SHN/Archive/Browser Extensions

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SHN #003Beginner

Browser Extensions

March 1, 2025

Web Extensions API, JavaScript

61 builders

27 projects submitted

Best Project of the Night

Best Project

FocusLens

Manu S, Lekha R

A browser extension that blurs distracting content on social media feeds and replaces it with your own goals. Uses local AI to detect distraction patterns.

Chrome ExtensionJavaScriptAI

About This Theme

Browser extensions let you modify and enhance the web for yourself. This hack night was about building real browser extensions using the Web Extensions API — tools that solve your own problems, run in Chrome or Firefox, and can be shipped to others in hours.

Mentors

J

Jithin Zach

Frontend engineer, extension developer

M

Meera Pillai

Web platform developer

Resources

MDN Web Extensions Documentation

Chrome Extension Developer Guide

Plasmo — Browser extension framework

How I built my first Chrome Extension in an afternoon

All Submitted Projects (5)

TabMapper

by Rohit V

Visualizes your open tabs as a mind map.

Firefox ExtensionD3.jsJavaScript

PageSumm

by Keerthi J

One-click page summarizer powered by a local LLM.

Chrome ExtensionLLMJavaScript

PriceAlert

Sruthi M, Aditya K

Tracks Amazon prices and alerts you when they drop.

Chrome ExtensionScrapingNotifications

ReadingMode+

by Ashwin T

Enhanced reader mode with font, spacing, and color controls.

Browser ExtensionCSSTypography