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Wordtune

  • What it is:Wordtune is an AI-powered writing assistant that rewrites, paraphrases, and refines text for clarity, tone, and impact while generating concise summaries of articles, PDFs, videos, and more.
  • Best for:Occasional writers and students, Regular writers and content creators, Professional writers and heavy users
  • Pricing:Starting from $0/month
  • Rating:85/100Very Good
  • Expert's conclusion:Recommend using Wordtune for efficient web-based summarization and rewriting of your content – especially through a browser extension.
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Reviewed byMaxim Manylov·Web3 Engineer & Serial Founder

What Is Wordtune and What Does It Do?

AI21 Labs is an Israel-based artificial intelligence firm that was established in 2017 focused on developing natural language processing (NLP), and generative AI models. Their first product was Wordtune an AI-based writing assistant, and reading assistant which was launched in 2020.

Active
📍Tel Aviv, Israel
📅Founded 2017
🏢Private
TARGET SEGMENTS
ProfessionalsStudentsWritersMarketersEnterprises

What Are Wordtune's Key Business Metrics?

👥
10M+
Users
📊
782M+
Rewrite Suggestions
📊
10
Languages Supported
📊
$34.5M
Total Funding

How Credible and Trustworthy Is Wordtune?

85/100
Excellent

AI21 Labs has shown a great deal of credibility via significant user adoption, extensive funding by major investors, and also the AI technologies they have developed by the company’s founders who are all expert in AI. Additionally, the fact that Wordtune has been actively marketed for four years and has generated a great deal of interest in the marketplace further solidifies trustworthiness.

BREAKDOWN
Technology90/100
Market Traction88/100
Leadership92/100
Financials80/100
TRUST SIGNALS
Led by AI luminaries with Google acquisitions10M+ global users$34.5M in fundingActive since 2020 with continuous evolution

What is the history of Wordtune and its key milestones?

2017

AI21 Labs Founded

Was established by three AI experts Ori Goshen, Yoav Shoham, and Amnon Shashua to develop large language models and NLP.

2020

Wordtune Launched

AI21 Labs exited stealth mode in October 2020 when it introduced Wordtune – a free, freemium, AI-based writing editor which provides context-based rewrites.

2021

Series A Funding & Wordtune Read

AI21 Labs raised $25 million in Series A funding (totaling $34.5 million). Wordtune Read for AI-powered summarization was launched.

2021

Shift to Enterprise

AI21 Labs transitioned its primary focus away from Wordtune to enterprise AI applications, but continues to support Wordtune as a product.

2025

Major User Milestones

AI21 Labs had reached over 10 million users and 782 million rewrite suggestions by August 2023.

Who Are the Key Executives Behind Wordtune?

Ori Goshen— Co-CEO & Co-Founder
Co-founder of AI21 Labs, who is a well-known AI researcher and entrepreneur, and led the development of Wordtune.
Yoav Shoham— Co-CEO & Co-Founder
Is a serial entrepreneur who sold two companies Katango (2013), and Timeful (2015) to Google. He was a principal scientist at Google until he left in 2017. He is one of the pioneers in the field of AI who is particularly interested in semantics.
Amnon Shashua— Co-Founder
Is a deep learning expert who joined the AI21 Labs’ founding team because of his enthusiasm for being an AI thought partner, and contributed to the development of AI21 Labs' core technology.

What Are the Key Features of Wordtune?

✨
Rewrite Suggestions
Wordtune generates context-aware real-time rewrites to make text more engaging, more concise, more formal, or more impactful without changing the meaning of the original text.
✨
Grammar & Style Corrections
Wordtune identifies errors in real time for syntax, punctuation, tone, and readability. It can be customized to provide different types of feedback depending upon whether you are using Wordtune to assist with casual writing, academic writing, or business writing.
✨
Content Expansion & Generation
Wordtune can generate bullet points, paragraphs, or even entire sections of a document based upon a prompt to help writers break through a creative barrier and get ideas flowing quickly.
📊
Tone Adjustment
Text 1 - "Customizable tone sliders allow you to adjust your writing to be more formal, creative, or brief depending on what your company’s voice is, or what type of audience you are writing for."
📊
Wordtune Read
Text 2 - "Wordtune will summarize long documents, YouTube videos, website pages and other content into shorter pieces of text that are easy to read."
🔗
Integrations
Text 3 - "You can embed Wordtune into many platforms such as Google Docs, Gmail, Microsoft Word, web browsers and even mobile applications so you can make suggestions right from the page you’re working on."

