---
title: "BPM & Key Finder — Song Key & Tempo Detector – Chrome extension stats, history and permissions"
description: "21 users, no ratings yet. Version 1.0.0, updated 2026-07-28. Requests 1 permission."
url: "https://extensiontracker.com/extension/bckjacbildbppeimhhobobcigoljfdne"
---

# BPM & Key Finder — Song Key & Tempo Detector

Live in the Chrome Web Store.

- Users: 21
- Rating: no ratings yet
- Last checked: 2026-09-26 22:13 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #116,081 of 264,703 live extensions
- Rank in Workflow & Planning: #21,880 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Find the BPM, key, scale & Camelot code of any song. Free, instant, no upload — analysis runs in your browser. For DJs & producers.

- Extension ID: `bckjacbildbppeimhhobobcigoljfdne`
- Developer: [Lacuna](https://extensiontracker.com/developer/u9d4f8e24418129039dc5ae2c5a1b8a8a)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2026-07-28
- Last updated: 2026-07-28
- Version: `1.0.0`
- Size: 1.18 MiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Support page: `https://www.lacuna.fm/contact`
- Chrome Web Store: <https://chromewebstore.google.com/detail/bpm-key-finder-%E2%80%94-song-key/bckjacbildbppeimhhobobcigoljfdne>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fbckjacbildbppeimhhobobcigoljfdne>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 21 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Video Speed Changer & Pitch Changer — Slow Down, Speed Up, Transpose](https://extensiontracker.com/extension/iccmjcliifcfnoanlijglbleiiahcnio) | 128 | – | – | Workflow & Planning |
| [Volume Booster & Equalizer — Bass Boost, Sound Booster](https://extensiontracker.com/extension/aoemglclhnkejmdcgdeipmojbhdmgggf) | 26 | – | – | Tools |
| [Strudel AI Agent — Live Coding Music Assistant for the Strudel REPL](https://extensiontracker.com/extension/jdaehbnckkpojjmpfjimkofglcamhcid) | 6 | – | – | Developer Tools |

All 4 extensions by [Lacuna](https://extensiontracker.com/developer/u9d4f8e24418129039dc5ae2c5a1b8a8a).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-26 22:13 UTC; next check around 2026-10-14.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “BPM & Key Finder — Song Key & Tempo Detector” (bckjacbildbppeimhhobobcigoljfdne). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/bckjacbildbppeimhhobobcigoljfdne. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_bckjacbildbppeimhhobobcigoljfdne,
  title   = {BPM & Key Finder — Song Key & Tempo Detector (bckjacbildbppeimhhobobcigoljfdne)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/bckjacbildbppeimhhobobcigoljfdne},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/bckjacbildbppeimhhobobcigoljfdne>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.