PadSpectrum icon

PadSpectrum

by droustit · Functionality & UI
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Turn your Novation Launchpad S into a spectral audio visualizer and YouTube media controller.

Users
8
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#211K
#176K among extensions
Version
0.0.1
updated 11 Mar 2026

Users

monthly, 7 months
049Mar 2026Jul 2026Oct 2026
Latest, 15 Oct 2026: 8 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
001Mar 2026Jul 2026Oct 2026
Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About PadSpectrum

EN : PadSpectrum turns your Novation Launchpad S into a live spectral audio visualizer and a YouTube media controller — all from a single Python script and this Chrome extension. VISUALIZER The 8x8 LED grid reacts to your system audio in real time, with 4 display modes: - Mode 0 — gradient bars (green to red by position) - Mode 1 — monochrome bars (color by height) - Mode 2 — floating peak dot - Mode 3 — radial display (bass on the outside, treble at the center) Switch modes with the Arm button. YOUTUBE CONTROLS - Next / Previous track - Toggle repeat and shuffle - Open YouTube (launches Chrome if closed) - System volume up / down / mute HOW IT WORKS This extension connects to a local Python script via WebSocket (localhost:8765). The script handles audio analysis and MIDI input from the Launchpad S. No data leaves your machine. REQUIREMENTS - Novation Launchpad S connected via USB - Python script running locally (available on GitHub) - Windows Stereo Mix enabled for audio loopback FR : PadSpectrum transforme votre Novation Launchpad S en visualiseur spectral audio en temps réel et en télécommande YouTube — via un script Python local et cette extension Chrome. VISUALISEUR La grille LED 8x8 réagit à l'audio système en temps réel, avec 4 modes d'affichage : - Mode 0 — barres dégradées (vert à rouge par position) - Mode 1 — barres monochromes (couleur selon la hauteur) - Mode 2 — point flottant au sommet - Mode 3 — affichage radial (graves en périphérie, aigus au centre) Changez de mode avec le bouton Arm. CONTRÔLES YOUTUBE - Piste suivante / précédente - Activer/désactiver la répétition et le mode aléatoire - Ouvrir YouTube (lance Chrome si fermé) - Volume système + / - / muet FONCTIONNEMENT L'extension se connecte à un script Python local via WebSocket (localhost:8765). Le script gère l'analyse audio et les entrées MIDI du Launchpad S. Aucune donnée ne quitte votre machine. PRÉREQUIS - Novation Launchpad S connecté en USB - Script Python lancé localement (disponible sur GitHub) - Mixage Stéréo Windows activé pour le loopback audio

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−2−20.0%00.00
6 months+6+300.0%00.00

Chrome Web Store search rankings

Where PadSpectrum appears when people search the store, with the 30 day change
Search phrasePosition30 days
usb#63−7

Version history

1 versions recorded
0.0.111 Mar 2026

Details

Category
Functionality & UI
First seen
11 Mar 2026
Size
6 KB
Languages
en
Pricing
Free
Privacy policy
blounet.github.io
Extension ID
lagiepecpcgdcbphfidjbcdhfmcnkfgj

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
tabsscripting
Site access
https://www.youtube.com/*http://m.youtube.com/*https://m.youtube.com/*

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