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ERD-Free icon

ERD-Free

ERD-Free is a free online ER diagram design tool. You can design database schemas visually and export them as SQL.

Users107Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth+3Net users gained this week
7-day growth rate+2.88%Relative weekly velocity
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30-day user trend

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User Growth Over Time

1021041061081102026年6月9日2026年6月12日2026年6月15日Latest: 107
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1-day growthDeclining
-2-1.83%
7-day growthGrowing
+3+2.88%
30-day growthGrowing
+13+13.8%
Technical snapshot

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Version2.0.1
ManifestV3
Size3.77MiB
Languages16Deutsch / English / Indonesia +13
Published
Store updated
Last crawled
DeutschEnglishIndonesiaTiếng ViệtTürkçeespañolfrançaisitalianoрусскийالعربيةहिन्दीไทย
Overview

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ERD-Free: A Database Design & ER Diagram Tool

This is an ER Diagram program designed to assist with database design. It does not require a separate server login, allowing you to save your work directly to your PC as local files. Additionally, if you are a Supabase user, you can seamlessly integrate the tool with your Supabase database.

I believe that the most effective way to convey your intent when giving tasks to an AI is through a well-defined database structure. ERD-Free can generate outputs in SQL, MD (Markdown), and HTML formats, enabling you to provide the AI with the specific format it needs.

[Key Features]

Table Creation: Easily design and manage database tables.

Relationship Mapping: Supports 1:1, 1:N, and N:M relationship modeling.

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