Diagramly
Diagramly is an AI-powered diagramming assistant that generates PlantUML, Mermaid, and ZenUML diagrams from written text descriptions or uploaded whiteboard drawings. Users can refine diagrams with diagram-as-code, save version history, and share diagrams via link or keep them private.
Key facts
What is Diagramly?
Turns plain text or hand-drawn sketches into editable, code-based diagrams so technical ideas can be documented and shared faster.
Who is Diagramly best for?
Software architects, engineering consultants, business analysts, and software teams
Does Diagramly have a free plan?
According to official sources, no free plan is currently offered. Official pricing
What does Diagramly cost?
Verified starting price is USD 99 / year. View source
What are its main limitations?
- No free plan advertised — only a 7-day free trial
- Pricing page lists yearly billing only, with no monthly price shown
- Basic plan is capped at 200 private diagrams and 100 monthly diagramly credits
- Limited to PlantUML, Mermaid, and ZenUML output formats
Limitations are based on product materials or editorial synthesis; confirm on the official site.
When was this information verified?
October 14, 2026
Sources
- Official homepageofficial homepage · Oct 14, 2026
- Official pricingofficial pricing · Oct 14, 2026
Key features
- ✓AI text-to-diagram conversion that translates written descriptions into structured diagrams
- ✓Whiteboard drawing recognition that converts hand-drawn sketches into crisp, editable diagrams
- ✓Outputs PlantUML, Mermaid, and ZenUML diagram formats
- ✓Diagram-as-code customization for fine-tuning diagrams with a simple coding language
- ✓Save and version history, with each save keeping a version you can return to
- ✓Share diagrams with a link or keep them private to you or your team
- ✓Priority support on both paid plans
Use cases
- →Converting technical specifications and workflows into clear diagrams
- →Digitizing whiteboard brainstorming sessions into editable documentation
- →Creating and maintaining software architecture and system design diagrams
- →Business analysis communication of complex systems to stakeholders
- →Sharing diagrams with a team or client via link while keeping others private
Pricing
Basic (Yearly)
$99.00/yr (or $39.99/yr with code GROWWITHUS)
- · 200 private diagrams
- · 100 monthly diagramly credits
- · 1 year period history versions
- · Priority support
- · Billed yearly
- · 7-day free trial
Plus (Yearly)
$179.00/yr (or $71.99/yr with code GROWWITHUS)
- · Everything in Basic
- · 999 private diagrams
- · Unlimited monthly diagramly credits
- · 1 year period history versions
- · Priority support
- · Team collaboration
- · Billed yearly
- · 7-day free trial
No free plan; two yearly plans — Basic $99/yr and Plus $179/yr, each 60% off with code GROWWITHUS ($39.99/yr and $71.99/yr), both starting with a 7-day free trial.
Pros
- +Accepts both text and whiteboard image input
- +Supports three popular diagram-as-code languages (PlantUML, Mermaid, ZenUML)
- +Versioned saves so diagrams can evolve with the system they describe
- +Flexible sharing: public link or private to you/your team
- +Team collaboration included in the Plus plan
Cons
- −No free plan advertised — only a 7-day free trial
- −Pricing page lists yearly billing only, with no monthly price shown
- −Basic plan is capped at 200 private diagrams and 100 monthly diagramly credits
- −Limited to PlantUML, Mermaid, and ZenUML output formats
Positioning
- Core value: Turns plain text or hand-drawn sketches into editable, code-based diagrams so technical ideas can be documented and shared faster.
- Ideal for: Software architects, engineering consultants, business analysts, and software teams
Frequently asked questions
What is Diagramly?
Diagramly is an AI-powered assistant that generates PlantUML, Mermaid, and ZenUML diagrams from your text or image. It also recognizes whiteboard drawings and converts them into editable diagrams.
How much does Diagramly cost?
Diagramly lists two yearly plans: Basic at $99.00/yr and Plus at $179.00/yr. With the discount code GROWWITHUS, those prices are reduced 60% to $39.99/yr and $71.99/yr respectively.
Is there a free trial?
Yes. Both the Basic and Plus plans offer a 7-day free trial. No permanently free plan is listed on the pricing page.
Which diagram languages does Diagramly support?
Diagramly generates PlantUML, Mermaid, and ZenUML diagrams, and its diagram-as-code feature lets you edit them in code.
What is included in the Plus plan compared to Basic?
Plus includes everything in Basic plus 999 private diagrams (Basic has 200), unlimited monthly diagramly credits (Basic has 100), and team collaboration.
Can I share the diagrams I create?
Yes. You can share a diagram with a link when it is ready, or keep the rest private to you or your team; each save keeps a version you can return to.
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