A New Way of Writing Through AI

Write your functional specifications in one hour instead of one week

DocGenius transforms how you write functional specifications with an AI-guided conversational approach. No more hours staring at a blank page. Our smart assistant asks you the right questions and instantly structures your document with professional quality.

Write my specifications now

A new way to write, with you at the center

DocNexus doesn't write for you: it writes with you.

Get complete, structured specifications with no technical effort

Even without expertise in technical writing, DocGenius guides you to create thorough, perfectly organized functional specifications. Our AI analyzes your needs, suggests the essential sections, and makes sure no important detail is left out. You get a professional document ready to share with your team or clients.

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Already trusted by more than 6,800 experts

Join those who have transformed the way they write.

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I 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.

Luc Julia
Luc Julia Co-creator of Siri, Chief Scientific Officer at Renault
+ 260,000

Documents created with DocNexus

+ 900,000

Hours of Writing Saved

+ 2.1 Million

AI-Generated Questions

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Create all types of technical documents in record time

Beyond functional specifications, DocGenius helps you write requirements documents, technical specs, user stories, API documentation, and much more. Our AI adapts to every format with the same efficiency.

See all the documents you can create

Guided questions with suggestions for smooth writing

Say goodbye to writer's block! DocGenius asks you precise questions and offers answer suggestions tailored to your context. This conversational approach dramatically speeds up the writing process while making sure your document is complete.

Try the conversational approach

An AI that adapts to your context and expertise

DocGenius automatically calibrates its level of technical detail to match your experience. Whether you're an expert or a beginner, the assistant adjusts its questions and suggestions to create a document perfectly aligned with your style and skill level.

Adapt to my skill level

Professional export with a table of contents and clean layout

Your document is automatically formatted to professional standards. Dynamic table of contents, heading hierarchy, consistent numbering—everything is optimized for a flawless presentation, ready to share in .docx format.

Create a professionally formatted document

Three steps to get started

A proven technology that radically transforms document production.

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1

Create your free account

Sign up in seconds to access DocGenius and start writing your functional specifications right away.

2

Answer the AI's questions

Our smart assistant guides you with targeted questions about your project. Each answer automatically refines the structure and content of your specifications.

3

Get your complete document

In less than an hour, DocGenius generates detailed, well-structured functional specifications that are ready to use, which you can export or edit to fit your needs.

Write your specifications in 6 different languages

Work on international projects without language barriers. DocGenius lets you write your functional specifications in English, French, Italian, Spanish, German, or Portuguese, with the same quality and technical precision in every language.

Write in my preferred language

Smart regeneration of specific sections on demand

Need to adjust part of your specifications? DocGenius lets you instantly regenerate specific sections to match your new requirements, without having to redo the entire document. Gain flexibility while keeping everything consistent.

Test the flexibility of DocGenius

Our Plans

Simple, transparent pricing that scales with your growth.

Pro

Ideal for freelancers

$99 / month
Max project size

Linked documents included

100 Pages
300 credits / month
equivalent to
~ 300 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources

Recommended

Plus

For strategic documents

$199 / month
Max project size

Linked documents included

250 Pages
600 credits / month
equivalent to
~ 600 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources
Compliance and Standards

Business

Designed for teamwork

$399 / month
Max project size

Linked documents included

500 Pages
1 200 credits / month
equivalent to
~ 1 200 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources
Compliance and Standards
Custom evaluation
 

Entreprise

Plan tailored to fit your needs


Max Project Size: 1,000 Pages
Dedicated support and training
Group access management
Volume discounts
Custom integration

Go from 5 days to 1 hour on your next functional specifications

Join the thousands of professionals who have transformed how they document their projects. With DocGenius, create detailed, professional, ready-to-use functional specifications in a fraction of the usual time.

Write my specifications now

Notre FAQ

Yes, creating an account is completely free, and you get five free pages to write your first functional specifications. After that, we offer a range of subscription plans tailored to your volume and frequency of technical writing.

With the free account, you can create one complete document of up to five pages. Our paid plans let you create an unlimited number of functional specifications, with different page limits depending on the plan you choose.

Absolutely! After generation, you have full control over your document. You can edit the text, reorganize sections, and add or remove content directly in the interface or after exporting to Word format.

For functional specifications of average complexity (15–20 pages), most of our users complete the process in 45–60 minutes. More detailed or technical documents may take up to 2–3 hours, compared to several days with traditional methods.

That's exactly where DocGenius shines! Our AI is designed to guide even beginners through the technical writing process. It asks the right questions, suggests the appropriate structure, and provides relevant examples to help you create professional specifications with no prior experience.