Wordtune
by AI21 Labs
FreemiumAI writing companion that rewrites and refines sentences with multiple alternative phrasings. Offers tone adjustment, summarization, and translation. Browser extension works across all platforms.
Overview
Wordtune by AI21 Labs is an AI writing companion that helps refine and rephrase your sentences. Rather than generating content from scratch, Wordtune offers multiple alternative phrasings for any sentence — from formal to casual, shorter to longer, and everything in between.
The browser extension integrates into Gmail, Google Docs, LinkedIn, and virtually any text field online. Wordtune Read summarizes long documents and articles, while the editor helps with full-document writing and refinement.
Pricing
Free
$0 /mo
- 10 rewrites per day
- 3 summaries per month
- Basic spelling and grammar checks
Advanced
$6 /mo
- 30 rewrites per day
- 15 AI summarizations
- AI recommendations and suggestions
Unlimited
$9 /mo
- Unlimited rewrites and summaries
- Priority processing
- Full feature access
Pros & Cons
Pros
Excellent at refining existing text rather than generating from scratch
Browser extension works everywhere
Multiple tone options (formal, casual, confident)
Wordtune Read summarizes long documents well
Affordable pricing compared to competitors
Cons
Limited free tier (10 rewrites/day)
Not a content generator — requires your initial text
Less useful for long-form content creation
No API for developers
Lacks advanced features of full AI writing suites