A tag that tells search engines which language or region a page is for, so the right version is shown to the right audience. It only applies to sites with more than one language or region.

Yes, add one. It is the fallback for visitors whose language and region match none of your versions. This generator adds it for you if you leave the field blank.

Page tags or sitemap entries?

Either works; page tags are more common. Do not use both inconsistently. This tool outputs both so you can pick.

Must hreflang be reciprocal?

Yes. Every version must link to the others, including itself. A one-way hreflang is ignored. Use the hreflang check to confirm reciprocity.

Generate your hreflang tags

One line per version: the language or region code, then the URL. This produces the <link> block for your page head and the sitemap entries, and adds x-default for you.

How to use it

Paste the output into the <head> of every version (the block must be identical on each, including a self-reference), or into each <url> entry of your sitemap. Then run the hreflang check to confirm every version links back.

Questions

What is hreflang?: A tag that tells search engines which language or region a page is for, so the right version is shown to the right audience. It only applies to sites with more than one language or region.
Do I need x-default?: Yes, add one. It is the fallback for visitors whose language and region match none of your versions. This generator adds it for you if you leave the field blank.
Page tags or sitemap entries?: Either works; page tags are more common. Do not use both inconsistently. This tool outputs both so you can pick.
Must hreflang be reciprocal?: Yes. Every version must link to the others, including itself. A one-way hreflang is ignored. Use the hreflang check to confirm reciprocity.