Wordtune

AI writing companion — rewrite sentences, adjust tone and get AI suggestions as you write in Google Docs.

🤖 Writing & Content
4.4 Rating
🏢 AI21 Labs

📋 About Wordtune

Wordtune is an AI-powered writing assistant developed by AI21 Labs, an Israeli artificial intelligence company founded by researchers with deep backgrounds in natural language processing. Launched in 2020, the tool was built with a singular focus on helping writers rewrite, rephrase, and refine their sentences rather than generating content from scratch. AI21 Labs positioned Wordtune as a complement to human writing, preserving your voice while enhancing clarity, tone, and impact.

The technology behind Wordtune is powered by AI21 Labs' proprietary large language models, which are specifically trained to understand context, semantics, and linguistic nuance at a deep level. Unlike general-purpose AI models, Wordtune's models are fine-tuned for rewriting tasks, meaning they analyze not just individual words but the broader intent and meaning of your sentences. You can expect the system to offer multiple alternative phrasings in real time, giving you meaningful choices rather than a single automated correction.

Wordtune's three standout features include its Rewrite function, its Tone Adjustment capability, and its AI-powered Summarizer. The Rewrite function generates up to ten alternative versions of any selected sentence, letting you choose the phrasing that best fits your context. Tone Adjustment allows you to shift between formal and casual registers with a single click, while the Summarizer can condense lengthy articles or documents into digestible key points, saving you significant reading time.

Wordtune operates on a freemium model with a free tier that gives you limited rewrites per day, suitable for casual users who need occasional editing support. The Plus plan, priced at approximately $13.99 per month, unlocks unlimited rewrites, tone controls, and summaries, making it ideal for students, bloggers, and content creators who write regularly. An Unlimited plan aimed at professionals and teams offers advanced features and higher usage limits, while enterprise pricing is available for organizations requiring custom integrations and volume access.

By 2026, Wordtune has become a trusted tool for millions of students, non-native English speakers, business professionals, and content marketers who use it to elevate the quality of their everyday writing. Non-native English speakers in particular have found significant value in the tool, using it to produce polished, natural-sounding prose without losing their intended meaning. Its browser extension and integrations with platforms like Google Docs and Gmail mean you can access writing assistance directly within the workflows you already rely on, reducing friction and improving productivity measurably.

⚡ Key Features

Wordtune rewrites entire sentences to improve clarity, tone, and overall readability instantly.
Users can choose from casual or formal tone options to match their writing style perfectly.
The AI suggests multiple rewrite variations so users can select the best version for their needs.
Wordtune's summarization feature condenses long articles and documents into concise, digestible key points.
The tool integrates seamlessly with Google Docs, Gmail, and other platforms for in-workflow editing.
Wordtune Spices adds statistics, examples, and counterarguments to enrich and expand your existing content.
The AI detects awkward phrasing and offers natural-sounding alternatives to enhance professional communication.
Wordtune supports multiple languages and helps non-native English speakers write more fluently and confidently.

🎯 Popular Use Cases

🔍
Content Rewriting
Bloggers and content creators use Wordtune to rephrase entire paragraphs for clarity and engagement, choosing from multiple rewrite suggestions. They save hours of editing time and publish polished articles faster.
📝
Professional Email Writing
Business professionals use Wordtune to rewrite emails in a more formal or concise tone before sending. The result is clearer communication that leaves a stronger impression on colleagues and clients.
📊
SEO Content Optimization
Digital marketers use Wordtune to rephrase repetitive or keyword-stuffed sentences into natural, reader-friendly copy. This improves readability scores and helps content perform better in search rankings.
🎓
Academic Writing Assistance
Students and researchers use Wordtune to paraphrase source material and improve the flow of essays or thesis drafts. They produce more coherent academic writing while avoiding unintentional plagiarism.
💼
Non-Native English Writing
Non-native English speakers in corporate and academic settings use Wordtune to elevate their writing to sound natural and fluent. They gain confidence in their communications and reduce time spent on language corrections.

