Draftout vs Sidekicker

QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.

ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.

GPTZero is an AI detection platform for identifying machine-generated text. It combines a text detector with a Chrome extension, a plagiarism checker, writing-process verification, and educator-focused classroom tools.

HumanizeAI.pro is a free, no-signup web tool that rewrites AI-generated text so it reads more like something a person actually wrote. Paste your ChatGPT, Gemini, or Claude output, clear the captcha, and the site returns a smoother, more conversational version that keeps your keywords and meaning intact.

Revisão acadêmica, verificação de plágio e ferramentas de escrita com IA num só lugar

Undetectable AI is a web platform that scans text for AI fingerprints and rewrites flagged passages so they read like natural human writing. It bundles an AI detector, an AI humanizer and a growing set of media authenticity tools in a single dashboard.

Humaniza texto de IA e verifica quão humano se lê

Detector de IA, plágio e qualidade de conteúdo em uma única verificação

Escrever, revisar e resumir num só espaço

Um espaço com IA para escrever, editar, detetar e humanizar texto

Detector de IA multilíngue com análise por frase

Detetor de IA gratuito com análise por frases e humanizador