How to Add a Link to Your Mastodon Bio (2026)

May 2, 2026·By UniLink Team

TL;DR:

Mastodon supports up to 4 profile metadata fields for links ??” visible as labelled rows on your profile.
Edit profile ?†’ Profile metadata ?†’ add up to 4 (Label + URL pairs).
Verified links: add rel="me" back-link from your website to your Mastodon profile to get a green checkmark next to the URL.

Step-by-Step

1 Open Mastodon ?†’ tap profile.

2 Tap Edit profile.

3 Scroll to Profile metadata section.

4 Add up to 4 entries: Label (e.g., "Website") + URL.

5 Save.

Mastodon Verified Links

Mastodon offers a unique verification method: add a rel="me" link from your website back to your Mastodon profile.

If your bio Website is yoursite.com, add this on your site:

<a rel="me" href="https://mastodon.social/@yourusername">Mastodon</a>

Mastodon verifies the back-link ?†’ green checkmark appears next to the URL on your profile. Strong trust signal.

Choosing Labels

Common labels:

Website
Blog
Newsletter
Bio link / Links
GitHub
Other socials

Mastodon Bio Body

Bio description: 500 characters with auto-linked URLs. Use for context + 1-2 supporting URLs.

Federated Network Considerations

Mastodon is federated ??” your profile lives on a specific instance (e.g., mastodon.social, fosstodon.org). Your handle is @[email protected].

Federated identity = visible across all Mastodon instances.
Bio metadata syncs across federation.
Verified rel="me" links work across instances.

Recommended Setup

Slot 1: Bio link tool URL or main website (with rel="me" back-link for verification).
Slot 2: Newsletter / blog.
Slot 3: GitHub or portfolio.
Slot 4: Other social or contact.

FAQ

How many links can I add to Mastodon bio?

Up to 4 in Profile metadata. Plus URLs in bio body (auto-linked).

What's a verified Mastodon link?

A link with green checkmark ??” verified via rel="me" back-link from your website.

How do I verify a website on Mastodon?

Add <a rel="me" href="..."> link on your website pointing to your Mastodon profile. Mastodon detects and verifies.

Can I have different links per Mastodon instance?

You can only have one Mastodon account per instance. Bio metadata is per-account.

Is Mastodon bio link visible across federation?

Yes ??” visible to anyone on any Mastodon instance.

Key Takeaways

4 metadata slots (Label + URL pairs).
Bio body 500 chars with auto-linked URLs.
Verified links via rel="me" back-link.
Federated network ??” bio visible across all Mastodon instances.

Bio link for Mastodon

UniLink: paste unil.ink/yourname in metadata; verify via rel="me" for green checkmark.

Try UniLink free ?†’