GMail Hilite

About

GMail Hilite makes your inbox scannable at a glance by highlighting rows with background and text colors based on rules you define.

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HOW IT WORKS
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Every email row in your inbox is evaluated against a priority list of rules you configure. The first rule that matches determines the row's color. Drag rules up or down to change priority — no settings to memorize, just a visual list.

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HIGHLIGHT CONDITIONS
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★  Star type — assign a different color to each Gmail star (yellow star, blue star, red bang, orange guillemet, green check, and more)
●  Unread — highlight unread emails so they stand out immediately
🏷  Gmail label — color-code rows by any label in your inbox
✉  Sender domain or email — highlight emails from specific senders or domains

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CUSTOMIZATION
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• Background color per rule
• Text color per rule — essential for dark mode where light backgrounds make text hard to read
• Enable or disable any rule without deleting it
• Drag to reorder — list order is priority order, first match wins
• Changes take effect instantly, no page reload needed

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PRIVACY
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GMail Hilite reads only what it needs to apply highlights (starred status, labels, sender address). It does not read email content, does not collect any data, and does not communicate with any server. Your highlight rules are stored locally using Chrome's built-in sync storage.

Full privacy policy: https://anselmogz.github.io/gmail-hilite/privacy-policy.html

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VIBECODED & OPEN SOURCE
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GMail Hilite is open source. View the code, report issues, or contribute at:
https://github.com/anselmogz/gmail-hilite

This Chrome extension was vibecoded by Enrique A. Gómez (anselmogz) using Claude Code. Tested in Google Chrome and Microsoft Edge. 

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THE STORY
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My name is Enrique. I vibecoded this extension because I don't trust existing alternatives with similar functionality that require access to GMail data or logins. This tool is free, simple, easy to use, and is mindful of your privacy. Enjoy and leave any feedback or requests in the reviews!