WEB TECHNOLOGY STACK IDENTIFIER

See the stack behind every site.

StackPrism is a Manifest V3 browser extension that identifies frontend frameworks, CSS systems, build tools, runtimes, analytics, and security signals.

Install extension

View on GitHub

Manifest V3 Local-first detection

Works with

Chrome

Edge

Firefox

STACKPRISM / FEATURES

Clear signals for developers

Built for a fast, evidence-led workflow

Manifest V3

Modern & secure browser APIs

Lightweight, local-first, and no account required.

16+ Technology Types

One popup, the whole stack

Frameworks, runtimes, services, and headers in one view.

Smart Detection

Evidence-first results

Every signal can be traced back to its evidence and source.

Cross-browser

Chrome · Edge · Firefox

One focused experience across the major browsers.

docs/guide/

export interfaceTechnology { '{' } name: string confidence: number{ '}' }

Start here

From page clues to verifiable technology decisions.

Open the extension to inspect detections, evidence, and sources. The docs cover installation, configuration, detection rules, and contribution.

Read the docs