- Tumblr blogs support up to 3 clickable links in the bio sidebar via Settings → Edit Appearance.
- The Description field also supports HTML — meaning you can add unlimited inline clickable text links.
- For multiple destinations behind one URL, use a link-in-bio service like UniLink.
How to Add Links to Tumblr Bio (Web)
- Open tumblr.com and log in.
- Click the account icon (top right) → choose your blog.
- Click Edit Appearance (gear icon).
- Scroll to Description — type your bio text and add HTML links.
- Or, find Customize → Theme → Add a custom link for sidebar links.
- Save.
How to Add HTML Links in Your Tumblr Description
The Description field accepts HTML. Examples:
<a href="https://unil.ink/yourname">My Links</a>
Or with line breaks:
Photography & Art
<a href="https://unil.ink/yourname">Portfolio</a>
<a href="https://shop.unil.ink/yourname">Print Shop</a>
HTML links display as clickable text in your sidebar.
How to Add a Theme-Specific Custom Link
Most Tumblr themes include 3 customizable sidebar links:
- Edit Appearance → Theme → Edit Theme.
- In the theme options, find Link 1, Link 2, Link 3 fields.
- Set:
- Title — what it displays as.
- URL — where it goes.
- Save.
These appear in the sidebar of your blog (location varies by theme).
How to Add Links via Tumblr Mobile App
- Open the Tumblr app.
- Tap your profile.
- Tap Edit (top right of profile).
- Edit the Description — add HTML links inline.
- Tap Save.
Mobile doesn't expose theme link options — use the web for sidebar customization.
Tumblr Profile Limits
| Field | Limit | Notes |
|---|---|---|
| Username | 30 chars | Becomes yourname.tumblr.com |
| Title (Blog title) | ~64 chars | Above your description |
| Description | ~1,000 chars | HTML supported |
| Theme custom links | 3 (with title + URL) | Theme-dependent |
| Avatar | 500x500 px | 1 MB max |
| Header (banner) | 3000x1055 px | 10 MB max |
How to Use a Custom Domain for Your Tumblr
- Edit Appearance → scroll to Custom Domain.
- Click Use a custom domain.
- Enter your domain (e.g.,
blog.yourname.com). - Add a CNAME record pointing to
domains.tumblr.comin your DNS provider. - Verify in Tumblr settings.
Custom domain replaces the default yourname.tumblr.com URL.
Best Tumblr Bio Setup for Creators
- Avatar — branded, clear at small sizes.
- Header image — work sample or branded artwork.
- Title — your name + niche.
- Description — short bio with HTML links.
- 3 sidebar links — Portfolio, Shop, Link-in-Bio.
- Pinned post — most important content (introduce yourself).
Why Tumblr Still Matters in 2026
Tumblr's user base is smaller than peak (2014) but remains strong in:
- Art / illustration — visual artists' second home.
- Niche fandoms — anime, gaming, books.
- LGBTQ+ communities — historically welcoming.
- Long-form blogging — full HTML, no character limits on posts.
- Aesthetic / mood-board content.
- SEO benefit — Tumblr blogs rank well on Google.
Frequently Asked Questions
How many links can I add to my Tumblr bio?
3 customizable theme sidebar links + unlimited HTML links inside Description. Total: 5-10+ visible links comfortably.
Does Tumblr support HTML in bio?
Yes — Description field accepts HTML, including clickable links. Most other social platforms restrict this.
What's the Tumblr bio character limit?
~1,000 characters in Description. Generous compared to Twitter's 160 or Instagram's 150.
Can I use a custom domain for Tumblr?
Yes — for free. Add CNAME record + verify. Replaces the default yourname.tumblr.com URL.
Does Tumblr drive traffic in 2026?
Less than peak years but still meaningful for art, niche, and long-form content. Many Tumblr blogs rank well on Google for specific aesthetic / cultural keywords.
Key Takeaways
- Edit Appearance → Description (supports HTML) + Theme → 3 sidebar links.
- Description: ~1,000 chars with full HTML support.
- Custom domain: free with DNS CNAME setup.
- Most flexible bio link options of any major social platform.
- Use a link-in-bio for streamlined external destinations.
One link covers everything beyond Tumblr
Add a UniLink URL as one of your 3 Tumblr sidebar links — covers your shop, portfolio, courses. Free with click analytics.
