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About

Arialine is an AI diagram generator and Mermaid diagram editor built for engineering and product teams working in Slack. Create flowcharts, architecture diagrams, sequence diagrams, UML, ERD, C4, swimlanes and other technical diagrams from plain language, Slack discussions, or Mermaid code. Paste valid Mermaid with /arialine and it renders without AI or usage limits. Diagrams stay editable in their Slack thread: reply to make changes, with every accepted edit saved as a version linked to the source message. Arialine includes history, undo, rewind, branching, decision context, PNG/SVG/PDF/.mmd exports, interactive HTML diagrams, Markdown-to-Slack-Canvas rendering, Mermaid 12 + ZenUML support, and an MCP server for Slack AI. It works on every Slack plan, including Free.

About

Diagram AI is a browser-based diagramming application that turns natural-language prompts into editable diagrams. Users can create flowcharts, sequence diagrams, cloud architecture maps, class diagrams and runbooks, then revise labels, hierarchy and layout in an interactive canvas or prompt the AI to restructure a draft. The editor accepts PDFs, images and text as context, supports automatic layout adjustments, and keeps version history that can be restored. Diagrams can be exported as XML, SVG or PNG for documentation and presentations. The free plan includes one use per day and excludes file uploads. Pro and Plus plans add monthly credits and contextual file uploads, with higher credit allowances on Plus. The service is intended for product, engineering and operations teams documenting workflows, systems and architecture.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software engineers, engineering teams, architects, DevOps/SRE teams, product teams, technical leads, and Slack-based organizations

Audience

Product, engineering, and operations teams, including people who create diagrams to explain workflows, processes, and technical systems.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version Supported
Free Trial Supported

Pricing

$9.90/month
The free plan costs $0/month and includes one use per day with no file uploads. Pro is $9.90/month, billed monthly, with 500 monthly credits. Plus is $19.90/month, billed monthly, with 1,500 monthly credits. Pro and Plus support image, PDF, and text uploads as context. Annual billing advertises 40% savings.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Arialine
Founded: 2026
Ukraine
arialine.app

Company Information

Diagram AI
aidiagram.net

Alternatives

Alternatives

diagram.now

diagram.now

Votazz

Categories

Diagram Supported

Categories

Diagram Supported

Integrations

Model Context Protocol (MCP) Supported
Slack Supported

Integrations

Model Context Protocol (MCP) Not Supported
Slack Not Supported
Claim Arialine and update features and information
Claim Arialine and update features and information
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Claim Diagram AI and update features and information