Best duplicate checking tools in 2025

Writefull Academizer

Transform informal writing into polished academic text.

HowToWrite

Create personalized written content quickly and effortlessly.

JimmyGPT

Writing assistant for essays, emails, and creative content.

Ginger Software

AI-powered writing assistant for error correction and style enhancement.

Plagiarismremover

Eliminate plagiarism and create unique content effortlessly.

Crossplag

Instantly verify if text is human or AI-generated.

StealthWriter

Transforms AI-generated text into relatable, human-like writing.

Detecting-AI.com

Identify AI-generated content with accurate analysis.

Writer’s AI Content Detector

Analyze writing to ensure it feels human and authentic.

AI Detector Deutsch

Detects AI-generated text for authenticity verification.

Subscription + from €50.00/page
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Page Canary

Automated website monitoring for quality assurance and performance.

Originality

Plagiarism checker and fact verifier for confident content creation.

Pixlyze

Instantly verify if images are real or AI-generated.

GPTZero

Identify AI-generated text and enhance writing authenticity.

Skeptic Reader

Real-time bias detection for online content and discussions.

TweetDetective

Quickly identify AI-generated tweets for better online trust.

AI or Not

Verify if media content is AI-generated or authentic.

AHelp

AI-powered writing assistant for error-free content creation.

AI Paraphrasing Tool

Rewrites text into unique and original content.

GPTKit

Detects whether text is written by a person or AI.

Turnitin

Reliable plagiarism detection for academic integrity and originality.

LexiQA

Automated quality checks for accurate translations in real-time.

Factful

Enhance writing with integrated fact-checking and analytics.

Quetext

Plagiarism checker and AI content detector for academic integrity.

AI Content Detector - Leap

Quickly verifies if text is AI-generated or original content.