---
title: Hreflang Tag Generator
description: Free hreflang tag generator: checks codes against ISO 639-1 and ISO 3166-1, catches en-uk and duplicates, then writes HTML tags, a sitemap or HTTP headers.
url: https://moxseo.com/tools/hreflang-tag-generator
date_modified: 2026-11-09
author: Aditya Bhimrajka
language: en_US
---

Free hreflang tag generator: checks codes against ISO 639-1 and ISO 3166-1, catches en-uk and duplicates, then writes HTML tags, a sitemap or HTTP headers.