Top Free Plagiarism Checker Software

Check out our list of free Plagiarism Checker Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all Plagiarism Checker Software to ensure you get the right product.

View Free Plagiarism Checker Software

G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our scoring methodologies.
10 Plagiarism Checker Products Available
(10,560)4.7 out of 5
Optimized for quick response
1st Easiest To Use in Plagiarism Checker software
View top Consulting Services for Grammarly
Save to My Lists
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Grammarly is the trusted AI assistant for communication and productivity, helping over 40 million people and 50,000 organizations do their best work. It's also built with your digital workflow—and

    Users
    • Student
    • Director
    Industries
    • Non-Profit Organization Management
    • Marketing and Advertising
    Market Segment
    • 52% Small-Business
    • 36% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Grammarly features and usability ratings that predict user satisfaction
    9.0
    Quality of Support
    Average: 8.6
    9.4
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • VS
    It enhances our writing skills and improve grammar Read review
    JP
    It’s help me write more clearly and confidently Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Grammarly
    Company Website
    Year Founded
    2009
    HQ Location
    San Francisco, CA
    Twitter
    @Grammarly
    228,586 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    1,722 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Grammarly is the trusted AI assistant for communication and productivity, helping over 40 million people and 50,000 organizations do their best work. It's also built with your digital workflow—and

Users
  • Student
  • Director
Industries
  • Non-Profit Organization Management
  • Marketing and Advertising
Market Segment
  • 52% Small-Business
  • 36% Mid-Market
Grammarly features and usability ratings that predict user satisfaction
9.0
Quality of Support
Average: 8.6
9.4
Ease of Use
Average: 9.1
VS
It enhances our writing skills and improve grammar Read review
JP
It’s help me write more clearly and confidently Read review
Seller Details
Seller
Grammarly
Company Website
Year Founded
2009
HQ Location
San Francisco, CA
Twitter
@Grammarly
228,586 Twitter followers
LinkedIn® Page
www.linkedin.com
1,722 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    The pioneer content SEO toolset that simplifies your content lifecycle from creation to conversion, explicitly tailored for any SEO expertise level. WriterZen stands out from its competitors by help

    Users
    • Founder
    • Owner
    Industries
    • Marketing and Advertising
    • Information Technology and Services
    Market Segment
    • 93% Small-Business
    • 2% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • WriterZen features and usability ratings that predict user satisfaction
    9.1
    Quality of Support
    Average: 8.6
    9.0
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • SM
    I like how the comprehensive toolset is arranged with an understanding of the full SEO content writing workflow to ensure maximum chances of... Read review
    RC
    WriterZen help me to organize a lot of content. It's a very useful tool for keyword research and content creation. Pros Helping to create... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2018
    HQ Location
    Singapore, SG
    LinkedIn® Page
    www.linkedin.com
    32 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

The pioneer content SEO toolset that simplifies your content lifecycle from creation to conversion, explicitly tailored for any SEO expertise level. WriterZen stands out from its competitors by help

Users
  • Founder
  • Owner
Industries
  • Marketing and Advertising
  • Information Technology and Services
Market Segment
  • 93% Small-Business
  • 2% Mid-Market
WriterZen features and usability ratings that predict user satisfaction
9.1
Quality of Support
Average: 8.6
9.0
Ease of Use
Average: 9.1
SM
I like how the comprehensive toolset is arranged with an understanding of the full SEO content writing workflow to ensure maximum chances of... Read review
RC
WriterZen help me to organize a lot of content. It's a very useful tool for keyword research and content creation. Pros Helping to create... Read review
Seller Details
Year Founded
2018
HQ Location
Singapore, SG
LinkedIn® Page
www.linkedin.com
32 employees on LinkedIn®

This is how G2 Deals can help you:

  • Easily shop for curated – and trusted – software
  • Own your own software buying journey
  • Discover exclusive deals on software
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    What is PlagiarismCheck.org? PlagiarismCheck.org is a reliable and easy-to-use advanced similarity and AI-checking tool that makes learning better and more honest by detecting similarities and chat G

