Preview your annotations
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To preview your email annotations, edit the following code or write new code.
To find JSON-LD and Microdata templates, see Get started.
This Preview Tool provides a glimpse of how your annotation will appear in your
subscribers' Promotions Tab. It also detects potential issues with your
annotation, offering error messages to help you address them. The tool checks
for compliance with image quality filters, proper syntax, supported image aspect
ratios and sizes, valid image formats, and supported URLs.
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Last updated 2025-08-28 UTC.
[null,null,["Last updated 2025-08-28 UTC."],[],[],null,["# Preview your annotations\n\n| **Note:** If you experience issues with your annotation, email [p-Promo-Outreach@google.com](mailto:p-Promo-Outreach@google.com).\n\nTo preview your email annotations, edit the following code or write new code.\nTo find JSON-LD and Microdata templates, see [Get started](/workspace/gmail/promotab/overview).\n\nThis Preview Tool provides a glimpse of how your annotation will appear in your\nsubscribers' Promotions Tab. It also detects potential issues with your\nannotation, offering error messages to help you address them. The tool checks\nfor compliance with image quality filters, proper syntax, supported image aspect\nratios and sizes, valid image formats, and supported URLs."]]
