---
title: "Base64 Auto Decoder – Chrome extension stats, history and permissions"
description: "130 users, no ratings yet. Version 1.2.1, updated 2026-09-14. Requests 3 permissions."
url: "https://extensiontracker.com/extension/nkcokinkneofjkgibllifmjkjdecldjh"
---

# Base64 Auto Decoder

Live in the Chrome Web Store.

- Users: 130
- Rating: no ratings yet
- Last checked: 2026-09-27 06:20 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #59,532 of 264,703 live extensions
- Rank in Developer Tools: #5,302 of 27,615

## The listing

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

Summary from the listing:

> Automatically scan and decode Base64 text on webpages, replace in-place, and provide a one-click copy button.

- Extension ID: `nkcokinkneofjkgibllifmjkjdecldjh`
- Developer: [westfall](https://extensiontracker.com/developer/u6582d077868ffa8051c0f40a91fa08b4)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2026-09-10
- Last updated: 2026-09-14
- Version: `1.2.1`
- Size: 42.87 KiB
- Minimum Chrome: 88
- Languages (2): English, 中文（中国）
- Chrome Web Store: <https://chromewebstore.google.com/detail/base64-auto-decoder/nkcokinkneofjkgibllifmjkjdecldjh>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fnkcokinkneofjkgibllifmjkjdecldjh>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 130 | – | – |

## 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.

**Every website:** it can read and change your data on all the sites you visit.

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `contextMenus`: Add items to the right-click menu
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [X Radar](https://extensiontracker.com/extension/jblgkhaalneeidodeicfdbfhlllcgpfj) | – | – | – | Social Networking |

All 2 extensions by [westfall](https://extensiontracker.com/developer/u6582d077868ffa8051c0f40a91fa08b4).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 2026-09-27 06:20 UTC; next check around 2026-10-10.

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

## Cite this page

Extension Tracker. “Base64 Auto Decoder” (nkcokinkneofjkgibllifmjkjdecldjh). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/nkcokinkneofjkgibllifmjkjdecldjh. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_nkcokinkneofjkgibllifmjkjdecldjh,
  title   = {Base64 Auto Decoder (nkcokinkneofjkgibllifmjkjdecldjh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/nkcokinkneofjkgibllifmjkjdecldjh},
  urldate = {2026-09-28}
}
```

---

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