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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. Outils run in your browser; the few that need an outside service say so on the page.
  • 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
Traité dans votre navigateur. Les outils qui ont besoin d’un service externe l’indiquent sur la page. Les visites sont comptabilisées (Google Analytics).
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. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.

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.