7 Best Free Plagiarism Checker Tools

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1. Plagiarism Checker by SmallSEOTools

SmallSEOTools offers one of the best free plagiarism checker tools. This tool checks your copy for plagiarism up to 1000 words as a single entry.

Users can upload documents on their site to detect the percentage of copied material which is free up to 1000 words.

It has a paid version with WordPress Plugin and API, deep search, and 24/7 support.

Its pricing starts from $25/month for the basic plan to $100 for the Pro plan.

Although the plagiarism checker by SmallSEOTools is not as accurate as Grammarly, it’s one of the best free online plagiarism checker tools available in the market.

2. Siteliner

Siteliner Plagiarism Checker Tool

SiteLiner is the best free plagiarism tool I’ve ever used.

Paste any blog post URL, and it will give you detailed information on that particular webpage.

You can also download the report in PDF format. 

3. Plagiarize Checker

Plagiarize Checker is another free plagiarism detection tool with a limit of 2000 words per search.

The free version offers the basic features, but the premium version comes with a few extra features, including unlimited usage, a full website checker, and API access.

The premium version of Plagiarize Checker costs around $9, but you may find discounts if you are lucky.

4. DupliChecker

DupliChecker is a free online plagiarism checker software for finding duplicate text in the copy.

It’s fast, convenient for desktop and mobile users, and usually gives results within a few seconds.

You can copy-paste the text or upload a Docx or text file for plagiarism detection.

Although DupliChecker has a limit of 1000 words per search, you can split long articles into multiple parts to check plagiarised content.

5. PaperRater

PaperRater is a cloud-based free online plagiarism checker for students.

It analyzes your text in real-time and gives detailed reports about word choice, grammar, spelling, and plagiarism.

The premium version offers many advanced features, including enhanced plagiarism detection, quick processing, the ability to upload files, and unlimited submissions (up to 6000 words per submission).

No, it won’t cost you much.

You can access all premium features as low as $7.95 per month or save 50% with an annual subscription that costs only $3.48 per month.

6. Prepostseo 

Using the Prepostseo plagiarism checker tool, one can conveniently check whether the content is original creation or copied from somewhere else.

This tool breaks down your content into smaller pieces and checks against millions of web pages.

If the sentence already exists online, the Prepostseo plagiarism tracker tool marks it in red color with the matching source. Otherwise, the content appears in green color.

It’s a free online plagiarism checker with a percentage showing the content’s uniqueness after a full scan.

Since the free version has a limit of 1000 words per search, you may consider upgrading to one of its premium plans. The paid version allows up to 5000 words/check, access to API, deep search, multiple file uploading, and 24/7 priority support.

7. EduBirdie 

EduBirdie Plagiarism Checker

EduBirdie is one of the best free plagiarism checker tools for blogs, web content, essays, and resumes. 

Users can copy-paste the text or upload a file in various formats, including DOC, DOCX, PDF, TXT, RTF, or ODT.

EduBirdie does not have a limit on word count and gives results almost instantly, along with plagiarism percentage and matching sources.

Currently, the EduBirdie plagiarism checker tool is available in six languages: English, Spanish, Portuguese, Deutsch, French, and Ukrainian.

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  1. Hey, Ankit!

    That is what I was looking for — the free plagiarism checkers are good and I use SmallSEOTools’ one personally and occasionally.

    Thanks for listing up some good resources for us! 🙂


  2. The nice blog post about the best free plagiarism checker tools online. You should also add Copyscape, I think it is also a great tool for finding the duplicate content.

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