Paid

Phrasly

AI humanizer and paraphrasing tool with bundled AI detector, 9+ rewriting modes on paid, and 300 free words per check. No credit card needed for basic detection.

Humbot

AI humanizer tool with 3 modes (Humanize, Casual, Formal), 600 free words/month, and a developer API. Simple paste-and-humanize workflow for bypassing AI detectors.

BypassGPT

AI humanizer with 50+ language support and a multi-detector scanner. Free tier: 150 words/month. Unlimited plan at 9/month. Best for multilingual SEO content and marketing.

WriteHuman

AI humanizer with 40+ language support, a REST API, and up to 5 output variations per request. Free plan: 3 requests/month. Paid from 2/month (annual).

StealthGPT

AI humanizer with Ninja and Ghost modes for academic and SEO content. Free: 350 words/week, no credit card. Chrome extension for ChatGPT integration. Pro at 4.99/month.

Anyword Paraphraser

AI paraphrasing tool built into Anyword's marketing platform, offering performance-scored copy rewrites, 30+ language support, brand voice control, and unlimited words — 7-day free trial, then paid plans from ~9/month.

SciSpace Paraphraser

SciSpace Paraphraser is an AI-powered academic paraphrasing tool that rewrites and restructures text while preserving scholarly meaning, part of SciSpace's broader research platform with 280M+ papers.

ContentBot.ai

ContentBot.ai is an AI content automation platform for digital marketers with AI blog writing, content Flows automation, bulk Importer, and paraphrasing tools. Prepaid $0.50/1000 words or subscription from $19/mo.

Spin Rewriter

Spin Rewriter is an AI article rewriter trusted by 181,394+ SEO specialists. Uses ENL semantic rewriting to generate up to 1,000 unique article variations. 5-day free trial, annual plan ~$77/year.

ProWritingAid

AI-powered writing assistant and paraphrasing tool trusted by 4M+ writers. Grammar checking, style analysis, and rewriting for storytellers, students, and professionals.

TextCortex

AI rewriting and paraphrasing platform with multiple tone modes. Freemium model, no signup required for basic use, browser extension available.

Frase

Agentic SEO and GEO platform with 80+ AI skills for content research, creation, optimization, and AI visibility tracking across Google, ChatGPT, and Perplexity.

Simplified

All-in-one AI marketing platform for content creation, design, video, and social media management with freemium access and 100,000+ templates.

Article Forge

Fully automatic AI article writer that researches, plans, and writes 1,500+ word SEO-optimized articles with a single click, backed by over a decade of AI research.

HumanizeAI Pro

HumanizeAI Pro is a leading AI humanizer and paraphrasing tool that transforms AI-generated content into natural, human-like text capable of bypassing AI detectors.

JustDone

JustDone is an all-in-one AI workspace for students and researchers featuring an AI paraphraser, humanizer, detector, plagiarism checker, summarizer, and grammar checker.

Clever Spinner

GPTHuman

GPTHuman is an AI humanizer and paraphrasing tool that rewrites AI-generated text to bypass detectors like GPTZero and Turnitin. Freemium — free tier (300 words/month) + Starter from $8.25/month (annual billing).

Originality.ai

Originality.ai is the most accurate AI content detector and plagiarism checker for ChatGPT, GPT-4o, Claude, and Gemini, featuring unique paraphrase detection and a full content quality suite for publishers and agencies.

Walter Writes AI

AI-powered humanizer and paraphrasing tool that rewrites AI-generated text to sound naturally human, bypassing AI detectors like Turnitin and GPTZero.

RewriteTool.net

Free AI rewording and paraphrasing tool with multiple rewriting modes, synonym replacement, and premium plans for unlimited content rewriting.

Word Spinner

Word Spinner is an all-in-one AI writing platform trusted by 100,000+ users that combines AI paraphrasing, AI humanization, AI detection, plagiarism checking, and writing templates in a single subscription.

Paraphrase Tool

AI paraphrasing platform with 20 rewriting modes across 100+ languages, including summarize, simplify, elaborate, and plagiarism checking on a freemium plan.

HumanizerAI

AI humanizer that converts ChatGPT, Claude, and Gemini text into undetectable human writing. Bypasses GPTZero, Turnitin, Originality.ai. 3 modes, API access, from $10/mo.

HumaLingo

All-in-one AI humanizer, AI detector with sentence-level highlights, and unlimited paraphraser. From $2/month. End-to-end encrypted. Unlimited usage on paid plans.

Duplichecker

Duplichecker is a comprehensive writing suite offering free AI paraphrasing, professional plagiarism detection, and multi-format file support.

Linguix

Enhance your writing with real-time grammar and style suggestions, ensuring clarity and professionalism in every piece. Perfect for anyone looking to improve their communication skills.

Stealth Writer

Generate high-quality, engaging content effortlessly, tailored to your specific needs and preferences. Perfect for blogs, articles, and social media posts, ensuring originality and relevance with every piece.

Regem AI

Write High-Quality Content Seamlessly without any extra effort. Start using Regem AI Platform for Free. Get started now...

AI Paragraph Generator

Easily generate descriptions and creative pieces with the help of a Paragraph Generator. An effortless way to boost your writing skills.

Optimize Content

Optimize your content for better search engine rankings with Scalenut, the most advanced SEOtool that comes with amazing AI content capabilities.

Jasper

Write copy that converts with Jasper's AI copywriting solutions.

HIX.AI

An all-in-one AI writing copilot with over 120 tools, including a powerful multi-lingual paraphraser and AI humanizer.

Wordvice AI

Wordvice AI is an all-in-one writing platform providing high-precision paraphrasing, automated proofreading, and specialized academic editing modes.

GPTinf

Generate high-quality written content tailored to your needs, including articles, blog posts, and marketing materials, ensuring clarity and engagement for your target audience.

PrePostSEO

PrePostSEO is an SEO-focused digital toolkit providing advanced AI paraphrasing with multiple writing modes and integrated content optimization features.

Wordtune

AI-powered paraphrasing and writing assistant by AI21 Labs. Offers contextual rewrite suggestions, tone adjustment, AI summaries, and grammar checks. Used by 10M+ users with a Chrome extension for Gmail, Google Docs, and more.

Writesonic

AI writing and SEO platform with built-in paraphrasing, content generation, and AI search visibility tracking (GEO). Tracks brand mentions across ChatGPT, Perplexity, and 10+ AI platforms. Free tier available.

AISEO

AI content platform with powerful paraphrasing, AI humanizer, one-click blog creation, and SEO optimization. Used by 1M+ professionals. Rated 4.8/5 on G2. Plans from $15/month with a 1-day $1 trial.

Copy.ai

AI-powered GTM platform for paraphrasing, content rewriting, and go-to-market workflow automation, trusted by 17 million users.

Grammarly Paraphraser

Free AI paraphrasing tool by Grammarly that rewrites text with multiple styles, no sign-up required. Trusted by 40+ million users worldwide.

SpinnerChief

AI-powered article spinning and paraphrasing tool with AI humanization, bulk processing, local AI execution, and AI detection bypass capabilities.

Hypotenuse AI

Enterprise AI content platform for ecommerce teams. Generates and paraphrases product descriptions at scale across thousands of SKUs, with brand voice customization, PIM/ERP integration, and 40+ language support.