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Editorial pick✓ Verified working
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Eraser AI

Code-aware diagrams and architecture docs for engineering teams.

Try Eraser AI✓ Free trial available

Best for

Best for engineering teams who want architecture diagrams that live next to their code and survive PRs.

At a glance

Pricing
freemiumfrom $12/mo
Setup time
15 minutes for first diagram
Learning curve
medium
Last verified
5/21/2026

What we love

  • ✓Diagrams default to engineer-clean aesthetic
  • ✓AI-from-code is a genuine time saver
  • ✓Markdown-first feels like Notion for engineers

Where it falls short

  • −No offline mode
  • −Limited shapes outside the engineering domain
  • −Free tier capped on AI credits

Pricing

✓ Pricing verified Jun 21, 2026

4 tiers

Free

$0

per month

  • ✓3 files
  • ✓Basic AI
  • ✓Public share links

Pro

$12

per user / month

  • ✓Unlimited files
  • ✓Full AI
  • ✓Private sharing

Team

$15

per user / month

  • ✓Team folders
  • ✓Admin controls
  • ✓Priority support

Enterprise

Custom

annual contract

  • ✓SSO
  • ✓Audit log
  • ✓Dedicated support

Why we picked it

Eraser is the right answer when your team hates Lucidchart but a Whimsical board feels too loose. Diagrams-as-code, but it does not feel like punishment.
— MoreAI.tools editor

Overview

Eraser is a diagrams-as-code tool aimed at engineers. It pairs a markdown editor with diagram syntax for cloud architectures, sequence flows, and entity-relationship diagrams. The AI layer drafts diagrams from a description or from existing code.

Key features

  • ●Diagrams-as-code syntax for cloud architecture
  • ●AI generation from prompts or pasted code
  • ●Sequence, ERD, and flowchart support
  • ●Side-by-side markdown notes
  • ●GitHub embed and live updating diagrams
  • ●Sharing with view-only links
  • ●Cloud icons for AWS, GCP, Azure

Best use cases

Architecture review doc

Pair narrative markdown with a cloud diagram in one file.

Sequence diagram

Prompt with API call list, edit the resulting diagram.

ERD from schema

Paste a Prisma schema and get an ERD.

Integrations

GitHub
Notion
Confluence
VS Code
Markdown export
Mermaid
PlantUML

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