Turn PRD text into editable flowcharts
Diagram Now converts business descriptions into downloadable draw.io files and Mermaid code.
Skip manual node dragging while keeping every diagram editable after review.
9.9 CNY per generation, or 99 CNY/month unlimited
Built for PMs who draw 3-5 process diagrams every week
Diagram Now outputs formats professional tools can edit
What is Diagram Now
Diagram Now is a focused AI tool that turns PRDs, rules, and review notes into editable draw.io flowchart drafts.
Paste Process Text
Add a PRD, workflow, approval rule, or exception path under 2000 characters.
Download draw.io
Get an mxfile XML diagram you can keep editing in draw.io.
Copy Mermaid
Receive Mermaid flowchart code for Markdown and review documents.
No Raw Text Storage
Your original input is used only for the current generation request.
Why Choose Diagram Now
It solves one concrete job: reducing the repetitive work of drawing business flowcharts from scratch.
Create an editable flowchart draft in four steps
Move from business text to deliverable diagram files with less manual drawing:
Sign in and check credits
Use Google or email/password login. Credits are tied to your account for billing history.
Paste the description
Add a PRD, business rule, approval process, state transition, or exception path.
Edit Mermaid
After generation, edit the Mermaid code directly and watch the preview update live.
Download deliverables
Download .drawio for continued editing, save SVG, or copy Mermaid into docs.
Diagram Now Feature Highlights
Designed around the PM workflow: input, generate, refine, and deliver.
Business text structured automatically
Turn PRDs, workflow notes, state transitions, and exception paths into clear flowchart nodes.
Editable Mermaid preview
Edit the code on the left while the rendered chart updates live on the right.
draw.io file export
Download a .drawio file and keep editing layout, labels, and connectors in draw.io.
Credits and generation records
Each generation is tied to the signed-in account and can be used for billing checks.
No raw input storage
The database stores an input hash and billing record, not the original business text.
30-second generation window
The API is designed around a 30-second response window with timeout refund markers.
Built for people who draw flowcharts often
Turn repetitive dragging, aligning, and connecting into an editable first draft.
2000 characters per request
characters per request
30s target generation window
target generation window
2 delivery formats
delivery formats
Where Diagram Now helps
It is intentionally focused: get an editable flowchart draft faster.
Turn refund, approval, checkout, and notification flows into diagrams your team can discuss and edit.
Product reviews, PRD to flowchart
Product reviews
PRD to flowchart
Copy Mermaid directly into Markdown, solution docs, and engineering review notes.
Engineering handoff, Flow documentation
Engineering handoff
Flow documentation
Use it to map state checks, exception paths, manual review, and automation branches.
Business analysis, Complex rule mapping
Business analysis
Complex rule mapping
The .drawio download is a maintainable diagram file, not a one-off screenshot.
Team assets, Editable files
Team assets
Editable files
Edit Mermaid after generation and the preview refreshes immediately for lightweight revisions.
Fast revisions, Code as editor
Fast revisions
Code as editor
Each generation links to account credits, so usage can be reviewed later in billing history.
Billing checks, Account credits
Billing checks
Account credits
Frequently Asked Questions About Diagram Now
A clear V1 boundary, so you know exactly what this tool is for.
Turn your next PRD section into a flowchart
Start with text. Leave with Mermaid code and an editable draw.io file.