FREE · DEVELOPER TOOLS
Hreflang Tag Generator.
Generate alternate language link tags from JSON language/URL rows.
How to use Hreflang Tag Generator
Enter your values, generate locally and review before installation or publication.
How it works
Generate alternate language link tags from JSON language/URL rows. BCP 47 syntax and duplicate tags checked; support and reciprocal placement require review. No accounts, servers or websites are modified.
Example
Use the editable example and inspect the output.
Questions about Hreflang Tag Generator
Is Hreflang Tag Generator free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Maximum 200,000 input characters. BCP 47 syntax and duplicate tags checked; support and reciprocal placement require review. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.