QuillBot

Paraphrasing and polishing tool

Useful for English paraphrasing, grammar correction, summaries and citation help.

AI Writing改写英文摘要

Features

Freemium

English writing and grammar AI

English grammar correction, tone adjustment, writing suggestions and team style guidance.

英文写作语法

Paid

AI reading and knowledge management

Aggregates articles, PDFs, emails and highlights with summaries and knowledge workflows.

阅读知识管理摘要

Freemium

AI creation tools inside Canva

Generate images, copy, presentations and marketing assets inside Canva.

设计PPT营销

Freemium

General AI assistant and multimodal workspace

OpenAI's general AI service for chat, writing, coding, learning, image understanding and everyday work.

AI聊天写作编程多模态