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Core Web Vitals JSON Analyzer — Gratis online tool

Parse Lighthouse output voor CWV-scores

Plak Lighthouse JSON of CrUX data → krijg CWV-scores, beoordeling en aanbevelingen. Geen registratie vereist.

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Meer weten

CWV analyzer

How to use this tool

  1. 1

    Enter your CWV values

    LCP, CLS, INP from PageSpeed.

  2. 2

    See grades

    Per metric + overall.

Frequently Asked Questions

Thresholds?
LCP: Good ≤2.5s, Poor >4s. CLS: Good ≤0.1, Poor >0.25. INP: Good ≤200ms, Poor >500ms.

Belangrijkste punten

  • Core Web Vitals JSON Analyzer is a free, browser-based seo & web tool — parse lighthouse output for cwv scores.
  • Nee signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Core Web Vitals JSON Analyzer

  1. Open the tool: Launch Core Web Vitals JSON Analyzer on Toololis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Core Web Vitals JSON Analyzer — Quick Facts

Prijs
Gratis — geen limieten, geen watermerk, geen paywall
Privacy
100% in de browser — geen data verlaat je apparaat
Platform
Elke moderne browser — desktop, tablet of mobiel
Categorie
SEO & Web Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
FunctieDetails
ToolCore Web Vitals JSON Analyzer
CategorieSEO & Web
Aanmelden vereistNee
Bestand uploadenGeen — verwerkt in browser
Mobiel ondersteundVolledig responsive
KostenVoor altijd gratis

Why Use Core Web Vitals JSON Analyzer?

You should try Core Web Vitals JSON Analyzer for a quick, private way to parse lighthouse output for cwv scores. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacy. Deze tool draait volledig in je browser. Je gegevens worden nooit naar een server geüpload.