WhiteSmoke

AI Writing Assistant Tools AI Productivity Tools

↳AI Grammar & Proofreading Tools ↳AI Document & Writing Tools

Paid

AI grammar checker with 50+ language translation, plagiarism detection, and desktop app for business writing

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New & Growing

Released 2002

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About WhiteSmoke

WhiteSmoke is an AI-powered English grammar, spelling, punctuation, and style checker that has been serving writers and businesses worldwide since the early 2000s, making it one of the longest-standing commercial grammar tools available. Built to help professionals, students, and non-native English speakers write error-free in English, WhiteSmoke combines real-time grammar checking with a built-in plagiarism checker, a multilingual translator covering 50+ languages, a dictionary and thesaurus, and writing templates for common business and professional document types.

WhiteSmoke is available across multiple platforms \u2014 a web-based version that works across all browsers, a Premium desktop version for Windows that integrates with Microsoft Word and Outlook, and mobile apps for iOS and Android. The Business plan provides 3 computer licenses with dedicated customer support, making it accessible for small teams. Its multilingual translation capability and support for non-native English writers has been a distinguishing feature for international business users who need both grammar correction and quick translation in a single tool.

WhiteSmoke is best suited for business professionals, non-native English writers, and organizations looking for a straightforward, all-in-one proofreading solution with multilingual translation support. Prospective users should note its 3.8/5 rating (24 Capterra reviews) and compare it carefully against newer, higher-rated alternatives like Grammarly and ProWritingAid before committing to a paid plan.

Key Features

AI grammar, spelling, punctuation, and style checker with real-time error detection
Plagiarism checker for scanning documents against web and academic content
Built-in translator covering 50+ languages for multilingual writing support
Dictionary and thesaurus for vocabulary enhancement and synonym suggestions
Writing templates for emails, business letters, and common document types
Browser extension compatible with all major browsers for in-browser proofreading
Desktop app for Windows with integration into Microsoft Word and Outlook (Premium/Business)
Mobile apps for iOS and Android for on-the-go grammar checking
Instant proofreading with sentence-level suggestions and corrections (Premium/Business)
Business plan with 3 simultaneous computer licenses for small teams

Pros

One of the longest-standing commercial grammar tools — established trust in international markets since early 2000s
Built-in 50+ language translator alongside grammar checking — useful for multilingual business writers
Available across web, Windows desktop, iOS, and Android — broad platform coverage
Writing templates for common business documents and emails included
Business plan with 3 licenses provides cost-effective team access
Plagiarism checker included in all plans — not gated behind a higher tier
Works across all browsers and integrates with Microsoft Word and Outlook (Premium/Business)

Cons

Lower rating (3.8/5) than competing tools like Grammarly — 21% of users rate it negatively
No free plan — requires paid subscription after trial period
Interface and suggestion quality feels dated compared to newer AI writing tools
Customer support rated 3.1/5 — below industry average
Less sophisticated AI suggestions than modern tools like Grammarly or ProWritingAid

Pricing

WhiteSmoke has no permanent free plan but offers a free trial. All plans are subscription-based.

Web plan at $10/month: browser-based grammar and plagiarism checking, works across all browsers, includes translator.

Premium plan at $13.33/month: adds 1 computer license for the desktop app, integrates with Microsoft Word, Outlook, and all writing platforms, instant proofreading features.

Business plan at $22.99/month: includes 3 computer licenses, dedicated customer support, extended download warranty for download protection and reinstallation rights.

Volume licensing and annual billing options are available for larger organizations. Contact WhiteSmoke through whitesmoke.com for enterprise and volume pricing.

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Frequently Asked Questions

WhiteSmoke checks English grammar, spelling, punctuation, and writing style errors in real-time. It also includes a plagiarism checker, a built-in translator covering 50+ languages, a dictionary and thesaurus, and writing templates. It works across web browsers, desktop apps (Windows), and mobile apps (iOS and Android).

WhiteSmoke offers three paid plans: Web at $10/month (browser-based, all browsers), Premium at $13.33/month (1 computer license, integrates with all writing platforms including Word and Outlook), and Business at $22.99/month (3 computer licenses, dedicated customer support, extended download warranty). A free trial is available with no permanent free plan.

WhiteSmoke’s built-in translator covers 50+ languages, allowing users to translate text directly within the writing interface. This makes it useful for non-native English writers and international business professionals who write in multiple languages.

The WhiteSmoke Premium plan integrates with all major writing platforms including Microsoft Word, Outlook, Google Docs, Gmail, and all major web browsers via browser extension. The Business plan adds 3 simultaneous computer licenses and dedicated customer support.

WhiteSmoke has been available since the early 2000s, making it one of the oldest AI grammar checking tools. However, newer competitors like Grammarly and ProWritingAid have since surpassed it in AI sophistication and user satisfaction. Its 3.8/5 Capterra rating reflects a mixed reception, with some users appreciating its multilingual support and others finding its suggestions less comprehensive than modern alternatives.