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Détecteur de liens cassés — Outil en ligne gratuit

Repère les URLs probablement cassées

Colle HTML ou liste d'URLs. Signale motifs suspects : localhost, placeholder, problèmes relatifs.

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Broken link pattern finder

How to use this tool

  1. 1

    Paste HTML

    Or list of URLs.

  2. 2

    See suspicious links

    Pattern-based flagging.

  3. 3

    Fix before deploy

    404s kill SEO + UX.

Frequently Asked Questions

Why pattern-based?
True 404 checking needs live HTTP requests (blocked by CORS in browsers). This flags patterns that are almost always broken: localhost, placeholder URLs, undefined paths.

À retenir

  • Broken Link Pattern Finder is a free, browser-based seo & web tool — detect likely-broken urls in your content.
  • Non 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 Broken Link Pattern Finder

  1. Open the tool: Launch Broken Link Pattern Finder on Outilolis — 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.

Broken Link Pattern Finder — Quick Facts

Prix
Gratuit — sans limites, sans filigrane, sans paywall
Confidentialité
100% dans le navigateur — aucune donnée n’est envoyée à un serveur
Plateforme
Tout navigateur moderne — desktop, tablette ou mobile
Catégorie
SEO & Web Outils on Outilolis
Hors ligne
Works offline after first visit (Progressive Web App)
CaractéristiqueDétails
OutilBroken Link Pattern Finder
CatégorieSEO & Web
Inscription requiseNon
Téléversement de fichierAucun — traité dans le navigateur
Compatible mobileEntièrement adaptatif
CoûtGratuit pour toujours

Why Use Broken Link Pattern Finder?

You should try Broken Link Pattern Finder for a quick, private way to detect likely-broken urls in your content. 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% Confidentialité. Cet outil fonctionne entièrement dans votre navigateur. Vos données ne sont jamais envoyées à un serveur.