Custom domains
Custom domains are available on paid plans (Starter, Pro, Unlimited). On the free plan, sites are reachable only at <site-name>.myfilebase.site.
Add a custom domain
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Open the site in the console.
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Settings → Custom Domain → Add Domain.
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Enter your hostname (e.g.
www.example.com). -
Filebase shows you the required CNAME target.
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At your DNS provider, add a CNAME record:
www.example.com. CNAME <site-name>.myfilebase.site.
- Wait for DNS propagation (typically a few minutes).
- Filebase verifies the CNAME and auto-provisions a Let's Encrypt TLS certificate.
Once issued, the site is reachable at https://www.example.com/.
Root domains
For root domains (e.g. example.com), use an ALIAS or ANAME record. Most modern DNS providers (Cloudflare, Route 53, DNSimple) support root-domain flattening; check your provider's docs.
TLS renewal
Filebase auto-renews Let's Encrypt certificates. As long as the DNS record stays valid, no action is required from you.