/projects/shardtune

ShardTune

Spotify controller & listening analytics for Chromium.

About

A zero-dependency MV3 browser extension that controls Spotify and surfaces deep listening analytics — peak hours, music memory heatmap, taste profiles, friend activity, and Vibe Sync — all computed locally. BYO Client ID means no middleman servers; your data never leaves your device.

Features

01Now Playing with album art, waveform viz, transport controls
02Analytics dashboard: peak hours, memory heatmap, taste profile
03Friend activity feed and Vibe Sync taste comparison
04BYO-Client-ID: zero middleman servers, data stays local
05Sleep timer and smart notifications
06Offline-capable after first Spotify auth

Stack

TypeScript
React
Tailwind
Vite
Chrome MV3
Spotify Web API

Preview

shardtune — popup

Now Playing

Blinding Lights — The Weeknd

After Hours · 3:20

Peak hour

11pm – 1am

Vibe Sync

82% match

local-only · BYO Client ID