sections from 140 sourceslike Wikipedia articles, news articles, open-access journal articles, websites, theses and dissertations, and PDFs. This setup allowed us to analyze: 1. The reliabilit...
We found that free tools were frequently misleading in their advertising and were lacking in many ways compared to paid ones. Our research led to these conclusions:
Pros
1. Offers a limited free version 2. Finds far more plagiarism than other tools 3. Detects plagiarism even in edited texts 4. Won’t store or sell your documents 5. Money-back happiness guarantee, with live support available 6. Self-Plagiarism Checker feature allows you to check for self-plagiarism
Cons
1. You need to go premium to find out your precise similarity score and view the entire report
Free?
Scribbr offers a limited free version that’s perfect for checking if your paper contains potential plagiarism. To view the full report, you need to buy the premium version, which costs between $19.95 and $39.95 depending on the word count. There’s no word limit, so you can upload as big a document as you want.
Pros
1. Built-in citation assistant helps to add missing citations 2. Documents not stored in database 3. Support options available (but no live support)
Cons
1. Finds partial matches 2. Not clear how the free trial works 3. Monthly subscription of at least $8.25 after free trial 4. Not effective for scholarly sources 5. Doesn’t detect all plagiarism
Free?
Quetext offers a free trial of 500 words, after which users must pay for a premium plan. Additionally, uploading files to Quetext is a Pro feature. If you don’t pay, you’ll have to copy-paste the text from your document instead. The paid version costs at least $8.25 per month (more expensive plans are available), which allows you to check up to 100,000 words.
Pros
1. Free (1,000 words per scan) 2. Doesn’t save uploaded documents 3. Relatively user-friendly reports
Cons
1. Distracting ads for other services 2. Low level of plagiarism detected 3. Performs very poorly with edited text 4. No color coding for different sources
Free?
DupliChecker’s service is free, though you can only upload 1,000 words at a time. If you go for one of their premium plans, you can go up to 25,000. If you do want to upgrade, a large number of different premium plans are offered on the site, which can be somewhat confusing to navigate. The cheapest is $10 a month.
Pros
1. Free (1,000 words per scan) 2. Various options for document uploads 3. Documents not stored in database
Cons
1. Low level of plagiarism detected 2. Page is slow, somewhat confusing, and full of ads 3. Scans individual sentences rather than full texts
Free?
Small SEO Tools is free to use, although you can only check 1,000 words at a time without paying. You can run multiple checks if you need to scan more than that, although the site requires you to complete CAPTCHAs to upload multiple documents.
Pros
1. 1,000-word upload limit 2. Color-coded highlighting 3. Some full matches 4. Citation assistant 5. Live support option
Cons
1. Detects a low proportion of plagiarism 2. Report is hard to read 3. Messy, ad-heavy page design 4. Color coding doesn’t distinguish between different sources
Free?
It’s unclear whether Pre Post SEO is actually a free tool. While the website claims there’s a search query limit for visitors, the limit is not clearly specified and did not seem to apply when we tested our documents. You can only scan up to 1,000 words per search and cannot see a complete list of matched sources (instead, you must check them manually). These limits are removed if you sign up for their premium plan, which costs $10 to $45 a month.
Pros
1. Language and citation assistant available 2. Does not sell or share documents with third parties
Cons
1. Not free! 2. Finds a relatively low percentage of plagiarism 3. Same colors used for different sources
Free?
Despite the way it’s advertised, Grammarly’s checker is not free. All you can do is see a screen that tells you there’s plagiarism in your text without giving you any details of where it is, how much of it there is, or what the sources are. After this you’ll be directed to download the Grammarly app and subscribe to their premium service ($30 per month). There’s a limit of 100,000 characters (about 20,000 words) even after paying.
Pros
1. Free to use (1,000-word limit) 2. Does not store or sell your document
Cons
1. Technical issues with long documents 2. Difficult to match text with sources in the report 3. Different sources highlighted in the same color
Free?
Plagiarism Detector is free to use and users do not need to register. However, there is a limit of 1,000 words per document. By paying, you can raise this limit to 25,000 words per document.
Pros
1. 1,000-word upload limit 2. Offers a citation generator
Cons
1. Difficult to match text with sources in the downloadable report 2. Different sources highlighted in the same color 3. Scans sentence by sentence—rarely gets a full match
Free?
It’s unclear whether Check-plagiarism.com is actually free. The site describes the free upload limit in a confusing way, allowing you a certain number of “queries” (sentences) per month. However, these limits are not clearly specified and did not seem to apply when we tested our documents.
May 14, 2019 · Turnitin and Wikipedia volunteers worked together to find such a solution. Volunteer editors routinely review, edit, and detect inappropriate content in over 2,000 edits per month using a plagiarism detection bot called CopyPatrol powered by iThenticate and shepherded by Eran Rosenthal and User:Diannaa. This has helped to ensure the reusability ...
(free of charge web service) Latin Submissions are limited to 1,000 words. Checking against abstract and titles in Medline/PubMed. iThenticate: iParadigms 2004 2017 proprietary: SaaS: Latin PlagScan: PlagScan GmbH 2008 limited SaaS, On-Premises: Latin, Cyrillic & Arabic
The Plagiarism Spectrum 2.0 identifies twelve types of unoriginal work — both traditional forms of plagiarism and emerging trends. Understanding these forms of plagiarism supports the development of original thinking skills and helps students do their best, original work. Read more. eBook.
Turnitin: TurnItIn is a plagiarism checker used by SNHU that matches submitted work against a national database of other college assignments, database research sources, and web sources.
