Best freelance writing tools in 2025

Felo

A language-focused search engine for accessible information discovery.

AI Detector By Custom Writings

Identify if written content is AI-generated or human-made.

Detecting-AI.com

Identify AI-generated content with accurate analysis.

GPTZero

Identify AI-generated text and enhance writing authenticity.

Helper Systems: kOS

Research management and organization for academic success.

Free + from $9.99/m
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GPTKit

Detects whether text is written by a person or AI.

Bladerunner

Identify AI-generated text in browser content easily.

AI Checker

Identify AI-generated text with an intuitive text analyzer.

GPT-2 Output Detector

A tool to determine if text is human or AI-generated.

AI detect

Accurate detection of AI-generated text for authenticity verification.

AI Checker Tool

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

Editage

Professional editing for academic manuscripts and research papers.

ContentDetector

Identify AI-generated text with high accuracy and detailed reports.

Pubcompare

Access millions of trusted experimental protocols for research.

Sapling AI Content Detector

Detects AI-generated text for authenticity verification.

Chisquares

Generate quick, representative survey samples for research projects.

AI Content Detector by SEORoast

Determine if text is written by AI or a human.

GPT Researcher

Autonomous research generator for in-depth topic analysis.

AI Content Detector | Copyleaks

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

MedARC

Innovative research methods for medical AI advancements.

Smodin AI Content Detector

Detects AI-generated text for content authenticity verification.

DuckDuckGo

Privacy-focused search engine for secure online browsing.

Perfectessaywriter

Generate organized, high-quality essays with AI assistance.

ImageTwin

Software for detecting image integrity issues in research articles.

PlagAI

Detects and reports on document originality and plagiarism.