    Users
    No information available
    Industries
    • Information Technology and Services
    • Marketing and Advertising
    Market Segment
    • 49% Small-Business
    • 46% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • PlagiarismCheck.org features and usability ratings that predict user satisfaction
    9.7
    Quality of Support
    Average: 8.6
    9.7
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • KM
    Easily check content with uploading or copy and paste. Get detailed reports on what content is found where and have and overall score on the level... Read review
    VL
    We order the content for our blog and social channels, and it’s important for us to check the quality of the texts. Also, our PR team checks press... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2015
    HQ Location
    Bromley, GB
    Twitter
    @plagiarismisbad
    406 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    12 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

What is PlagiarismCheck.org? PlagiarismCheck.org is a reliable and easy-to-use advanced similarity and AI-checking tool that makes learning better and more honest by detecting similarities and chat G

Users
No information available
Industries
  • Information Technology and Services
  • Marketing and Advertising
Market Segment
  • 49% Small-Business
  • 46% Mid-Market
PlagiarismCheck.org features and usability ratings that predict user satisfaction
9.7
Quality of Support
Average: 8.6
9.7
Ease of Use
Average: 9.1
KM
Easily check content with uploading or copy and paste. Get detailed reports on what content is found where and have and overall score on the level... Read review
VL
We order the content for our blog and social channels, and it’s important for us to check the quality of the texts. Also, our PR team checks press... Read review
Seller Details
Year Founded
2015
HQ Location
Bromley, GB
Twitter
@plagiarismisbad
406 Twitter followers
LinkedIn® Page
www.linkedin.com
12 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    We’re a leading AI text analysis platform dedicated to empowering businesses and educational institutions as they navigate the ever-evolving landscape of genAI through responsible AI innovation, balan

    Users
    No information available
    Industries
    • Writing and Editing
    Market Segment
    • 64% Small-Business
    • 28% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Copyleaks features and usability ratings that predict user satisfaction
    8.7
    Quality of Support
    Average: 8.6
    9.5
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • Verified User in Information Technology and Services
    AI
    Ease to use and checking the level of AI content in the blogs and articles written by the freelancers. I used it multiple times and was satisfied... Read review
    AA
    copyleaks utilizes advanced algorithms and AI technology to accurately detect instances of plagiarism, including paraphrased content, enhancing the... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Copyleaks
    Year Founded
    2015
    HQ Location
    Stamford, CT
    Twitter
    @Copyleaks
    2,895 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    59 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

We’re a leading AI text analysis platform dedicated to empowering businesses and educational institutions as they navigate the ever-evolving landscape of genAI through responsible AI innovation, balan

Users
No information available
Industries
  • Writing and Editing
Market Segment
  • 64% Small-Business
  • 28% Mid-Market
Copyleaks features and usability ratings that predict user satisfaction
8.7
Quality of Support
Average: 8.6
9.5
Ease of Use
Average: 9.1
Verified User in Information Technology and Services
AI
Ease to use and checking the level of AI content in the blogs and articles written by the freelancers. I used it multiple times and was satisfied... Read review
AA
copyleaks utilizes advanced algorithms and AI technology to accurately detect instances of plagiarism, including paraphrased content, enhancing the... Read review
Seller Details
Seller
Copyleaks
Year Founded
2015
HQ Location
Stamford, CT
Twitter
@Copyleaks
2,895 Twitter followers
LinkedIn® Page
www.linkedin.com
59 employees on LinkedIn®
(46)4.5 out of 5
View top Consulting Services for ProWritingAid
Save to My Lists
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Companies using ProWritingAid produce higher quality content with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mis

