The one-sentence version#
SVG Tiny 1.2 Portable/Secure is the restricted SVG profile required by BIMI. It forbids scripts, external references, and embedded raster images, and requires a <title> element and baseProfile="tiny-ps".
Why you should care#
Providers reject non-conforming files silently. A valid file is the difference between a logo appearing or not.
The mental model#
Think of SVG Tiny PS logo files as a contract between you and the mailbox providers receiving your mail. You publish or configure something they can check; they check it on every message; the result feeds their decision about where your message lands. Everything below is about making that check pass consistently.
Your first setup, step by step#
- Export a square SVG with the logo centered and a solid background color.
- Set baseProfile="tiny-ps" and version="1.2" on the root svg element.
- Add a <title> element matching your brand name.
- Remove all script, filter, and external href references, and strip x/y attributes from the root.
- Validate with a BIMI SVG converter and keep the file under 32 KB.
Words you will see#
- Mailbox provider: Gmail, Microsoft, Yahoo, Apple, and the corporate gateways that decide where mail lands.
- Authentication: proof that a message is from who it says it is (SPF, DKIM, DMARC).
- Reputation: the provider's running score of your domain and IP.
- Placement: whether a message reaches the inbox, spam, or is rejected.
Common mistakes#
- Transparent backgrounds, which render unpredictably on dark-mode clients.
- Text elements that rely on fonts; convert text to outlines.
Frequently asked questions#
Why does my SVG fail validation?
Most commonly a missing baseProfile attribute, embedded images, or leftover editor metadata. Run it through a converter that outputs the Tiny PS profile.