Beyond Excel. Create specs with AI.
From requirements to detailed design — collaborate in real-time as a team. AI assists every step of your system specification workflow.
Independently developed in Japan by NGUYEN VIET ANH
Feeling the limits of Excel?
Version hell
v1_final, v1_final2, v1_confirmed... Which is the latest?
Knowledge silos
When the person in charge is away, no one can touch the specs.
Review bottlenecks
Endless email back-and-forth with file attachments.
No AI leverage
Manually writing hundreds of spec items one by one.
Invisible progress
No way to see completion status at a glance.
Inconsistent quality
Spec quality varies drastically by who wrote it.
Blueprint: Turn an idea into a specification draft.
Just describe your project concept. AI automatically generates structured specifications — from requirements to detailed design.
Export to Excel & Markdown
Explore BlueprintDXSpec solves it all.
Optimized for the Japanese SDLC
Unlike overseas tools, DXSpec fully covers the design phases familiar to Japanese SI projects.
Requirements definition
- Use cases
- Function list
- Business requirements
- Non-functional requirements
Basic design
- Module breakdown
- Screen design
- DB design
- API design
Detailed design
- Test cases
- Batch design
- Report design
- External systems
Built by engineers who know the Japanese SI frontline.
Everything you need for spec management
A comprehensive platform replacing scattered Excel files and email chains.
Multi-tenant architecture
Company → Workspace → Project hierarchy with granular permissions.
Real-time collaboration
Multiple users co-edit simultaneously with live cursors and comments.
AI-powered suggestions
Context-aware AI assists every design item with smart suggestions.
Blueprint generation
Generate complete specs from a brief project description in minutes.
Review & version control
Structured approval workflows with full version history and audit trails.
Excel & Markdown export
Export to familiar formats. Import existing Excel specs seamlessly.
Get started in 4 simple steps
From sign-up to team collaboration — a smooth onboarding experience.
Sign up free
Create an account and sign in.
Create a project
Set up your workspace and project, then invite your team.
Generate with Blueprint
Describe your project and let AI auto-generate your specs.
Collaborate as a team
Invite members and start co-editing specs in real-time.
Account and data controls
Controls for signing in, sharing projects, and using AI.
Account sign-in
Email and password authentication, with Google sign-in support.
Workspace permissions
Manage access by workspace and project membership.
Two-factor authentication
TOTP-based two-factor authentication is available.
Project sharing
Invite members and assign roles for collaboration.
AI usage controls
AI access and usage quotas depend on the subscription plan.
Contact the operator
Ask the founder about data handling before sharing sensitive information.
Frequently asked questions
Common questions about adopting DXSpec.
AI uses the input and related project context to suggest specification content. Review and edit the result before using it.
OpenAI and Gemini integrations are implemented. Claude integration is planned and is not currently available.
Yes. The Free plan supports specification editing and collaboration. AI features require a paid plan.
Email the founder at [email protected] for product questions and feedback.
Paid plans use Stripe billing. Review the price, billing period, and payment methods displayed at checkout.
Take your spec management to the next level.
Create and review specifications with AI assistance and your team.