    Users
    No information available
    Industries
    • Writing and Editing
    Market Segment
    • 54% Small-Business
    • 41% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • ProWritingAid features and usability ratings that predict user satisfaction
    8.3
    Quality of Support
    Average: 8.6
    8.9
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • MQ
    ProWritingAid is such a simple application to use, either on its own or as an app extension. It's almost like something that works automatically to... Read review
    SH
    For a little context, I'm an author, so I'm very picky about the things I use to help make my writing as good as it can be. I was sold out for... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2012
    HQ Location
    Dusseldorf, NRW
    Twitter
    @ProWritingAid
    22,357 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    37 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Companies using ProWritingAid produce higher quality content with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mis

Users
No information available
Industries
  • Writing and Editing
Market Segment
  • 54% Small-Business
  • 41% Mid-Market
ProWritingAid features and usability ratings that predict user satisfaction
8.3
Quality of Support
Average: 8.6
8.9
Ease of Use
Average: 9.1
MQ
ProWritingAid is such a simple application to use, either on its own or as an app extension. It's almost like something that works automatically to... Read review
SH
For a little context, I'm an author, so I'm very picky about the things I use to help make my writing as good as it can be. I was sold out for... Read review
Seller Details
Year Founded
2012
HQ Location
Dusseldorf, NRW
Twitter
@ProWritingAid
22,357 Twitter followers
LinkedIn® Page
www.linkedin.com
37 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Quetext is an advanced writing assistant and plagiarism checker designed for students, teachers, professionals, and content creators. It helps users ensure their writing is original by detecting copie

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 67% Small-Business
    • 25% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Quetext features and usability ratings that predict user satisfaction
    8.8
    Quality of Support
    Average: 8.6
    9.3
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • JK
    I just love quetext for finding duplicate and plagiarized content. I am using quetext for the past 1 year and it provides me a lot of benefits in... Read review
    AJ
    It helps my business write applications or any marketing content without any errors: grammar, punctuation, plagiarism, styles, and text review.... Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Quetext
    Year Founded
    2016
    HQ Location
    Kansas City, MO
    LinkedIn® Page
    www.linkedin.com
    5 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Quetext is an advanced writing assistant and plagiarism checker designed for students, teachers, professionals, and content creators. It helps users ensure their writing is original by detecting copie

Users
No information available
Industries
No information available
Market Segment
  • 67% Small-Business
  • 25% Mid-Market
Quetext features and usability ratings that predict user satisfaction
8.8
Quality of Support
Average: 8.6
9.3
Ease of Use
Average: 9.1
JK
I just love quetext for finding duplicate and plagiarized content. I am using quetext for the past 1 year and it provides me a lot of benefits in... Read review
AJ
It helps my business write applications or any marketing content without any errors: grammar, punctuation, plagiarism, styles, and text review.... Read review
Seller Details
Seller
Quetext
Year Founded
2016
HQ Location
Kansas City, MO
LinkedIn® Page
www.linkedin.com
5 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Trinka is a AI- powered privacy focused grammar checker and language enhancement writing assistant designed for academic and technical writing. Trinka helps professionals and academics ensure forma

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 40% Enterprise
    • 33% Small-Business
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Trinka features and usability ratings that predict user satisfaction
    8.1
    Quality of Support
    Average: 8.6
    8.6
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • ET
    Very fast in spelling checking, familiar and easy interface, no need to use other third party software Read review
    Verified User in Education Management
    CE
    The grammar checker function is really cool, and it allows you to write confidently. Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2020
    HQ Location
    Mumbai, Maharashtra
    Twitter
    @thetrinkaai
    2,836 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    21 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Trinka is a AI- powered privacy focused grammar checker and language enhancement writing assistant designed for academic and technical writing. Trinka helps professionals and academics ensure forma

Users
No information available
Industries
No information available
Market Segment
  • 40% Enterprise
  • 33% Small-Business
Trinka features and usability ratings that predict user satisfaction
8.1
Quality of Support
Average: 8.6
8.6
Ease of Use
Average: 9.1
ET
Very fast in spelling checking, familiar and easy interface, no need to use other third party software Read review
Verified User in Education Management
CE
The grammar checker function is really cool, and it allows you to write confidently. Read review
Seller Details
Year Founded
2020
HQ Location
Mumbai, Maharashtra
Twitter
@thetrinkaai
2,836 Twitter followers
LinkedIn® Page
www.linkedin.com
21 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    CheckForPlag is a Anti Plagiarism Detection Software which is Available in Multiple Regional languages such as Hindi, Urdu, Tamil and more.

