---
title: "Tronclass pdf – Chrome extension stats, history and permissions"
description: "3,000 users, rated 5.00 by 15 people. Version 2.3.2, updated 2024-10-21. Requests 4 permissions."
url: "https://extensiontracker.com/extension/hfnbdhdncoploidiifmbpenakollmggg"
---

# Tronclass pdf

Live in the Chrome Web Store.

- Users: 3,000
- Rating: 5.00 from 15 ratings
- Last checked: 2026-09-27 20:13 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #12,549 of 264,703 live extensions
- Rank in Tools: #3,026 of 103,498

## The listing

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

Summary from the listing:

> 本擴充套件可下載Tronclass(iClass)上大多數教材，包括影片、PDF及PPT(以PDF格式下載)。 \#Tronclass pdf下載 \#iClass pdf下載 \#Tronclass教材下載

- Extension ID: `hfnbdhdncoploidiifmbpenakollmggg`
- Developer: [Hung Shao](https://extensiontracker.com/developer/ue454ffaf793ac4c1a39ba16fd6ae3fd7)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2021-09-03
- Last updated: 2024-10-21
- Version: `2.3.2`
- Size: 326 KiB
- Minimum Chrome: 88
- Languages (1): 中文（台灣）
- Chrome Web Store: <https://chromewebstore.google.com/detail/tronclass-pdf/hfnbdhdncoploidiifmbpenakollmggg>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fhfnbdhdncoploidiifmbpenakollmggg>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 3,000 | 5.00 | 15 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `contextMenus`: Add items to the right-click menu
- `downloads`: Manage your downloads
- `scripting`: Run scripts on sites it can reach

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 20:13 UTC; next check around 2026-10-04.

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

## Cite this page

Extension Tracker. “Tronclass pdf” (hfnbdhdncoploidiifmbpenakollmggg). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hfnbdhdncoploidiifmbpenakollmggg. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_hfnbdhdncoploidiifmbpenakollmggg,
  title   = {Tronclass pdf (hfnbdhdncoploidiifmbpenakollmggg)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/hfnbdhdncoploidiifmbpenakollmggg},
  urldate = {2026-09-28}
}
```

---

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