Build internal tools faster
with Retool
We build powerful internal tools and admin panels with Retool, connecting to any database or API, with custom logic and fine-grained access control. The fastest way to give your team the tools they actually need.
The best tool for
internal tool builder
Retool is the leading low-code platform for building internal tools. It connects directly to your databases and APIs, lets you compose UI from pre-built components, and enforces access controls, all without building a UI from scratch.
What we build with Retool
From MVPs to enterprise platforms, here's how we use Retool to ship faster.
Admin Panels
Full-featured admin dashboards with data tables, filters, forms, and actions, connected to your live database.
Operations Tools
Customer lookup tools, refund flows, order management, and support dashboards for ops and CS teams.
Data Pipelines
Trigger, monitor, and manage data jobs and workflows from a clean internal UI, no command line needed.
Approval Workflows
Multi-step approval flows with notifications, audit logs, and role-based access control.
Certified Retool experts
We don't just use Retool, we master it. Our team is certified and has shipped dozens of projects with it.
Apps delivered
We've shipped over 50 production apps using Retool and the broader no-code stack, from seed-stage MVPs to enterprise platforms.
Faster delivery
Retool lets us build in weeks what traditional dev teams take months to deliver, giving you a decisive speed advantage.
Fixed pricing
Every project comes with a clear scope, fixed price, and weekly demos. No surprises, no scope creep, just results.
Tools we combine with Retool
We integrate Retool with the best tools in the no-code ecosystem for end-to-end solutions.
The Complete Guide to Retool Development
Retool is the industry-standard low-code platform for building internal tools that connect directly to your databases, APIs, and services.
Retool for Internal Tools: The Core Concept
Retool was built to solve a specific and expensive problem: engineering teams spend enormous time building internal tools, admin panels, support dashboards, ops workflows, that users inside the company need but that generate no direct revenue. Retool collapses that time by providing a drag-and-drop UI builder that connects natively to your actual data sources. The result looks custom-built but takes days instead of weeks. The core philosophy is that internal tools do not need to be beautiful, they need to be fast, accurate, and reliable. Retool's component library prioritizes dense, functional layouts: data tables with inline editing, forms with validation, charts for quick data exploration. You are not designing a marketing website. You are building a tool that an ops manager will use for eight hours a day, and Retool's defaults are calibrated for that use case. Where Retool really earns its position is the query layer. Every component in a Retool app can be connected to a query, a SQL statement, an API call, a JavaScript function, and those queries run against your real backend. There is no ETL pipeline, no intermediate API to build. You write a SQL query, bind it to a table component, and the data appears. That directness is why Retool is the dominant choice for internal tooling at engineering-led companies.
Connecting Data Sources: REST, GraphQL, PostgreSQL, Supabase
Retool's resource system is its backbone. You configure a resource once, providing connection credentials, and then reference it in any query across any app in your organization. PostgreSQL, MySQL, and MongoDB connections give you direct database access. REST and GraphQL resources let you wrap any API. Supabase, Firebase, and other modern backends have dedicated connectors that handle authentication automatically. For REST APIs, Retool supports base URL configuration, shared authentication headers, and per-request parameter templating. This means you configure your API key once at the resource level and never expose it in individual queries. GraphQL resources work similarly, you write your query or mutation in the query editor, pass variables from component state, and Retool handles the request lifecycle. Supabase is particularly well-suited to Retool. You can use Supabase's REST API resource or connect directly to the underlying PostgreSQL database. The direct PostgreSQL connection is more powerful, you get full SQL expressiveness, can write complex joins, and benefit from Retool's SQL autocomplete. For teams building a product on Supabase, adding Retool as the internal admin layer creates a clean separation: Supabase is the backend for the customer-facing app, Retool is the backend for your team's operations.
