Free tool

404 & 5xx Checker

Broken links waste crawl budget and hurt users. This free tool batch-checks your URL list and flags anything returning a 404, other 4xx, or 5xx server error.

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Free to run in the app. No tokens charged. Already have an account? Log in.

How it works

01

Submit URLs

Paste up to 10 URLs, one per line.

02

Status check

Each URL is requested and its response status code recorded.

03

Get the report

Per-URL status code, with 4xx and 5xx results flagged for follow-up.

Questions about 404 & 5xx Checker

Does it distinguish 404 from a 5xx server error?

Yes — the exact status code is reported per URL, not just a broken/ok flag.

Read the measurement guide and limits →

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