Productivity
Quantex
Deep text analysis with readability, style, and argument structure insights.
Quantex is a comprehensive text analysis platform that delivers readability scores, style checks, tone analysis, and argument structure detection. Ideal for writers, editors, and content teams.
What It's Great For
Common scenarios where Quantex shines
Improve Writing Clarity
Get actionable recommendations to make your writing clearer and more concise.
Academic Essay Analysis
Check argument structure, thesis strength, and logical flow in academic papers.
Content Marketing Optimization
Ensure marketing copy is readable, engaging, and on-brand.
Readability Compliance
Verify that documents meet required reading levels for specific audiences.
Document Comparison
Compare drafts or versions to track improvements and changes.
Features
What Quantex can do for you
Readability Scores
Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, and CEFR level estimation.
Style & Tone Analysis
Detect passive voice, adverbs, weak verbs, cliches, and sentiment.
Argument Structure Detection
Identify thesis, supporting points, conclusions, and logical fallacies.
Export & Compare
Export results to JSON, CSV, PDF. Compare two texts side by side.
All Features
- Character, word, sentence, and paragraph counts
- Readability scores (Flesch Reading Ease, Flesch-Kincaid, Gunning Fog)
- CEFR level estimation
- Style analysis (passive voice, adverbs, complex sentences, weak verbs, cliches, filler words)
- Tone and sentiment analysis
- Argument structure analysis (thesis, supporting points, conclusion)
- Logical fallacy detection
- Argument coherence and metrics
- Sentence length distribution and variety metrics
- N-gram frequency analysis
- Word frequency and vocabulary statistics
- Keyword extraction
- Palindromes detection
- Character frequency and type ratios
- Difficulty analysis (word and sentence difficulty)
- Interactive charts (histograms, gauges, line charts via Recharts)
- Tabbed analysis dashboard (Overview, Structure, Sentences, Diversity, Readability, Patterns, Style, Tone, Recommendations)
- KPI cards with definitions and formulas
- A/B Compare Mode for side-by-side text comparison
- Configurable analysis options modal
- Writing goals and progress tracking
- Highlighted text viewer for annotated output
- Session persistence and keyboard shortcuts
- File upload support for .txt, .md, .html, .htm, .docx, .pdf files
- Automatic Markdown/HTML stripping before analysis
- Export results to JSON, CSV, PDF
- Import previously exported analyses
- REST API with OpenAPI 3.0 specification and Swagger UI
- API rate limiting
- Health check endpoint
- Docker support
- Monorepo architecture with shared logic, types, API server, and web app
Integrate
Connect programmatically via the public API or MCP server
https://quantex.codecide.net/api Use this base URL for API requests.
Interactive API Docs →Professional services
Made to fit.
If Quantex is almost what you need, we can close the gap. Branding, data, integrations, infrastructure, or deeper customizations.
No commitment. We'll figure out what makes sense.
Quantex is free to use under the Private license.
Quantex is provided for estimation and educational purposes only. We make no warranty about the accuracy, completeness, or fitness of its results. Always verify outputs before applying them to designs, decisions, or safety-critical work.