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Preview of Google Chat Markdown Preview

Google Chat Markdown Preview by Abhi

Preview .md attachments inline in Google Chat without downloading.

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About this extension
A cross-browser (Chrome + Firefox, MV3) extension that adds inline preview support for .md / .markdown attachments in Google Chat. Google ships preview for its own formats (Docs, Sheets, Slides) but not for markdown, so this fills the gap.

Click the eye icon next to any markdown attachment chip and the file opens in an overlay dialog with rendered markdown, syntax-highlighted code, a raw view, and copy/download buttons. No download, no external site.

Source: https://github.com/AbhiTheModder/gc-md-preview.git
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Permissions and data

Required permissions:

  • Access your data for chat.google.com

Optional permissions:

  • Access your data for chat.google.com
  • Access your data for chat.usercontent.google.com

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
0.1.0
Size
359.64 KB
Last updated
4 days ago (Jun 24, 2026)
Version History
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