StackBlitz Funding History

StackBlitz develops browser-based coding environments. It also builds Bolt, an AI tool for creating web applications.

Company Overview

  • Application Building
Official Website

StackBlitz Funding Timeline

  1. Jan 2025

    Series B

    US$105.5 million

    At the Series B, StackBlitz’s Bolt.new let users build web apps with a working front end and back end from text prompts.

    Led by Emergence Capital.

    Source · businessinsider.com ↗
  2. Announced Apr 6, 2022

    Seed

    US$7.9 million

    StackBlitz said the seed would support browser-based development after its platform reached more than two million monthly developers.

    Led by Greylock.

    Source · techcrunch.com ↗

StackBlitz Founding Team

Eric Simons and Albert Pai started StackBlitz around the idea that a development environment could run in the browser. They used WebAssembly and other browser capabilities to let developers collaborate without first configuring a local environment.

StackBlitz Products

  • Bolt

    Build, revise and deploy a web app from prompts in a browser.

StackBlitz Company Development

The Browser Runtime Powers Prompt-Built Apps

StackBlitz developed a way to run a development environment inside the browser. Bolt applies that work to generated applications: users can prompt for a project and run the result immediately in the same environment.

StackBlitz Competitive Landscape

A Browser Runtime Behind the Agent

Bolt and Replit both offer a browser entry point. Bolt's approach is grounded in StackBlitz's browser runtime, while Replit presents its Agent as one part of a hosted workspace that also handles editing and deployment.