❄️ ホリデーシーズンスペシャル：100以上の最新AIモデルで仕事を強化、最大52%割引！🎄
プランと節約を見る
loading...
Check your text for grammar, spelling, and style issues
No issues found yet.
Check your text to see suggestions.
Our state-of-the-art AI Proofreader represents the pinnacle of writing enhancement technology, seamlessly combining advanced artificial intelligence with sophisticated natural language processing to deliver unparalleled professional-grade grammar checking, spell checking, and comprehensive writing improvement. Far superior to basic spell-checkers and traditional grammar tools, our revolutionary AI proofreading system deeply understands linguistic context, writing tone, stylistic nuances, and communicative intent to provide highly intelligent corrections, contextual suggestions, and style enhancements. The AI Proofreader leverages deep learning models trained on millions of professionally edited documents to detect grammar errors, spelling mistakes, punctuation issues, style inconsistencies, clarity problems, and readability concerns. Perfect for academic writing, business communications, professional documents, creative content, technical writing, and any text requiring flawless quality and professional polish.
Detect complex grammar errors, style issues, and writing inconsistencies with AI precision
Get instant feedback as you type with smart suggestions and automatic improvements
Proofread content in English, German, French, Spanish, and 20+ other languages
Get started in just a few simple steps
Start by copying and pasting your text into our advanced editor, or type directly for real-time proofreading assistance. The system accepts text in multiple formats including plain text, rich text, or content from word processors, emails, and web pages. Import documents up to 100,000 words for comprehensive analysis. The editor preserves your original formatting while highlighting areas that need attention. Support for over 20 languages ensures accurate proofreading regardless of your writing language. All text processing happens securely with complete privacy protection, and your content is never stored or shared.
Our cutting-edge AI engine performs deep linguistic analysis using advanced natural language processing and machine learning algorithms. The system examines grammar rules, spelling accuracy, punctuation usage, sentence structure, word choice, style consistency, and readability metrics. Beyond basic error detection, the AI understands context to identify complex issues like subject-verb agreement, tense consistency, pronoun references, and modifier placement. It analyzes tone, formality level, and writing style to ensure your text matches your intended audience. The AI checks for clarity, conciseness, engagement, and flow while identifying redundancies, clichés, and weak constructions that diminish impact.
Review detailed suggestions with comprehensive explanations for each recommended change, helping you understand and learn from corrections. Color-coded highlights indicate different error types: red for critical errors, yellow for style improvements, and blue for enhancement suggestions. Apply individual corrections with a single click or accept all suggestions at once for rapid editing. The system provides alternative phrasing options, synonym suggestions, and sentence restructuring recommendations. Track changes in real-time with before/after comparisons. Export your perfected text in multiple formats or copy directly to clipboard for immediate use in any application.
Discover how professionals use our tool across different industries
Perfect essays, dissertations, research papers, and thesis documents with comprehensive proofreading that ensures academic standards. Eliminate grammar errors, improve citation formatting, enhance argument clarity, and maintain consistent academic tone throughout your scholarly work.
Polish critical business documents including emails, reports, proposals, presentations, and executive summaries. Ensure error-free communication that projects professionalism, builds credibility, and delivers clear messages to clients, stakeholders, and team members.
Enhance blog posts, articles, web content, and marketing materials for maximum engagement and SEO performance. Improve readability, eliminate errors, optimize sentence structure, and ensure consistent brand voice across all content channels.
Refine novels, short stories, scripts, and creative content while preserving your unique authorial voice. Catch subtle errors, improve narrative flow, enhance dialogue authenticity, and ensure consistency in character development and plot progression.
Experience the power of advanced AI technology
No word limits, no subscriptions - completely free professional proofreading
Advanced algorithms detect errors that traditional checkers miss
Your text is processed securely and never stored on our servers
Texts Proofread
Accuracy Rate
Languages Supported
Join thousands of satisfied users worldwide
English Literature Professor
"This AI proofreader catches errors I miss even after multiple reviews. It's become essential for grading and my own writing."
1 day ago
Content Marketing Manager
"Saves me hours of editing time. The suggestions are incredibly accurate and help improve our content quality significantly."
4 days ago
Graduate Student
"Perfect for academic writing. Helped me improve my thesis and research papers. The multi-language support is amazing!"
1 week ago
Find answers to common questions about our tool
Join millions of writers who trust our AI for error-free, professional content