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Online Spectrum Analyzer

Chrome extension by terrybeer24 · Productivity · Tools

A Chrome extension in Productivity · Tools with 5 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
5
Rating
not rated yet
Users, last 11 days
+5
Version
0.1.2
Updated in the store
2026-09-08
Published
2026-09-06
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+5 since 07.09
0-5 · 5 readings
2026-09-07: appeared in the store2026-09-08: released 0.1.2
  1. 2026-09-070appeared in the store
  2. 2026-09-082released 0.1.2
  3. 2026-09-133
  4. 2026-09-154
  5. 2026-09-175
Users
+5 since 07.09
0-5 · 5 readings
2026-09-07: appeared in the store2026-09-08: released 0.1.2
  1. 2026-09-070appeared in the store
  2. 2026-09-082released 0.1.2
  3. 2026-09-133
  4. 2026-09-154
  5. 2026-09-175

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Capture the contents of a tab tabCapture
  • Act on the current tab, but only after you click it activeTab
  • Open a panel beside the page sidePanel

The full permission history for this extension

Version history

  1. Version 0.1.2

What changed recently

  1. Package size changed
  2. Released version 0.1.2 (was 0.1.1)
  3. Appeared in the store

The publisher

terrybeer24. Listed website: onlinespectrumanalyzer.com.

Like this one

Listings the catalog judges closest in what they say they do.

  1. SpectraScope — Audio Frequency Analyzer Describes nearly the same job, smaller audience 200 users ★ 3.0
  2. Audio Analyser Extension Describes nearly the same job, smaller audience 3k users ★ 4.8
  3. Tab Mix Meters — Real-Time Audio Analyzer Describes nearly the same job, smaller audience 101 users ★ 5.0
  4. Audio Analyzer Describes nearly the same job, smaller audience 8 users
  5. Popup Audio Phase Analyzer Describes nearly the same job, smaller audience 5 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.