Detects frontend frameworks (React, Next.js, Vue, Nuxt, Svelte, Astro), UI libraries, analytics, CDNs, and server headers locally.
Replaces:
WappalyzerBuiltWithWhatRunsStandalone technology lookup extensions often require paid subscriptions or send every URL you visit to external servers. OmniDev runs a bundled Wappalyzer-grade signature engine locally inside your browser.
Detects frameworks, UI component libraries, state managers, analytics, and hosting providers
Combines DOM signatures, global JS variables, script bundles, and HTTP response headers
100% local signature matching — your browsing history is never uploaded to a third-party server
Confidence scoring and version extraction grouped cleanly by technology category
Shadow-DOM isolated • Zero host-page CSS leakage
STEP 01
Install OmniDev from the Chrome Web Store and open the popup or press your custom shortcut.
STEP 02
Select "Tech Stack Analyzer" under the Analytics category (or search "Tech Stack Analyzer" in the launcher).
STEP 03
Inspect, capture, or export results directly on the live page — 100% locally in your browser.
Detailed side-by-side comparisons against standalone Chrome extensions:
Yes. Tech Stack Analyzer and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
No. Tech Stack Analyzer runs locally inside your browser tab. OmniDev is architected local-first and never uploads your DOM, storage, or network payloads to a Jambo backend.
Tech Stack Analyzer replaces single-purpose extensions such as Wappalyzer, BuiltWith, WhatRuns, saving browser RAM and reducing extension permission sprawl.
Every tool below is included in the same single Chrome extension install.
Explore All 54 Tools
Measures real-time Core Web Vitals (LCP, CLS, INP, FCP, TTFB), resource weight breakdown, and DOM complexity.
Audits on-page SEO health: title/description length, canonical tags, robots directives, heading hierarchy (H1–H6), and missing alt attributes.
Unified browser storage explorer to inspect, search, edit, and clear localStorage, sessionStorage, and cookies.
Runs an instant WCAG accessibility audit checking color contrast ratios, ARIA roles, form labels, landmarks, and missing alt text.
Audits the live DOM against your design system tokens to catch off-palette colors, rogue font sizes, and non-standard spacing values.
Scans all internal and external anchor links on the current page to highlight broken 404 URLs, redirects, and insecure links.
Stop cluttering Chrome with dozens of single-purpose extensions. Install OmniDev free and run everything locally.
Install OmniDev for Free