Technical SEOAvailable

URL Migration Map Validator

Validate a local old-to-new URL map for duplicates, conflicts, self redirects, chains, cycles and host or scheme migration risks.

Runs in your browserNo permanent storage by default

Workspace for URL Migration Map Validator

Complete only the required fields. The method and limits are explained below the workspace.

Local redirect-map validation

Choose one source: a local file or pasted CSV, TSV or two-column text. No URL is requested.

CSV, TSV or text, up to 2 MiB and 20,000 lines.

Complete exactly one source. Each row must contain a source and target URL.

The check starts only after you press the button.

What the tool checks

Paste or open a CSV, TSV or whitespace mapping and turn multi-hop plans into reviewable direct destinations before deployment.