---
title: "Swift: MP4 to MP3 Converter & Pro Editor - AUFOUNDATION – Chrome extension stats, history and permissions"
description: "48 users, rated 5.00 by 3 people. Version 2.4, updated 2026-09-25. Requests 3 permissions."
url: "https://extensiontracker.com/extension/npkfcdomggcinocgombpalpnlcclkdfj"
---

# Swift: MP4 to MP3 Converter & Pro Editor - AUFOUNDATION

Live in the Chrome Web Store.

- Users: 48
- Rating: 5.00 from 3 ratings
- Last checked: 2026-09-27 06:33 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #86,152 of 264,703 live extensions
- Rank in Tools: #28,307 of 103,498

## The listing

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

Summary from the listing:

> Fastest offline MP4 to MP3 converter. Includes Audio Trimmer, Cutter, Waveform Editor, Batch Processing & High Quality 320kbps.

- Extension ID: `npkfcdomggcinocgombpalpnlcclkdfj`
- Developer: [AUFOUNDATION](https://extensiontracker.com/developer/u32f17d010ccfbbc98939c7156c47f5f4)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-01-26
- Last updated: 2026-09-25
- Version: `2.4`
- Size: 154 KiB
- Minimum Chrome: 88
- Languages (23): Deutsch, English, Indonesia, Nederlands, Tiếng Việt, Türkçe, español, français, italiano, polski, svenska, русский, українська, اردو, العربية, فارسی, मराठी, हिन्दी, বাংলা, ไทย, 中文（中国）, 日本語, 한국어
- Support page: `https://x.com/AUFOUNDATIONS`
- Chrome Web Store: <https://chromewebstore.google.com/detail/swift-mp4-to-mp3-converte/npkfcdomggcinocgombpalpnlcclkdfj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fnpkfcdomggcinocgombpalpnlcclkdfj>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 48 | 5.00 | 3 |

## 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.

### Sites

- `https://extension.aufoundation.id/*`: extension.aufoundation.id

### Browser features

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

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Volume Booster & EQ - AUFOUNDATION](https://extensiontracker.com/extension/fmlipcboiijdclmknalakigohgnogoco) | 854 | 5.00 | 23 | Tools |
| [Market Pulse - Live Crypto & Stock Price Tracker - AUFOUNDATION](https://extensiontracker.com/extension/jiiklckijpjbfkdknkjadpojckabgeha) | 96 | 4.75 | 4 | Tools |
| [DevKnife: Color Picker, Ruler, Font, CSS Tools & More - AUFOUNDATION](https://extensiontracker.com/extension/mdhkiiddcnmdeefmlknmaklacmlmphhn) | 79 | 5.00 | 1 | Developer Tools |
| [Quick Notes - AUFOUNDATION](https://extensiontracker.com/extension/mpoaikndnkaeicnalonoglbhdaehhnic) | 71 | 5.00 | 7 | Workflow & Planning |
| [Floating Video PiP - AUFOUNDATION](https://extensiontracker.com/extension/lajimgbnfodgieledfplcnlmpknfiacg) | – | – | – | Tools |

All 6 extensions by [AUFOUNDATION](https://extensiontracker.com/developer/u32f17d010ccfbbc98939c7156c47f5f4).

## 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 2026-09-27 06:33 UTC; next check around 2026-10-07.

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

## Cite this page

Extension Tracker. “Swift: MP4 to MP3 Converter & Pro Editor - AUFOUNDATION” (npkfcdomggcinocgombpalpnlcclkdfj). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/npkfcdomggcinocgombpalpnlcclkdfj. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_npkfcdomggcinocgombpalpnlcclkdfj,
  title   = {Swift: MP4 to MP3 Converter & Pro Editor - AUFOUNDATION (npkfcdomggcinocgombpalpnlcclkdfj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/npkfcdomggcinocgombpalpnlcclkdfj},
  urldate = {2026-09-28}
}
```

---

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