BIMI Checker

See your logo the way inboxes will. Check the record, the SVG profile, the certificate and DMARC.

Files checked locally · fetched on our server

In the inbox

What has to line up

All four, or no logo

SVG Tiny PS profile

Mark certificate

Findings

Your logo stays yours.

A pasted record, SVG or certificate is checked in your browser and never leaves it. For a domain, our server reads its public DNS records and fetches the published logo and certificate. Nothing you enter is saved. Google ads may run on this page; we do not send your input to them.

What this tool checks

The default._bimi record, the logo against the SVG Tiny Portable/Secure profile (baseProfile, version, title, square viewBox, no scripts, external references, embedded images or animation, at most 32 KB), the mark certificate (logotype extension, validity, the domain it names) and the DMARC policy, which must be quarantine or reject at 100% before any provider shows the logo.

The preview draws the logo as an image. These are basic SVG text checks, not full schema validation. Certificate trust, revocation and logo matching are not verified; mailbox providers decide whether to display a logo.

Capabilities and processing

Enter a domain, paste a BIMI record, SVG logo or PEM certificate, or choose a file. A domain is looked up at default._bimi.<domain> by our server, which also fetches the logo and certificate. Pasted text and chosen files are read in your browser and never uploaded.

The logo is previewed on light and dark inboxes as an image, so nothing in it runs. Basic SVG Tiny PS attributes and disallowed constructs are inspected, the certificate for the logotype extension, validity and named domains, and DMARC for enforcement.

Example workflow

The reserved sample domain harbor-supply.example has a sample logo and certificate, but its p=none policy does not meet the DMARC enforcement requirement for BIMI. This is a fixture, not a live inbox result. Open the DMARC checker to plan enforcement.

Limits and interpretation

Full SVG schema conformance, certificate trust, revocation and logo hash matching are not verified. Each mailbox provider decides whether to show a logo; passing every check does not guarantee display. The application does not persist tool inputs or results.

Related tools

DMARC Checker inspects the enforcement policy BIMI depends on. Email Provider Lookup identifies known receiving hosts or gateways.

All tools · Privacy

References

BIMI Group implementation guide. The checks here cover only the subset described above.