Retool Components and Layout System
Retool's layout system uses a free-form grid where components snap to a column-based guide. You drag components from the panel, place them anywhere on the canvas, and resize them freely. There is no rigid row-column constraint like some other tools impose. This gives you meaningful flexibility while still producing consistent, aligned layouts. The component library covers the full range of internal tool needs. Table components support server-side pagination, column filtering, inline editing, and row selection that feeds into subsequent queries. Form components include every input type plus validation rules. Chart components handle bar, line, scatter, and pie visualizations with direct data binding. Modal and drawer components let you build multi-step workflows without navigating away from a page. Container components are the key to building complex layouts. You nest components inside containers, control their spacing and background, and reuse container patterns across pages. Combined with Retool's module system, which lets you define reusable component groups with their own state and logic, you can build an app with consistent UX without copying and pasting components manually. Large Retool apps benefit enormously from modules. Define a customer lookup module once, use it in five different tools.
Custom JavaScript in Retool for Business Logic
Retool's real power users live in the JavaScript layer. Every query can be a JS query, code that runs in the browser, accesses component state, calls other queries, and returns transformed data. This is where Retool transcends drag-and-drop and becomes a serious development environment. Complex business logic that would require a custom API endpoint in other tools can be implemented directly in a Retool JS query. Transformers let you post-process query results with JavaScript. A SQL query returns raw rows; a transformer shapes that data into exactly the structure your table component expects. You can flatten nested objects from an API response, calculate derived fields, filter rows based on component state, and format values, all in a transformer attached to the query. This keeps your SQL clean and your data manipulation explicit. Event handlers connect component interactions to logic. A button click fires a query sequence: validate the form, run an update query, show a success notification, refresh a table. You chain these steps in Retool's event handler UI or write them directly in JavaScript. For complex multi-step workflows, a JS query that orchestrates other queries using async/await is often cleaner than a chain of event handlers. Retool's JavaScript environment has access to lodash, moment, and other common utilities, and you can import additional libraries via CDN.
Retool Workflows and Scheduled Tasks
Retool Workflows extend the platform beyond the browser. A Workflow is a server-side automation, triggered by a webhook, a schedule, or another Retool app, that runs a sequence of blocks against your data sources. It is Retool's answer to tools like Zapier and Make, but tightly integrated with your existing resources and with full JavaScript support for complex logic. Scheduled tasks are one of the most valuable use cases. You can run a nightly database cleanup, generate a daily summary report and send it by email, or sync data between two systems every hour, all configured inside Retool with the same resource connections your apps use. There is no need to stand up a separate cron infrastructure or maintain a scheduled Lambda. The scheduling, logging, and retry logic are all handled by the platform. Webhook-triggered workflows handle inbound events from external systems. A payment processor fires a webhook, Retool receives it, runs validation logic, updates your database, and sends a Slack notification, in seconds, with no server code to maintain. Retool Workflows are priced separately from the core platform, but for teams already using Retool for apps, consolidating automation logic in Workflows significantly reduces the complexity of your stack.
Retool Pricing for Teams and Self-Hosting
Retool's pricing model is user-based, with a meaningful distinction between end users (people who use the tools) and builders (people who create them). The free tier covers up to five users and is generous enough for small teams and evaluation. The Team plan adds unlimited users and more advanced features. The Business and Enterprise plans unlock SSO, audit logs, custom branding, and on-premise deployment. Self-hosting is a major differentiator. Retool can be deployed on your own infrastructure, AWS, GCP, Azure, or on-premise, via Docker. This is critical for companies with strict data residency requirements, where queries that touch production databases cannot leave the corporate network. Self-hosted Retool keeps all query execution within your infrastructure; only the Retool application itself is self-managed. Licensing for self-hosted is covered under the Business and Enterprise plans. For growing engineering teams, the calculus is usually straightforward: the time saved on the first two or three internal tools pays for a year of Retool. The harder question is organizational, who owns Retool? Engineering teams that treat it as a developer tool get the most out of it. Companies that try to hand it to non-technical users without support often struggle. Budget for a Retool owner, even a part-time one, and the platform delivers exceptional ROI.
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