Best similarity detection software tools in 2025

AI Essay Checker

Enhance writing with grammar checks and plagiarism detection.

AI Detector Deutsch

Detects AI-generated text for authenticity verification.

Subscription + from €50.00/page
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AI detect

Accurate detection of AI-generated text for authenticity verification.

Plagiarisma

Verify writing originality quickly and easily with an online scanner.

AI Detector Writer

Check writing for originality and AI influence.

ParaphraseX

Effortlessly rephrase text while maintaining original intent.

ChatMe

Smart AI assistant for instant answers and learning support.

PlagiarismCheckerX

Identify plagiarism in documents quickly and effectively.

Plagium AI Detector

Detects text similarities to ensure originality and integrity.

Superblog

Create and manage blogs effortlessly with automated features.

AI Plagiarism Checker

Detects AI-generated text for academic and professional integrity.

NeuralWriter

Rewrite text effortlessly while retaining original meanings.

StudyCrumb

Instantly rewords written content for originality and clarity.

MyEssayTyper

AI-generated essay samples for writing improvement.

Bypass AI

Transforms AI-generated text into human-like writing.

X Detector

Identify whether text is human-written or AI-generated.

ChatGPT Detector

Identify text as human-written or AI-generated with confidence.

AI Checker Tool

Verify if text is written by humans or generated by AI.

Copyleaks

Detects plagiarism and verifies content originality effectively.

AI Content Detector | Copyleaks

Verify if text is AI-generated or original content easily.

Studeo AI

Interactive virtual assistant for personalized STEM learning.

AI Content Detector

Identify AI-generated content with high accuracy.

Brayden.ai

Quickly extract information from various document types.