---
title: "JS Calculator – Chrome extension stats, history and permissions"
description: "105 users, rated 5.00 by 3 people. Version 1.0, updated 2025-05-28. Requests 2 permissions."
url: "https://extensiontracker.com/extension/bjjlhphgmmbfkfgpdkaeoegekkboohhj"
---

# JS Calculator

Live in the Chrome Web Store.

- Users: 105
- Rating: 5.00 from 3 ratings
- Last checked: 2026-09-26 22:33 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #64,727 of 264,703 live extensions
- Rank in Tools: #20,076 of 103,498

## The listing

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

Summary from the listing:

> A versatile scientific calculator extension for Chrome powered by js libraries, inspired by Google Calculator & Cloudy Calculator.

- Extension ID: `bjjlhphgmmbfkfgpdkaeoegekkboohhj`
- Developer: [0x\_dave](https://extensiontracker.com/developer/u5d3c1de5b75fa19269778d2a81414229)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2025-05-15
- Last updated: 2025-05-28
- Version: `1.0`
- Size: 2.18 MiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `jscalc.app`
- Support page: `https://gitlab.com/0x_dave/JS_Calc`
- Chrome Web Store: <https://chromewebstore.google.com/detail/js-calculator/bjjlhphgmmbfkfgpdkaeoegekkboohhj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fbjjlhphgmmbfkfgpdkaeoegekkboohhj>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 105 | 5.00 | 3 |

## 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

- `clipboardWrite`: Change what's in your clipboard
- `storage`: Save settings and data in your browser

## 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 22:33 UTC; next check around 2026-10-25.

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

## Cite this page

Extension Tracker. “JS Calculator” (bjjlhphgmmbfkfgpdkaeoegekkboohhj). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/bjjlhphgmmbfkfgpdkaeoegekkboohhj. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_bjjlhphgmmbfkfgpdkaeoegekkboohhj,
  title   = {JS Calculator (bjjlhphgmmbfkfgpdkaeoegekkboohhj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/bjjlhphgmmbfkfgpdkaeoegekkboohhj},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/bjjlhphgmmbfkfgpdkaeoegekkboohhj>. 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`.