Wordtune
Free tierExpress yourself with confidence — AI-powered paraphrasing, rewriting, and writing assistant
Key strengths
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Technical Documentation & Integration
Platform delivery: Wordtune is distributed as a browser extension for Chrome and Microsoft Edge, and as an iOS app. There is no publicly documented standalone REST API listed in the verified fact sheet.
Model provider: The AI capabilities are powered by AI21 Labs.
Feature availability by plan:
| Feature | Free Basic | Advanced | Unlimited |
|---|---|---|---|
| Rewrites | 10/day | — | Unlimited |
| AI Summarizations | 3/month | — | Unlimited |
| Free trial | — | 3 days | 3 days |
| Price (annual) | $0 | $4.89/mo | $6.99/mo |
| Price (monthly) | $0 | $6.99/mo | $9.99/mo |
Supported capabilities (all plans, subject to limits):
- Paraphrasing and rewriting
- Grammar and spelling correction
- Tone switching (formal/casual)
- AI summarization (text and YouTube videos)
- Contextual writing suggestions
- English translation from 10 source languages
Integration path: Developers and technical users should deploy via the Chrome or Edge extension to access Wordtune's features inline within web-based editors and tools.