Slick Write
Free grammar checker and writing style analyzer with Flow Analytics and 30 customizable checks
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About Slick Write
Slick Write is a free online grammar checker and writing style analyzer developed by RussTek as a no-frills, no-cost tool for writers who want clear statistical feedback on their prose. Unlike subscription-based grammar tools, Slick Write requires no account, charges nothing, and provides instant analysis of any pasted text \u2014 checking grammar errors, stylistic weaknesses, and providing a rich suite of writing statistics that many paid tools do not offer.
Slick Write\u2019s standout capability is its depth of statistical analysis. Beyond basic grammar checking, it measures passive voice density, prepositional phrase index, vocabulary variety, readability scores, and sentence length variation. Its Flow Analytics feature graphs sentence-type, word-length, and sentence-length flow across the entire document \u2014 giving writers a visual picture of their prose\u2019s rhythm that is genuinely useful for identifying monotonous sections. A Word Associator helps overcome writer\u2019s block by suggesting related terms, and all 30 analysis checks are fully customizable so writers can focus only on what matters to their specific project. Documents are explicitly not stored or redistributed, making it safe for confidential writing.
Slick Write is the right choice for budget-conscious writers, students, bloggers, fiction authors, and anyone wanting quick stylistic feedback without committing to a paid subscription \u2014 particularly those who value writing statistics like passive voice density, prepositional phrase overuse, and sentence rhythm visualization alongside basic grammar correction.
Key Features
- Grammar and spelling checker with error highlighting and correction suggestions
- Flow Analytics — visualizes sentence-type, word-length, and sentence-length flow for rhythm analysis
- 30 customizable analysis options: adverbs, passive voice, clichés, prepositional phrases, repeated words, and more
- Detailed writing statistics: word count, reading time, passive voice index, prepositional phrase index, vocabulary variety
- Automated readability index scoring (Automated Readability Index, ARI)
- Word Associator — suggests related words and phrases to overcome writer’s block
- Quote Highlighter — detects and highlights quoted text within documents
- Unlimited word count — no character or word limits on text analysis
- Documents not stored or redistributed — private processing for sensitive writing
- Browser extensions for Chrome and Firefox for easy access from any webpage
Pros
- Completely free — no account, no subscription, no hidden costs, no word limits
- Flow Analytics provides unique sentence rhythm visualization not found in most paid tools
- 30 customizable analysis checks let writers focus on their specific weaknesses
- Detailed writing statistics: passive voice index, prepositional phrase density, vocabulary variety, readability
- Documents not stored or redistributed — private and secure for sensitive writing
- Word Associator helps overcome writer’s block with related term suggestions
- 4.4/5 Capterra rating — highly recommended by its small but satisfied user base
Cons
- Web-only — no desktop app, no offline capability
- No real-time checking as you type — requires paste-and-check workflow
- Less sophisticated than Grammarly or ProWritingAid for advanced style suggestions
- English-only — no multilingual support
- Minimal UI with no modern AI writing suggestions or rewrites
- No mobile app or integration with Google Docs or Microsoft Word
Pricing
Slick Write is completely free with no paid plans, no premium tier, and no subscription model. All features are available at no cost with no account creation or credit card required.
This includes unlimited text checking, all 30 analysis options, Flow Analytics, writing statistics, the Word Associator, and the browser extensions for Chrome and Firefox. There are no usage limits or word count restrictions.
Slick Write is supported as an independent project by RussTek with no monetization through subscriptions, ads, or data sales.
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Frequently Asked Questions
Slick Write is a free online grammar checker and writing style analyzer. You paste your text into the editor, click Check, and it analyzes your writing for grammar errors, stylistic weaknesses, adverb use, passive voice, prepositional phrase density, and provides detailed text statistics including readability scores, sentence flow, and vocabulary variety.
Slick Write is completely free — there is no paid plan, no premium tier, and no subscription required. All features are available at no cost with no account creation needed.
Slick Write’s Flow Analytics feature graphs sentence-type flow, word-length flow, and sentence-length flow across your entire document — giving writers a visual picture of the rhythm and pacing of their writing. This helps identify stretches that feel monotonous or overly dense.
Slick Write offers 30 customizable analysis options that users can enable or disable. These include checking for adverbs, passive voice, clichés, prepositional phrases, conjunctions, contractions, repeated words, sentence structure variety, and more — allowing writers to focus on their specific areas for improvement.
Yes — Slick Write explicitly states that documents are not redistributed and are not stored on their servers. Your text is processed locally and remains private, making it safe for confidential or sensitive writing projects.
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