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FREE TOOL · BROKEN LINK CHECKER

Broken Link Checker Extension - Chrome Web Store

Scan every link on a page, find 404s and redirect chains, and see each one highlighted right on the page.

Link Checker
example.com
FINISHED
Total: 210Queued: 0100%
Completed in 16 sec.
Valid links202
Valid redirect links8
Warnings0
Invalid links0
Broken links0
LINK GROUPS
196
Internal
14
External
0
Broken
Download Report
WHAT IT CHECKS

Find every dead link before Google does

Broken links (404)

Every link that returns an error, ready to fix or redirect.

Redirects

301 and 302 redirects and chains that waste crawl budget.

Valid links

Confirms which links resolve cleanly with a 200 status.

Internal vs external

Groups links so you can review internal linking at a glance.

On-page highlighting

Shows each problem link right where it sits on the page.

Downloadable report

Export the full link list to share with a developer.

How to find broken links in 3 steps

01

Open the page

Any page you want to check for dead links.

02

Run Link Checker

Ads Sniper tests every link and shows progress live.

03

Fix what's flagged

Jump to highlighted links and export the list.

Link checker FAQ

They waste crawl budget, leak link value and frustrate visitors who hit a dead end.

Yes — internal and external links are checked and grouped separately.

Yes, it’s included free in the Ads Sniper extension.

ABOUT BROKEN LINKS

Why broken links hurt SEO and how to find them fast

Broken links send visitors to dead ends and send search engines nowhere. Over time, pages move, sites change and external resources disappear, so even a well-built site collects 404 errors and redirect chains that need regular checks.

The SEO cost of 404 errors

Every broken internal link wastes crawl budget and stops link value from flowing to the pages that need it. Broken external links make content look outdated to readers and reviewers.

Redirect chains slow everything down

A link that passes through several 301 or 302 redirects adds load time and dilutes the signal it passes on. Updating links to point straight to the final URL is a quick technical SEO win.

Internal vs external links

Ads Sniper groups internal and external links separately, so you can review your internal linking structure and the outside sources you cite in one pass.

Fix links where they sit

Problem links are highlighted directly on the page, so you can see the context and fix them without hunting through source code. Export the full list to share with a developer.

Run the free broken link checker before you publish, after a site migration and as part of every content refresh.

Check your links before your visitors do.

Free SEO, link, ad and SERP research in one Chrome extension.