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A database schema is the blueprints of your database, it represents the description of a database structure, data types, and the constraints on the database. And designing database schemas is one of the very first and important steps to start developing any software/website.
To help you determine the right tool for you to design database schema diagrams, we've curated a list of 5 of the best free online tools to do it.
Top 5 Free Database Diagram (ERD) Design Tools
SmartDraw has templates for class diagrams, use case diagrams, sequence diagrams, state diagrams, activity diagrams, and more. Add boxes and components with a few clicks, add your information, and our UML diagram software does the rest, aligning everything and applying professional design themes for great results every time. You must enable JavaScript to use this web application. There are 14 types of UML diagrams to standardize software solutions, modify software design, and visualize software systems. Use Edraw Max powerful online UML diagram tool with professionally drawn templates your UML structure, behavior, interaction diagrams instantly.
dbdiagram.io
Feb 26, 2020 Bonus: ER diagram tool draw.io. Draw.io is one of the best free online software for creating various diagrams including ER diagrams. It is the simplest online diagram tool. Just visit draw.io, select the platform for saving the diagram and you can start drawing. Visit draw.io. Above I have listed the 5 best free online ER diagram.
Pricing: Free with unlimited objects and diagrams
- dbdiagram.io is a quick and simple database designer to help you draw your database diagrams using their own Domain-specific language (DSL).
- They have a simple language to define, you can easily edit/copy without leaving keyboard
- They focus exclusively on drawing database relationship diagrams
- Allow you to save and share your diagrams online.
- Designed for developers, DBA, data analysts
- Their UI looks simple and neat, with pretty diagrams.
Draw.io
Pricing: Free for web-based usage, paid for Atlassian (Confluence/JIRA) apps.
![Free Free](/uploads/1/2/6/4/126461345/882630595.png)
- Draw.io is a free online diagram software for making flowcharts, process diagrams, etc.
- Allows different types of charts like flowcharts, org charts, UML, ER and network diagrams.
- Allows saving your diagrams to cloud storage services like GDrive, Dropbox and OneDrive, or to your own computer
- Visual interfaces not as nice as lucidchart.
Lucidchart
Pricing: Free with limited objects, $4.95-$20/month
- Lucidchart is cloud-based and collaborative diagram software. Lucidchart helps your team create not only database diagram but also flowcharts, process maps, UML models, org charts,.. on any device across the platform you already use.
- Free plan comes with a limit of 3 diagrams and 60 objects per diagram
- Good experience and collaborative
- Integrated with G Suite, Microsoft Office...
- Good if you are more of a designer and want drag-and-drop interface
SQLDBM
Pricing: Free (Beta) with unlimited diagrams and objects
- SqlDBM offers you an easy, convenient way to design your database absolutely anywhere on any browser, working away without need for any extra database engine or database modelling tools or apps.
- They incorporates any needed database rules and objects such as database keys, schemas, indexes, column constraints and relationships
- Only support MySQL and MS SQL
- Support Forward Engineering and Reverse Engineering
- 100% drag and drop UI
- Support version history
QuickDBD
Pricing: free for 1 public diagram and 10 tables, plans at $14/month for unlimited tables and private diagrams.
- QuickDBD helps you quickly draw a diagram using just text input.
- It quickly captures ideas, and you can draw schema diagrams using only the keyboard.
- Support exporting to SQL, PDF and Word
Over 5 Million people and 1000’s of teams already use Creately
Quickly visualize any UML diagram type with minimal effort
Smart shapes and connectors, plus create, context toolbar and many other advanced features to help you draw UML diagrams effortlessly.
- Intuitive drag and drop interface with precision drawing and control
- Access to expertly-made shape libraries for all UML diagram types
- 100s of professionally-designed UML diagram templates and examples
Collaborate seamlessly on UML diagrams with teams
Collaborate in real-time and get instant feedback from your team and clients. Track changes others make even if you are not in the same room.
- Share feedback with pinpointed comments and discussion threads
- Control edit or review rights for team members and external stakeholders
- Work with teams across the globe with seamless real-time collaboration