Paraphrasing & Rewriting AI Tools

Decopy AI is a free suite of writing and study utilities covering text humanizing, AI detection, summarisation of documents, video and audio, speech conversion, a maths solver, flashcard and worksheet creation, and story and article generation — usable without creating an account.

Undetectable AI rewrites AI-generated text so it reads as human-written and is less likely to be flagged by detectors. It also sells detection tools of its own — for text, images, voice, video and deepfakes — plus a suite of writing utilities and a Chrome extension.

ZeroGPT Paraphraser review on AInexfinder — free AI tool for Writing & Content. Features, pricing notes, and alternatives.

QuillBot review on AInexfinder — freemium AI tool for Writing & Content. Features, pricing notes, and alternatives.

Phrasly is a suite of eight writing tools built around an AI humanizer and detector, with a document editor, content and thesis generators, a translator and a citations generator. Its page title describes it as an AI detection remover and stealth writer, and it also publishes an ethics page.

Convert AI-generated text into natural human writing Category: Writing & Content.

Walter Writes AI review on AInexfinder — subscription AI tool for Writing & Content. Features, pricing notes, and alternatives.

CleverSpinner review on AInexfinder — subscription AI tool for Writing & Content. Features, pricing notes, and alternatives.

WordAi is an AI article rewriter that restructures text sentence by sentence to produce unique variations, with bulk processing, an API and spintax export — marketed partly on passing AI detectors, which is where judgement is required.

Humalingo combines an AI detector that highlights machine-written passages and explains what triggered them with a rewriting tool that adjusts text by purpose, tone and mode. It also offers a plagiarism checker and a paraphraser, and displays testimonials describing academic and workplace use.

RewritePal is a free online writing assistant for paraphrasing, grammar and spelling correction, tone adjustment, and making AI-generated text read more naturally, with a 40,000-character editor and no account required.

AI humanizer and academic writing assistant for students Category: Writing & Content.

AI workspace with multilingual paraphraser and docs Category: Writing & Content.

AI humanizer that restructures text to read naturally Category: Writing & Content.

GPTHuman is an AI humanizer that rewrites text from ChatGPT, Claude, Gemini and other models to sound more human and to pass AI-detection tools. It is marketed to students, writers and SEO, but its dominant use, passing AI work off as human, breaches most institutions' rules, which this review weighs honestly.

Rephrasy rewrites AI-generated text from models including ChatGPT, Claude, Gemini and DeepSeek, with a built-in detector scoring output against tools such as GPTZero, Copyleaks and Originality.ai. It offers style cloning, an AI writer and an API, and is marketed explicitly at students submitting essays.

GPTinf review on AInexfinder — subscription AI tool for Writing & Content. Features, pricing notes, and alternatives.

UnAIMyText review on AInexfinder — free AI tool for Writing & Content. Features, pricing notes, and alternatives.

Grubby AI review on AInexfinder — freemium AI tool for Writing & Content. Features, pricing notes, and alternatives.

Wordvice AI review on AInexfinder — freemium AI tool for Writing & Content. Features, pricing notes, and alternatives.

Wordtune review on AInexfinder — freemium AI tool for Writing & Content. Features, pricing notes, and alternatives.

Free AI Humanizer is a tool on CopyChecker that rewrites AI-generated text to read more naturally, with controls for mode, readability level, purpose, and strength, capped at 500 words per run and usable without signup.