A fast and simple IDE for SQL Server
Retool gives you a simple integrated development environment (IDE) to quickly build internal applications on top of your SQL Server data.

IDE for SQL Server
Retool’s simple IDE for SQL Server lets you write queries and mutations, graphically insert variables and arguments, and add headers too. Use the Firebase schema explorer to inspect types and arguments.

Connect to your SQL Server server in minutes
Connecting your SQL Server server to Retool is easy: just grab your base endpoint, add any desired headers and body values, and choose your auth pattern.

Use a fully featured GUI for SQL Server
With Retool, you can use 50+ pre-built UI components packed with functionality like tables, buttons, and text inputs. Skip the headache of searching for the right front-end templates and build your app in minutes.
From startups to Fortune 500s, the world's most effective teams use Retool to build custom business software. Our customers
“We would have had to hire 2-3 full-time engineers to build what I did in 30 minutes using Retool.
We would have had to hire 2-3 full-time engineers to build what I did in 30 minutes using Retool.
JJ Maxwell
Co-Founder and CRO at JetFuel
Retool provides the building blocks for any internal tool
Whether you're building a basic CRUD interface or refund management software, internal tools have the same building blocks: tables, text boxes, dropdowns, etc. Retool gives you a simple way to connect these building blocks with your own data sources so you can assemble any custom internal tool.
Supercharge your business today.
Start building an internal tool or customer portal in under 10 minutes.