Wordtune, from AI21 Labs, suggests alternative phrasings for a selected sentence with casual and formal variants, plus shortening and expanding. It also summarizes articles and videos and can continue your text with spices such as counterarguments or examples.
Available as a Chrome extension, web editor, and iOS app with a limited free plan.
Writing
AI writing assistant for grammar, tone, and clarity
Writing
Grammar checker with rewriting and paraphrasing
Writing
Paraphrasing, grammar checking, and summarizing in one tool
Writing
Grammar checker and style editor for serious writers
Writing
Academic writing and language checks for researchers
Writing
AI proofreading and editing for essays and papers
