URL List Deduplicator

Collapse equivalent URL lines after optional query sorting, fragment removal, tracking cleanup, www removal, and trailing-slash cleanup.

One absolute HTTP/HTTPS URL per line

Sort query

Remove fragment

Remove trailing slash

—Input lines

—Unique valid URLs

—Duplicates

—Invalid

ReadyOutput uses normalized URLs so the exact original spelling may change.

Before editing a URL

Inspect structure first, then normalize or edit only the part you mean to change. Browser-local tools avoid sending pasted links to a remote parser.

ParseSeparate scheme, authority, path, query and fragment.

Normalize deliberatelyChoose cleanup rules instead of assuming one universal canonical URL.

Edit / expandWork with query rows, relative references or URI templates structurally.

Compare / batchAudit repeated params or many URLs without fetching them.

Verify destination contextSyntax tools cannot prove a URL exists, redirects safely or is authorized.

Parse Normalize Build Edit query Diff query Batch parse Remove tracking Resolve relative URI template OAuth URL

URL tools are string-processing utilities. They do not crawl destinations, follow redirects, resolve DNS, check TLS, or verify OAuth provider registration.

Before editing a URL

Parse before editing, normalize only with explicit rules, preserve repeated query keys when they matter, and use batch tools when you need to audit many links consistently.

Syntax is not reachability

These browser-local tools do not resolve DNS, follow redirects, inspect remote HTTP status, verify TLS, or decide search-engine canonicalization.