Best similarity detection tools tools in 2025

Originality

Plagiarism checker and fact verifier for confident content creation.

Plagiarismsearch.com

Advanced plagiarism detection for maintaining content originality.

PlagAI

Detects and reports on document originality and plagiarism.

Doc2Lang

Quickly translate various document types while keeping the formatting.

GPTKit

Detects whether text is written by a person or AI.

Solace AI

Engage with documents through summaries and mind maps.

AI Content Detector - Leap

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

AI Checker

Identify AI-generated text with an intuitive text analyzer.

MiniAiLive ID

Advanced document verification for accurate identity checks.

Quadient

Streamlined customer communication and finance automation solution.

Punctuation Check

Quickly identify and correct punctuation errors in your writing.

Will hero

Create and customize your legal will online easily.

Subscription + from $99/one-time
open
InDesign

Create captivating layouts for print and digital media.

Subscription + from $4.99/m
open
AI Content Detector | Copyleaks

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

PlagiarismCheckerX

Identify plagiarism in documents quickly and effectively.

Turnitin

Reliable plagiarism detection for academic integrity and originality.

EasyBib

Generate citations and check for plagiarism easily.

Plag

Advanced plagiarism checker for academic integrity and writing improvement.

Kipper

Generate essays that pass AI detection effortlessly.

NoPlagio

Verify the originality of written work with real-time reports.

Detecting-AI.com

Identify AI-generated content with accurate analysis.

AI Detector Deutsch

Detects AI-generated text for authenticity verification.

Subscription + from €50.00/page
open
WPAutoBlog

Automated content generation for WordPress blogs.

Subscription + from $29/m
open
Paperpal

Enhances writing for academic success with real-time suggestions.

Subscription + from undefined/m
open
X Detector

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