What Technology Stack and Infrastructure Does Wordtune Use?

Infrastructure

Cloud-based web apps and browser extensions

Technologies

Transformer-based modelsGenerative AINatural Language Processing

Integrations

Google DocsGmailMicrosoft WordChrome ExtensionLinkedInFacebookTwitter

AI/ML Capabilities

Proprietary large language models like HAIM for context understanding, semantics, and fluent text generation; supports 10 languages

Based on company statements and research reports

What Are the Best Use Cases for Wordtune?

Professionals (emails, reports)
Text 4 - "Using Wordtune saves a lot of time by rewriting sentences, adjusting tone and making grammatical corrections for professional business communications."
Students (academic papers)
Text 5 - "Wordtune improves the way you write, whether it is to improve your clarity, style and structure or to help expand your ideas, and/or check if you have written in an academic tone."
Content Marketers & Writers
Text 6 - "Wordtune expands upon your writing by generating content expansion, helping you get past writer’s block, and customizing your writing to fit your company’s voice."
Non-native English speakers
Text 7 - "Wordtune has advanced grammar correction, stylistic corrections and phrasing suggestions which go well beyond just the basic spell-check feature."
Casual social media posters
Text 8 - "Wordtune makes quick tone and phrasing changes to your social media posts on platforms like Twitter or Facebook."
NOT FORLegal document drafting
Text 9 - "The one major limitation I found with Wordtune is that it does not verify that the tone adjustment it made was legally accurate, although it does offer tone adjustments."
NOT FORCode or highly technical writing
Text 10 - "I also found that Wordtune was not specifically optimized for technical language syntax specific types of writing."

How Much Does Wordtune Cost and What Plans Are Available?

Pricing information with service tiers, costs, and details
☐Service$CostℹDetails🔗Source
Basic$0/month10 rewrites & AI suggestions per day, 3 AI summaries per month, unlimited spelling and grammar corrections—
Advanced$13.99/month ($6.99/month billed annually)30 rewrites & AI suggestions per day, 15 AI summaries per month, unlimited text corrections and recommendations, access to paraphrasing and fluency suggestions—
Unlimited$19.99/month ($9.99/month billed annually)Unlimited rewrites, AI suggestions, and summaries, vocabulary enrichment, clarity improvements, fluency boosts, premium support—
Teams$15.99 per seat/month ($7.99 per seat/month billed annually)All Unlimited features plus centralized billing, business-grade support, and easy team collaboration—
Basic$0/month
10 rewrites & AI suggestions per day, 3 AI summaries per month, unlimited spelling and grammar corrections
Advanced$13.99/month ($6.99/month billed annually)
30 rewrites & AI suggestions per day, 15 AI summaries per month, unlimited text corrections and recommendations, access to paraphrasing and fluency suggestions
Unlimited$19.99/month ($9.99/month billed annually)
Unlimited rewrites, AI suggestions, and summaries, vocabulary enrichment, clarity improvements, fluency boosts, premium support
Teams$15.99 per seat/month ($7.99 per seat/month billed annually)
All Unlimited features plus centralized billing, business-grade support, and easy team collaboration

How Does Wordtune Compare to Competitors?

FeatureWordtuneTextero
Free Tier Rewrites10 per day2 writing credits per day
Free Tier Summaries3 per monthUnlimited editing
Premium Monthly Cost$19.99$19.99
Premium Annual Cost$9.99$8.33
Unlimited FeaturesYes (Unlimited plan)Yes (all plans)
AI Editing CommandsYesYes
PDF UploadNot mentionedYes
Best Use CaseBasic rewriting and editingAcademic writing and research
Free Tier Rewrites
Wordtune10 per day
Textero2 writing credits per day
Free Tier Summaries
Wordtune3 per month
TexteroUnlimited editing
Premium Monthly Cost
Wordtune$19.99
Textero$19.99
Premium Annual Cost
Wordtune$9.99
Textero$8.33
Unlimited Features
WordtuneYes (Unlimited plan)
TexteroYes (all plans)
AI Editing Commands
WordtuneYes
TexteroYes
PDF Upload
WordtuneNot mentioned
TexteroYes
Best Use Case
WordtuneBasic rewriting and editing
TexteroAcademic writing and research

