Tech Stack Checker

Name: Tech Stack Checker
Author: vallarasuk

Instantly detect the technology stack of any website. Built by Vallarasu. Free, fast, and accurate tech analyzer.

As of June 2026, Tech Stack Checker has 7 users in the Developer Tools category.

vallarasuk Developer Tools

Chrome Web Store ↗.crx

Users−12.5%

Rating0%

—

— reviews

Reviews0%

—

Version

1.0.1

Manifest V3

History

5 snapshots

Tracking since Apr 18, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 18, 2026	8	—	—	1.0.1
Apr 28, 2026	10	—	—	1.0.1
May 7, 2026	9	—	—	1.0.1
May 23, 2026	8	—	—	1.0.1
Jun 3, 2026	9	—	—	1.0.1
Now	7	—	—	1.0.1

Permissions & access

Permissions: activeTab
Host access: None declared

Screenshots

About

Tech Stack Checker is a free, lightweight Chrome extension that helps you instantly identify the technologies used on any website. Whether you’re a developer, designer, marketer, or tech enthusiast, this tool provides quick insights into the frameworks, libraries, CMS, and other technologies behind any site.

Key Features:

✅ Detect web frameworks like React, Angular, Vue, and more
✅ Identify CMS platforms such as WordPress, Joomla, Drupal
✅ Reveal server technologies, analytics, and tracking tools
✅ Simple popup interface for quick access
✅ Completely free – no hidden charges or subscriptions
✅ Works on any website with one click

Why use Tech Stack Checker?

Quickly analyze competitors’ tech stacks
Discover technologies used for inspiration in your projects
Improve your understanding of web technologies

Completely Free & Privacy-Friendly
Tech Stack Checker is 100% free to use. No accounts, no tracking—just instant tech insights.