💬 Frequently Asked Questions

Is Wordtune free to use?
Yes, Wordtune offers a free plan that includes 10 rewrites per day and limited access to its core features. The paid Pro plan starts at approximately $13.99 per month (billed annually) or $24.99 month-to-month, unlocking unlimited rewrites and advanced AI features. A Plus plan is also available at around $9.99/month annually for moderate users.
How does Wordtune compare to ChatGPT?
Wordtune is purpose-built for rewriting and refining existing text, offering inline sentence-level suggestions directly within your document or browser. ChatGPT is a general-purpose conversational AI that generates new content from scratch but lacks the focused editing UI that Wordtune provides. Wordtune integrates seamlessly with Google Docs, Gmail, and other platforms, making it more practical for on-the-go editing.
What can I do with Wordtune?
Wordtune lets you rewrite sentences in different tones (casual, formal, shorten, expand), fix grammar and spelling, and summarize long articles. It also offers an AI text editor with generative writing capabilities and a spices feature that adds statistics, examples, or counterarguments to your text. The Chrome extension makes these features accessible across Gmail, Google Docs, LinkedIn, and more.
Is Wordtune safe and private?
Wordtune is developed by AI21 Labs and states that it does not sell user data to third parties. Text submitted for rewriting is processed on their servers, and users should avoid pasting highly sensitive or confidential information. The platform complies with standard data protection practices, and enterprise users can inquire about additional privacy agreements.
How do I get started with Wordtune?
Visit wordtune.com and sign up for a free account using your Google account or email address. Install the Wordtune Chrome extension to access rewriting features directly in Google Docs, Gmail, and other web-based editors. Once installed, highlight any text and click the Wordtune icon to receive instant rewrite suggestions.
What are the limitations of Wordtune?
The free plan restricts users to only 10 rewrites per day, which can be limiting for heavy writers or content teams. Wordtune works best for English text and has limited support for other languages, making it less useful for multilingual workflows. It also focuses primarily on sentence and paragraph-level edits rather than providing deep structural or strategic content feedback.

👤 About the Founder

Yoav Shoham
Yoav Shoham
Co-Founder & Chairman · AI21 Labs
Yoav Shoham is a professor emeritus of Computer Science at Stanford University with decades of AI research experience. He co-founded AI21 Labs, the company behind Wordtune, alongside Ori Goshen to advance the field of natural language processing. Shoham built Wordtune to create AI that truly understands language meaning, going beyond simple grammar correction to genuine writing assistance.

⭐ User Reviews

★★★★★
Wordtune's rewrite and expand features have completely transformed how I draft blog posts — I can quickly turn bullet points into full paragraphs with the right tone. The Chrome extension works seamlessly in Google Docs, making it a natural part of my daily workflow.
SK
Sarah K.
Content Manager
2025-11-15
★★★★★
I use Wordtune to polish technical documentation and internal communications, and the shorten feature is especially helpful for trimming verbose explanations. It occasionally misses technical context, but the overall quality of suggestions is impressive for a non-writing tool.
JT
James T.
Software Engineer
2025-10-20
★★★★★
The Spices feature in Wordtune is a game-changer — being able to add real statistics or examples to a draft in one click saves my team enormous research time. The tone adjustment options between casual and formal ensure our brand voice stays consistent across all channels.
PM
Priya M.
Marketing Director
2025-09-10
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wordtune.com
Wordtune
AI writing companion — rewrite sentences, adjust tone and get AI suggestions as you write in Google Docs.
📤 Share This Tool
ℹ️ Quick Info
CategoryWriting & Content
DeveloperAI21 Labs
PlatformWeb, iOS, Android
AccessFreemium
Rating⭐ 4.4/5
Launched2020
🏷️ Tags
Writing & ContentFreemiumAI21 LabsAIWordtune

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