Formbase is an open-source form backend that receives submissions from any frontend, stores them, and notifies you. You own the UI and validation, while Formbase handles storage, file uploads, and email alerts. Every form gets a unique endpoint likeDocumentation Index
Fetch the complete documentation index at: https://docs.formbase.dev/llms.txt
Use this file to discover all available pages before exploring further.
https://formbase.dev/s/your-form-id (or https://your-domain.com/s/your-form-id when self-hosted). Browser posts land on a built-in success page, and server submissions return JSON.

Create your first form
Set up a form in the dashboard and get your endpoint.
Framework integrations
React, Vue, Next.js, Svelte, and more.
File uploads
Accept files alongside text fields.
Self-hosting
Run Formbase on your own infrastructure.
Quick start: Plain HTML
This is the simplest way to use Formbase. Post a standard HTML form and let Formbase handle the redirect.Paste the endpoint into your form
Use the endpoint as the form The
action. This works in any static site or template.index.html
name attributes become the keys in your submission data.Why Formbase
Open Source
MIT licensed. Self-host or use the managed service.
Great DX
Works with any framework. No vendor lock-in.
Own Your Data
Export submissions anytime. No data hostage situations.