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Description
Automatically mark your keywords Firefly highlights the words you care about on every webpage you open. Add the terms once and they light up everywhere — articles, search results, docs, dashboards, anywhere text appears in the browser. Built for researchers, students, traders, recruiters, and anyone who scans dense pages looking for specific names, tickers, error codes, or topics. WHAT IT DOES • Highlights any number of keywords as you browse • Pick a different color for each keyword, or use the same one everywhere • Toggle bold on or off per keyword • Works on dynamically loaded pages (infinite scroll, single-page apps, async-rendered widgets) • Master On/Off button hides every highlight without erasing your keyword list • Keywords sync across your Chrome devices via your Google account HOW TO USE 1. Click the Firefly icon in your toolbar 2. Type one keyword per line, pick a color, click "Add Keywords" 3. That's it — open any page and the matches are highlighted You can edit a keyword's color or bold setting at any time from the popup, or remove individual keywords with one click. Use "Clear all" to wipe everything. MATCHING RULES • Matching is case-insensitive (typing "elephant" also catches "Elephant" and "ELEPHANT") • Whole-word matching only — typing "ant" will not match inside "elephant" • Form fields (input, textarea, select) are never highlighted, so typing isn't disrupted PRIVACY Firefly does not collect, transmit, or sell any data. There are no analytics, no trackers, no remote servers. Your keyword list is saved using Chrome's built-in sync storage, which is handled entirely by Google. The extension needs access to all URLs because the highlighting feature has to run wherever you're reading. The content script executes locally in your browser; nothing is sent anywhere. Full privacy policy and open-source code: https://github.com/emailsteve002/Firefly WHO IT'S FOR • Researchers tracking authors, methods, or terms across literature • Students reading long syllabi, papers, or textbooks • Traders watching tickers and company names across news sites • Recruiters scanning resumes and LinkedIn for skills • Developers spotting error codes or library names in logs and docs • Anyone whose attention deserves help finding what matters Free, lightweight, no account required.