Yes, completely free with no signup or usage limit.

What does hreflang do?

It tells search engines which language and regional version of a page to show to which users.

What is x-default for?

It specifies a fallback page for visitors whose language or region doesn't match any of the listed alternates.

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Hreflang Generator

Generate hreflang link tags for a page available in multiple languages or regions.

x-default URL (optional)

Hreflang tags

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<link rel="alternate" hreflang="en" href="https://example.com/" />
<link rel="alternate" hreflang="es" href="https://example.com/es/" />
<link rel="alternate" hreflang="x-default" href="https://example.com/" />

Frequently asked questions

: Yes, completely free with no signup or usage limit.
: It tells search engines which language and regional version of a page to show to which users.
: It specifies a fallback page for visitors whose language or region doesn't match any of the listed alternates.