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 100% Small-Business
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • CheckForPlag features and usability ratings that predict user satisfaction
    8.3
    Quality of Support
    Average: 8.6
    9.2
    Ease of Use
    Average: 9.1
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • PP
    After using the plagchecker I could say its accuracy is very close to 90% in detecting plagrism in written content mixed with AI generated lines. I... Read review
    Verified User in Writing and Editing
    UW
    It's real time detailed report and easy to navigate interface makes it good tool for plagiarism check. Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2015
    HQ Location
    New Delhi, IN
    LinkedIn® Page
    www.linkedin.com
Product Description
How are these determined?Information
This description is provided by the seller.

CheckForPlag is a Anti Plagiarism Detection Software which is Available in Multiple Regional languages such as Hindi, Urdu, Tamil and more.

Users
No information available
Industries
No information available
Market Segment
  • 100% Small-Business
CheckForPlag features and usability ratings that predict user satisfaction
8.3
Quality of Support
Average: 8.6
9.2
Ease of Use
Average: 9.1
PP
After using the plagchecker I could say its accuracy is very close to 90% in detecting plagrism in written content mixed with AI generated lines. I... Read review
Verified User in Writing and Editing
UW
It's real time detailed report and easy to navigate interface makes it good tool for plagiarism check. Read review
Seller Details
Year Founded
2015
HQ Location
New Delhi, IN
LinkedIn® Page
www.linkedin.com
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Advacheck is a comprehensive plagiarism detection solution designed to identify both text and image similarities in academic and research documents. Trusted by educational institutions, corporate prof

    We don't have enough data from reviews to share who uses this product. Write a review to contribute, or learn more about review generation.
    Industries
    No information available
    Market Segment
    No information available
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Advacheck features and usability ratings that predict user satisfaction
    0.0
    No information available
    0.0
    No information available
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Advacheck
    LinkedIn® Page
    www.linkedin.com
    11 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Advacheck is a comprehensive plagiarism detection solution designed to identify both text and image similarities in academic and research documents. Trusted by educational institutions, corporate prof

We don't have enough data from reviews to share who uses this product. Write a review to contribute, or learn more about review generation.
Industries
No information available
Market Segment
No information available
Advacheck features and usability ratings that predict user satisfaction
0.0
No information available
0.0
No information available
Seller Details
Seller
Advacheck
LinkedIn® Page
www.linkedin.com
11 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Get your institution moving faster, more efficiently and improve student experience with an end-to-end digital assessment ecosystem that integrates with your learning management system. Since 1999, I

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 100% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Inspera features and usability ratings that predict user satisfaction
    0.0
    No information available
    0.0
    No information available
  • What G2 Users Think
    Expand/Collapse What G2 Users Think
  • SK
    Creating exams with Inspera is a breeze aswell as grading and It's integration with Chromebooks is awesome. I used it often and higly recommend it. Read review
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    1999
    LinkedIn® Page
    www.linkedin.com
    148 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Get your institution moving faster, more efficiently and improve student experience with an end-to-end digital assessment ecosystem that integrates with your learning management system. Since 1999, I

Users
No information available
Industries
No information available
Market Segment
  • 100% Mid-Market
Inspera features and usability ratings that predict user satisfaction
0.0
No information available
0.0
No information available
SK
Creating exams with Inspera is a breeze aswell as grading and It's integration with Chromebooks is awesome. I used it often and higly recommend it. Read review
Seller Details
Year Founded
1999
LinkedIn® Page
www.linkedin.com
148 employees on LinkedIn®