Developer
Free & Private
Verified Specification

Prisma to ERD Generator

Generate interactive visual Entity Relationship Diagrams (ERD) from Prisma schemas with SVG & Mermaid export.

Presets:
6 Models3 Relations

Supports Prisma model, enum, scalar types, and @relation definitions.

100%
Tool
9 cols
PKid
String
UQslug
String
name
String
shortDesc
String
categorySlug
String
FKcategory
Category
isPro
Boolean
status
String
usageCount
Int
createdAt
DateTime
Category
5 cols
PKid
String
UQslug
String
name
String
description
String
FKtools
Tool[]
createdAt
DateTime
Collection
5 cols
PKid
String
UQslug
String
name
String
description
String
createdAt
DateTime
User
6 cols
PKid
String
UQemail
String
passwordHash?
String
name?
String
role
String
FKsubscriptions
Subscription[]
createdAt
DateTime
Plan
4 cols
PKid
String
UQslug
String
name
String
priceMonthly
Float
FKsubscriptions
Subscription[]
Subscription
5 cols
PKid
String
userId
String
FKuser
User
planId
String
FKplan
Plan
status
String
createdAt
DateTime

Understanding Prisma to ERD Generator

Understanding and communicating relational database architectures is critical for software teams. The Trools Prisma to ERD Generator parses your schema.prisma file in real time, identifying models, enums, scalar fields, unique constraints, and foreign key relations. It renders an interactive, draggable entity-relationship canvas complete with bezier connectors, cardinality indicators, and instant exports to SVG, Mermaid, and DBML.

Modern web workflows demand tools that operate without arbitrary paywalls, intrusive tracking scripts, or data latency. With Trools, all underlying computational algorithms, formatting routines, and state manipulations run directly inside your client-side JavaScript V8 engine. Because no payload is transmitted across external networks, Prisma to ERD Generator offers zero-latency client-side execution that guarantees proprietary keys, database schemas, and bearer tokens never traverse public network pipes.

Whether you are performing quick operational checks during production deployments, validating client deliverables, or automating repetitive daily calculations, Prisma to ERD Generator streamlines your workflow with real-time reactive feedback, cross-platform responsiveness, and one-click copy and download functionality.

Privacy Guarantee: The Trools architecture strictly guarantees that all operations performed within Prisma to ERD Generator execute in local browser memory. Zero analytics tracking, zero session cookies, and zero server uploads. Your data remains strictly yours.

How to use the Prisma to ERD Generator

1

Paste your schema.prisma or choose a starter template (Trools Schema, E-Commerce, SaaS).

2

Inspect the live interactive ERD canvas with draggable tables and bezier relationship lines.

3

Hover over any table or relation line to highlight connections between foreign keys and primary keys.

4

Use zoom controls (+ / -) or click 'Arrange' to organize tables into a clean layout.

5

Export the diagram as vector SVG or switch tabs to copy Mermaid.js ERD or DBML code.

Practical Applications & Scenarios

Daily Professional Workflows

Debugging microservice payload serialization and deserialization errors in real-time.

Quality Assurance & Validation

Verifying cryptographic signatures, token expiries, and access permissions across development and staging environments.

Cross-Device Operational Readiness

Validating database schema migrations and relational constraints prior to production rollouts.

Confidential & Air-Gapped Environments

Ensuring 100% compliance in corporate, regulated, and privacy-sensitive industries where proprietary data cannot touch third-party cloud servers.

Why this tool is important

Instantly visualize complex multi-table relationships without setting up heavy local CLI tooling.
Export clear architecture diagrams directly into technical design specs and team documentation.
Generate Mermaid ER diagram code ready to paste into GitHub READMEs and Notion docs.
100% Client-side: Your proprietary database schema never leaves your browser.

Best Practices & Tips

  • Always double-check input formatting to ensure values strictly adhere to expected units (e.g. metric vs imperial, ISO timestamps, or valid syntax).
  • Utilize the 1-click Copy button to transfer clean output directly into your codebase, spreadsheets, or technical documentation.
  • Bookmark this page on your desktop browser bar or add it to your mobile home-screen for instant offline-capable access.
  • For batch workflows or team collaboration, export the generated outputs or files directly rather than capturing manual screenshots.

Frequently Asked Questions

Is my Prisma schema sent to your servers?

No. All parsing and diagram rendering takes place 100% locally inside your web browser.

Can I export this diagram for GitHub README files?

Yes. You can export as vector SVG or copy the generated Mermaid.js ERD code, which renders natively on GitHub and Notion.

Does it support custom enums and composite keys?

Yes. Models, enums, and composite attributes are detected and labeled accordingly.

Is Prisma to ERD Generator free to use?

Yes, Prisma to ERD Generator is completely free to use with zero mandatory registration, limits, or intrusive advertisements.

Does this tool work offline?

Yes! Once the page assets load in your browser cache, the entire calculation and generation engine runs client-side, allowing you to use it even with intermittent or absent internet connectivity.

How does Trools ensure calculation accuracy?

All calculations and formatting routines are audited against established industry specifications (RFC 8259 JSON, ISO/IEC Unicode UTF-8, ANSI SQL, and ECMAScript specifications) and verified with automated test suites.