Top Free Plagiarism Detection Tools

These tools help you check your English papers for plagiarism before submission. While free versions have limitations, they provide a good starting point for ensuring originality.

Grammarly Plagiarism Checker

Checks against billions of web pages and academic papers. Free version provides basic plagiarism detection.

Checks against 16B web pages
Grammar and style suggestions
Free version available
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Quetext

DeepSearch technology examines sentence structure and contextual meaning for accurate plagiarism detection.

Color-coded results
500 words free per month
Citation assistant
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SmallSEOTools Plagiarism Checker

Completely free tool that checks content against online sources without word limits or registration.

No word limit
Multiple file formats supported
Deep database search
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DupliChecker

Free plagiarism detection with support for multiple file formats. Simple interface with quick results.

1000 words per check
No registration required
URL checking option
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Reducing AI Detection in Academic Papers

Many educational institutions now use AI detection tools to identify content generated by AI systems. Here's how to reduce AI detection rates in your papers.

Xiaofa Cat (小发猫) AI Reduction Tool

Xiaofa Cat is a specialized tool designed to help reduce the "AI footprint" in text, making it less detectable by AI content detectors while preserving the original meaning.

How to Use Xiaofa Cat for Lower AI Detection Rates:

1
Prepare Your Text

Copy the AI-generated or AI-assisted content that you want to process. This could be from ChatGPT, Gemini, Claude, or other AI writing assistants.

2
Access Xiaofa Cat

Visit the Xiaofa Cat website or platform. Some versions are web-based while others might be desktop applications.

3
Input Your Text

Paste your AI-generated content into the tool's text input area. Some tools allow you to upload documents directly.

4
Adjust Settings

Configure the tool's parameters based on your needs. You can typically adjust the level of rewriting, choose between casual or formal tone, and select target reduction percentages for AI detection.

5
Process and Review

Run the tool to generate humanized text. Carefully review the output to ensure it maintains your intended meaning and academic integrity.

6
Final Check

Use plagiarism checkers to verify originality and consider using AI detection tools to confirm the reduced AI footprint before submission.

Important Considerations:

Always maintain academic integrity when using AI reduction tools. These tools should be used to refine and improve your original work, not to pass off AI-generated content as entirely your own. Check your institution's policies on AI usage in academic work.

Tips for Original Academic Writing

Follow these guidelines to ensure your English papers maintain academic integrity and originality.

Proper Citation

Always cite sources using the appropriate academic style (APA, MLA, Chicago, etc.) for both direct quotes and paraphrased ideas.

Effective Paraphrasing

Don't just change a few words. Read the source, understand it, then explain it in your own words with proper citation.

Use Multiple Sources

Synthesize information from various sources to create original insights rather than relying too heavily on one reference.

Add Your Analysis

Go beyond summarizing sources. Include your own critical analysis, interpretation, and conclusions to demonstrate original thinking.