How Does Wordtune Compare to Competitors?

vs Textero

Text 11 - "Wordtune provides a greater number of free rewrites per day than Textero (10 vs 2) however Textero allows for unlimited edits on every plan including the free tier. While both services charge similar prices for their premium service ($19.99/month), Textero charges less annually ($8.33/month vs $9.99/month). In addition, Textero has added PDF upload and AI detection capability that Wordtune does not have listed as part of its capabilities.

Text 12 - "Wordtune would best suit a user who requires daily rewrite limits with access to premium support options, whereas Textero may appeal to users in an academic setting looking for a complete set of research and editing tools without any restrictions on how much they use the tool.

What are the strengths and limitations of Wordtune?

Pros

  • Text 13 - "Free plan offered with no requirement for a credit card"
  • Text 14 - "Generous free tier with 10 rewrites and AI suggestion per day"
  • Text 15 - "Unlimited spelling and grammar corrections on all plans"
  • Text 16 - "Significant discounts when paying yearly (up to 50% discount from monthly rate)"
  • Text 17 - "Advanced AI features like Vocabulary Enrichment and Fluency Improvements"
  • Text 18 - "Premium Support Available on Higher Tiers"
  • Text 19 - "Teams Plan available for Organizations with Centralized Billing"
  • Text 20 - "Three Day Trial Period for Paid Plans"

Cons

  • Limitations of daily and monthly use on both Basic and Advanced Plans
  • Premium Plan (approximately $20/month) is needed to remove limitations on advanced features
  • The differences in features between the Advanced and Unlimited plans are not clearly described.
  • There are no detailed descriptions about how the Team's plan will provide business support.
  • This product could limit affordability for people who have limited financial resources.
  • The grammar and style check features provided by this software could be more comprehensive.

Who Is Wordtune Best For?

Best For

  • Occasional writers and students — For writers with limited needs, the free version of Wordtune provides adequate basic grammar correction and 10 rewrites per day.
  • Regular writers and content creators — The Advanced version of Wordtune provides 30 daily rewrites and AI based suggestions for a reasonable cost.
  • Professional writers and heavy users — The Unlimited version of Wordtune removes all usage limits and provides access to premium support.
  • Teams and organizations — The Teams version of Wordtune includes centralized billing, business-grade support and unlimited access for all team members.

Not Suitable For

  • Users requiring unlimited features on a budget — The free version of Wordtune has usage limits; you need to pay $19.99 per month to get unlimited access to Wordtune.
  • Users seeking comprehensive research and citation tools — Wordtune is focused on rewriting and grammar, not research-related features such as analyzing PDF files.
  • Users prioritizing advanced grammar and style analysis — Based on search results, the grammar and style check features of Wordtune appear to be less comprehensive than those found in specialty products.

Are There Usage Limits or Geographic Restrictions for Wordtune?

Free Plan - Daily Rewrites
10 rewrites and AI suggestions per day
Free Plan - Monthly Summaries
3 AI summaries per month
Advanced Plan - Daily Rewrites
30 rewrites and AI suggestions per day
Advanced Plan - Monthly Summaries
15 AI summaries per month
Unlimited Plan - Usage Limits
No limits on any features
Free Trial Duration
3 days for all paid plans

What Customer Support Options Does Wordtune Offer?

Channels
Self-service support articles and guidesLive chat support within the applicationsupport@wordtune.com for direct inquiries

What APIs and Integrations Does Wordtune Support?

Public API Availability
No public API documented; integrations limited to Chrome extension and platforms like Google Docs, Gmail, LinkedIn

What Are Common Questions About Wordtune?

Wordtune allows you to paste text, upload PDF or DOCX files, and enter URLs of YouTube videos.

Wordtune has the capability to perform semantic searches, track sources, export to DOCX format, rewrite articles, and provides a Chrome extension and spotlight for identifying topics.

Yes, the free version of Wordtune includes 3 summaries per day, 10 rewrites, and limited AI prompts.

