Write your functional documentation in one hour instead of a week
DocNexus is an AI-powered writing platform that guides you step by step. Answer the questions, and the AI structures and writes your document. Specifications, business rules, user flows: get a complete, professional deliverable, ready to share.
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DocNexus doesn't write for you: it writes with you.
Functional documentation that's clear, structured, and thorough every time
The AI analyzes your answers and makes sure nothing is missed: functional scope, business rules, use cases, technical constraints. Every section is organized according to professional standards and checked against hundreds of control points. The result: a document you can hand off directly to your teams or vendors.
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Start NowI have always believed that AI should not replace humans, but empower them. DocNexus puts domain expertise back at the center by helping you structure and challenge your thinking. That is what true augmented intelligence looks like.
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Much more than functional documentation
Reports, technical specifications, requirements documents, contracts, project briefs… DocNexus adapts to all your professional document types with the same efficiency.
Try DocNexus for freeSuggested answers to move faster
For each question, the AI offers pre-written responses you can select or customize. You make progress quickly, even on complex topics.
Save time on my documentationA document tailored to your context
The AI adjusts the level of detail, vocabulary, and tone based on your industry, your role, and your audience. Whether you're a project manager, consultant, or product owner, the result fits your needs.
Create my first documentProfessional Word export in one click
Get a ready-to-use .docx file: automatic table of contents, hierarchical headings, polished layout. No formatting touch-ups needed.
Try Word export nowThree steps to get your functional documentation
A proven technology that radically transforms document production.
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Sign up in seconds. Five pages free to write your first functional documentation with no commitment.
Answer the AI's questions
The AI asks about context, expected features, and business rules. No need to start from a blank page: it guides you and suggests answers along the way.
Get your finished document
Export your functional documentation in Word format with a table of contents, professional layout, and complete structure. Ready to share with your teams.
Write in 6 languages
Produce your functional documentation in French, English, German, Spanish, Italian, or Portuguese. Perfect for international projects or multilingual teams.
Write in my languageEdit and regenerate as much as you want
Not happy with a section? Ask the AI to rewrite all or part of the text based on your instructions. You keep full control over the final content.
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Simple, transparent pricing that scales with your growth.
Recommended
Pro
Ideal for freelancers
Linked documents included
equivalent to
~ 300 pages written
Recommended
Plus
For strategic documents
Linked documents included
equivalent to
~ 600 pages written
Recommended
Business
Designed for teamwork
Linked documents included
equivalent to
~ 1 200 pages written
Entreprise
Plan tailored to fit your needs
Your next functional documentation ready in one hour
Create your free account and see how DocNexus turns a week of writing into one hour of conversation. Five pages free, no commitment.
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