Hello, I am Sandipan
Mukherjee

I build software products and write technical articles. JavaScript, React, Tailwind, and PHP are my territory. Currently shipping WhatTheCSS, a Chrome extension that lets you hover over any element on a website to instantly see its CSS.

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Work

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WhatTheCSS

A Chrome extension that lets you hover over any element on any website to instantly see its authored CSS in a clean tooltip.

CSSJavaScript

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Writing

I Build Things I Never Ship

There is a specific kind of shame that comes with being a builder who does not ship. I have lived with it for years. This is my honest accounting of why I never launched, and what finally changed.

17 July 2026 8 min read

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Hello, I am Sandipan Mukherjee

WhatTheCSS

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Hello, I am Sandipan
Mukherjee

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in your inbox.