Free hreflang generator and alternate link builder. Turn language|URL rows into HTML link tags and HTTP Link headers, or validate pasted hreflang markup entirely in your browser.
No. Hreflang Generator runs in your browser. Nothing is uploaded to our servers for the core path. Keep using a private device when handling unpublished drafts.
Yes. Free to use without creating an account. Ads may appear outside the tool workspace according to site monetization rules.
Modern Chromium-based browsers and current Firefox/Safari builds work for most tools.
Clear the page when finished, avoid shared kiosks for secrets, and never paste production credentials into screenshots you share publicly.
After the page loads, most pure client tools continue to work without network calls.
It builds the HTML link rel="alternate" hreflang tags (and optional HTTP Link headers) that tell search engines which URL serves which language or region version of a page.
x-default points crawlers to a fallback URL when none of the listed language codes match the user. It is optional but recommended for international sites.
Use BCP 47 style codes such as en, zh-Hans, pt-BR, or en-GB. Keep codes consistent across every reciprocal page in the set.
Yes. If page A lists page B as an alternate, page B should list page A back. One-way annotations are a common crawl issue.
Open the result in a second app or tab, compare against a small known-good sample, and only then send it to clients or commit it to git. Copy outputs into your CMS or config carefully. Double-check production vs staging values and never paste live secrets into shared chats. If something looks wrong, adjust one setting at a time and rerun rather than stacking multiple weak exports.
Browser memory and CPU bound large jobs. Close unused tabs, try a smaller fixture first, then scale up. Desktop browsers are usually more reliable than phones for heavy media or WASM paths. After finishing, clear Downloads and the tool workspace when files contain personal or customer data.
Skip it as the sole system of record when you need multi-user collaboration, enterprise audit trails, or legally certified processing. Use your approved platform for those cases, and treat this page as a fast local assistant. Keep authoritative masters outside the browser session.