What is Bolt.new?

AI Builder

Bolt.new is an AI app builder: Browser-based builder by StackBlitz that generates, runs and deploys web apps from prompts. Tech Stack Detector identifies Bolt.new on any website by analysing the hostname that serves the site, HTTP response headers and script URLs.

Bolt.new is an AI app builder (AI Builder). See websites using Bolt.new ↓

CategoryAI Builder
Official sitebolt.new
Detection signals3 signals
In our indexNot yet detected

How Tech Stack Detector detects Bolt.new

Bolt.new is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

  • PlatformPublished on a Bolt subdomain (bolt.host)
  • PlatformX-Powered-By: Bolt.new header sent by Bolt hosting
  • Platform"Made in Bolt" badge script injected by Bolt hosting

Platform evidence comes from Bolt.new's own hosting or runtime and gives a Confirmed result. Template evidence is left in the code Bolt.new generates and gives a Strong evidence result, because an owner can edit it out. See how accurate the AI builder check is

Websites using Bolt.new

No websites in our public index are known to use Bolt.new yet. Scan a site above that uses it to be the first. Your result becomes a shareable /site/… page.

Alternatives to Bolt.new

Other AI Builder technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

Compare Bolt.new

Side-by-side comparisons of Bolt.new with other AI Builder technologies.

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

Frequently asked questions

What is Bolt.new?

Bolt.new is an AI app builder: Browser-based builder by StackBlitz that generates, runs and deploys web apps from prompts. Tech Stack Detector identifies Bolt.new on any website by analysing the hostname that serves the site, HTTP response headers and script URLs. Its official website is https://bolt.new.

How can I tell if a website uses Bolt.new?

Enter any URL into Tech Stack Detector and it reports whether Bolt.new is present, with a confidence score and the exact evidence it matched. Detection is based on the hostname that serves the site, HTTP response headers and script URLs. No login or crawling of the site is required.

Can a website hide that it was built with Bolt.new?

Only partly. Badges and default tags can be removed, but the fingerprints that come from Bolt.new's own hosting cannot be removed while the website stays on Bolt.new. Once the code is exported and hosted elsewhere, nothing public connects the website to Bolt.new, and Tech Stack Detector reports no evidence instead of guessing.

What are some alternatives to Bolt.new?

Other AI Builder technologies Tech Stack Detector detects include Lovable, Base44, Emergent, v0, Replit and Manus. You can compare any of them side by side with Bolt.new.

Data last updated October 20, 2026 · based on 618 recently scanned websites.