Hreflang Tag Generator

The Hreflang Tag Generator creates the rel alternate hreflang link tags that international sites use to tell search engines which language and regional version of a page to show each visitor. You enter one line per version in the form of a language code followed by its URL, and the tool produces correctly formatted link tags ready to paste into the head of every corresponding page.

Hreflang annotations are notoriously fiddly to write by hand because the language and region codes must be valid, the URLs must be absolute, and each page in a set should reference all the alternates, including itself. Small mistakes silently break the whole cluster. This generator standardises the syntax so your codes and URLs are wrapped in valid markup every time, reducing the chance of a costly typo.

Everything runs locally in your browser, so your URLs never leave your device. An optional x-default tag can be added to point at a fallback version for users whose language or region does not match any listed alternate, which is the recommended way to handle a language selector page or a generic global landing page.

Features

• Turns simple language-code and URL pairs into valid rel alternate hreflang link tags.
• Accepts language codes with optional region, such as en, en-us or pt-br, on each line.
• Optionally appends an x-default tag pointing to a fallback URL you specify or the first entry.
• Escapes special characters in URLs so query strings and ampersands never break the markup.
• Flags lines that do not match the expected code-and-URL format so you can fix them.
• Reports the number of tags produced and how many lines were invalid.
• Runs locally with copy and text export, no accounts and no network requests.

How to use Hreflang Tag Generator

1. Enter one version per line as a language code, a space, then the absolute URL for that version.
2. Use codes like en for a language only, or en-gb to target a specific language and region.
3. Decide whether to add an x-default tag and, if so, provide the fallback URL to use.
4. Review the generated link tags to confirm each language points to the correct URL.
5. Check the stats to see how many tags were created and whether any lines were invalid.
6. Copy the complete set of tags into the head of every page in the language cluster.

Benefits

• International SEO teams wire up language targeting without hand-writing brittle markup.
• Developers avoid syntax mistakes that silently break an entire hreflang cluster.
• Global brands ensure visitors land on the correctly localised version of each page.
• Agencies produce consistent multilingual tags across many markets and templates.
• Site owners reduce duplicate-content risk between similar language or regional pages.
• Local processing keeps pre-launch localised URLs private on your own machine.

Hreflang values combine an ISO language code with an optional region code, for example en for English, en-us for United States English, or fr-ca for Canadian French. The region is optional and, when used, targets a country rather than a script. Choosing the right granularity matters, since over-specifying regions can fragment your annotations while under-specifying can send the wrong variant to some users.

A correct implementation is reciprocal and complete: every page in a language set must list all alternates, including a self-reference, using absolute URLs. If page A links to page B but B does not link back, search engines may ignore the annotation. This tool produces the tag list you then place on each page, so remember to include the current page's own language line in each set.

The x-default value is a special hreflang used for a page that does not target any single language, such as a global home page or a language picker. Adding it gives search engines a sensible fallback for unmatched users. All markup is generated in your browser and never uploaded, and you can validate the finished tags with an hreflang testing tool before deploying them.