# Plag

Plagiarism checker and AI detector supporting 129 languages with real-time web search.

- Category: Education & Research
- Pricing: Free plan available
- Free trial: yes
- Tags: Research, Academic Writing
- Website: https://plag.lv/?via=aigregator
- Aigregator page: https://aigregator.com/tools/plag
- API: https://x402.aigregator.com/v1/tools/plag

## Overview
Plag is a multilingual online plagiarism detection and AI detection platform designed to help students, educators, and institutions ensure the originality and authenticity of written content. The tool identifies multiple forms of plagiarism including copy-paste, improper citations, and paraphrasing by comparing documents against a database of over 80 million scientific papers from recognized academic publishers, alongside real-time web indexing. The platform distinguishes itself by offering free plagiarism checking for educators and teachers worldwide, maintaining user privacy by not storing uploaded files in comparison databases, and supporting 129 languages. A notable limitation is that the platform's full feature set requires paid upgrades for detailed reports, though basic similarity checking remains free.
## Key Features
- Plagiarism detection (copy-paste, improper citations, paraphrasing)
- AI-generated content detection
- Support for 129 languages
- Real-time web search capability identifying recently published content
- Scientific paper database with 80+ million academic publications
- Detailed similarity reports with source citations
- Free access for educators and teachers
- Privacy protection - files not stored in comparison databases
- Text similarity percentage score
- Grammar checking and text formatting services
- Content humanization tool (AI text conversion)

## Use Cases
- Students checking their academic papers before submission to ensure originality
- Educators and professors verifying student work for plagiarism detection
- Universities implementing plagiarism prevention policies across their institutions
- Researchers validating the authenticity of scientific papers before publication
- Content creators checking for accidental similarity in their work

## Who It Is For
- Students writing academic papers and dissertations
- Educators and professors grading student work
- University and education institutions
- Researchers and scientists
- Content creators and writers

## Pros
- Free plagiarism checking and full access for educators and teachers worldwide
- Multilingual support covering 129 languages with dedicated algorithms for each
- Comprehensive academic database with 80+ million peer-reviewed papers from recognized publishers
- Real-time web search identifying plagiarism within minutes of publication on major websites

## Cons
- Detailed plagiarism reports require paid subscription despite free basic checking
- Platform primarily focused on academic content; effectiveness varies for non-academic use cases
- Free tier provides only basic similarity percentage without detailed source identification

## Pricing Plans
- Free Plagiarism Check: Free
- Detailed Report: $-1/one-time
- Teacher/Educator Plan: Free

## Alternatives
- [Caktus AI](https://aigregator.com/tools/caktus-ai)
- Turnitin
- Copyscape

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Source: Aigregator — AI tools directory. https://aigregator.com/tools/plag