90 Day Challenge· Day 0 / 90
build$0 earned

Buyer-Intent Highlighter

A Chrome extension that automatically highlights Reddit and X comments from people actively looking for a product to buy — so you find warm leads while you browse normally.

Indie founders already spend time on Reddit and X looking for potential customers. The problem: finding the right comments means reading hundreds of posts manually just to spot the ones that say things like 'I wish there was a tool for this.' This extension scans in the background and visually flags those comments the moment they appear on screen — no extra tabs, no manual work.

PriceFree / $4.99/mo

Finalized how it works: the extension runs quietly in the background while you browse, scans visible comments for buying-intent phrases, and draws a subtle colored highlight on matches instantly. No clicks needed, no separate dashboard. Free version handles the most common use case; $4.99/month unlocks unlimited use and a daily email digest of the best matches found that day. Build starts on day 1 of the challenge.

Decided to build a Chrome extension for Reddit and X. The problem it solves: founders already browse these platforms looking for customers, but spotting the right comments takes forever when you have to read everything manually. This does the scanning in the background and highlights the relevant comments automatically. Free with daily limits, $4.99/month for unlimited.

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