No, Wordtune complies with GDPR and does not store user data unless that user consents to do so.

No, there is no mobile app for Android, but Wordtune can be accessed via its website and Chrome extension.

Is Wordtune Worth It?

Wordtune is a flexible and versatile AI-based summarization tool that supports text, PDF, and video inputs and offers useful features such as semantic search and source tracking. It is well-suited for quickly digesting content and its Chrome extension makes using it easier from any browser platform. However, if you are an occasional writer, you may find the free version to be too limiting. Overall, Wordtune is a good option for creating reliable and accurate summaries while maintaining your right to privacy.

Recommended For

  • Individuals that require web-based article and video summarizations as quickly as possible
  • Researchers who are developing a library of research documents including reference notes
  • Casual users who would use a free plan to summarize content lightly

!
Use With Caution

  • Users who want to have mobile access
  • High volume summarizers that are limited by Wordtune’s free tier limits

Not Recommended For

  • Teams who need to integrate into the public API
  • Users who prefer an android application for their native summarization experience
Expert's Conclusion

Recommend using Wordtune for efficient web-based summarization and rewriting of your content – especially through a browser extension.

Best For
Individuals that require web-based article and video summarizations as quickly as possibleResearchers who are developing a library of research documents including reference notesCasual users who would use a free plan to summarize content lightly

What do expert reviews and research say about Wordtune?

Key Findings

Wordtune has advanced summarization capabilities for many different types of input content with some other useful features such as "Spotlight" and "Semantic Search"; it is very good at preserving your content's privacy, however, Wordtune is limited by not having a mobile application, and also because it has free tier limits.

Data Quality

High; based on official docs, reviews, and feature pages from 2024-2025 sources.

Risk Factors

!
Limitations of the free plan (only 3 summaries per day)
!
There is no mobile application available
!
A learning curve may be present for beginners when attempting to utilize the interface
Last updated: January 2026

What Additional Information Is Available for Wordtune?

Security and Privacy

Wordtune complies with the GDPR, does not collect or store user data unless the user provides explicit consent to do so; Wordtune also has features for enterprises such as a traceless security mode and SAML SSO.

Chrome Extension

Allows for summarization, rewriting, and translation directly on sites such as Gmail and LinkedIn.

What Are the Best Alternatives to Wordtune?

  • •
    Notta: Summarizes content in the form of articles, PDFs, and videos with excellent support for mobile applications; recommended for users that require android or iOS support over Wordtune’s web focus.
  • •
    Grammarly: Writing Assistant powered by AI which allows for rewriting and adjusting the tone; preferred for grammar focused edits versus Wordtune’s strengths in summarizing content.

What Are Wordtune's Summarization Metrics?

Up to 70%
Reading Time Savings
Paragraph-level
Summary Granularity
Integrated
Source Tracking

What extraction capabilities does Wordtune offer?

Semantic Search

Searches key phrases across all summaries in real-time to identify relevant content.

Spotlight Feature

Retrieves major topic(s) from content allowing you to create customized summaries based on your specific requirements.

Source Highlighting

Key points are highlighted above the original content as you hover over the summaries showing what is most important.

Keyword Search Toolbar

Focus search with keywords and phrases found within your documents.

Notes Tab

Attach personal memos to each document summary

What Is Wordtune's Summarization Modes?

Full Document Summarization
Condenses entire articles, blogs, and documents into digestible summaries
Paragraph-Level Summaries
Generates short summaries next to each passage for quick reference
Topic-Focused Summaries
Extract and summarize only the main topics relevant to user research needs
Multimedia Summarization
Supports summarization of YouTube video transcripts and other multimedia content

How Does Wordtune's Input Output Formats Compare?

Input FormatOutput FormatSupported
URL/Web LinksBullet-point summariesYes
PDF FilesDOCX exportYes
Plain Text (Paste)Shareable linksYes
YouTube LinksBullet-point summariesYes
DOCX DocumentsInline annotationsYes

Which Languages Does Wordtune Support?

English

What Is Wordtune's Processing Limits?

Free Plan Summaries
3 summaries per day
Pro Plan Summaries
5 summaries per day
Business Plan Summaries
Unlimited summaries
Enterprise Plan Summaries
Unlimited summaries with custom instructions
File Upload Size
Not specified in available documentation

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