Free AI Plagiarism Checker & Paraphrasing Tool
Detect copied or AI-generated text, grammar mistakes, and rewritten content patterns. Get instant highlights, similarity scores, and detailed originality reports — no signup required.
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AI‑PoweredConsequences of Plagiarism
Course failure, disciplinary action, and loss of credibility.
Damaged reputation and diminished confidence in writing.
Copyright violations can lead to takedowns or penalties.
Job risks, retractions, and trust issues with stakeholders.
Why Choose Our Plagiarism Checker
Fast, accurate, and privacy‑first. Run a free quick search or go deeper with extended matching — upload files or check by URL when you need comprehensive coverage.
Run instant checks with smart highlights for quick assurance.
Expanded matching for hard‑to‑find overlaps across larger text.
Check webpages or upload documents to verify originality.
Plagiarism Checker Online for Multiple Languages
Our plagiarism checker can detect plagiarism in multiple languages.
Plagiarism Checker PRO — the most trustworthy plagiarism detection tool
Built for students, educators, and professionals who need reliable similarity reports with clear highlights and citations. Privacy-first and easy to use.
Everything You Need for Confident Writing
Plagiarism Detection
Detect copied content across billions of sources with instant highlights.
AI Paraphrasing
Rewrite sentences naturally to improve originality without losing meaning.
Grammar & Readability
Fix mistakes and refine clarity with simple, actionable suggestions.
Citation Generator
Generate APA/MLA/Harvard citations in one click from matched sources.
Why Plagism.com Beats Other Checkers
| Tool | Free Words | AI Detection | Citations | Report Export | Accuracy |
|---|---|---|---|---|---|
| Plagism.com | 2000 | Yes | Yes | Yes | High |
| Grammarly | 500 | Partial | No | Yes | High |
| QuillBot | 125 | No | No | No | Medium |
| Turnitin | - | Yes | Limited | Yes | Very High |
| SmallSEOTools | 1000 | No | No | No | Low |
What Makes Plagism.com Different?
Plagism.com is a free plagiarism checker and AI plagiarism detector designed for original writing. Our detection technology blends classic n‑gram analysis with lightweight AI heuristics to flag copied text, near‑duplicate phrases, and machine‑generated passages. By matching shingles across a local corpus and scoring sentence‑level similarity, we surface clear highlights and percentage scores that help you check plagiarism online without guesswork. When overlap is found, our citation generator prepares one‑click APA, MLA, and Harvard references for transparent attribution.
Use cases span students proofreading assignments, bloggers vetting drafts before publishing, and researchers validating literature reviews. The tool doubles as a paraphrasing tool for quick rewrites, so you can improve readability and reduce repetition while preserving intent. For fast summaries or light edits, the built‑in grammar checker and readability meter provide actionable feedback. If you’re exploring how to detect AI content, the stylometry‑based AI content detector estimates likelihood based on sentence length patterns and burstiness. The result is a practical workflow: paste your text, run a free plagiarism report, and finalize with citations—all in minutes.
To learn more, visit our dedicated pages for the plagiarism checker, explore rewriting modes in the paraphrasing tool, and read expert tips on our blog. Whether your goal is to pass an originality check, verify AI authorship, or build confident, original writing, Plagism.com keeps the workflow simple and private.
How It Works
Simple Pricing
Freemium
2000-word checks, basic suggestions.
Monthly
Unlimited checks, full sources & export.
Annual
Best value. Priority support.
“Plagism.com helps me verify academic papers quickly and avoid AI plagiarism flags.”
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