---
title: "JWT Decoder & Verifier – Chrome extension stats, history and permissions"
description: "44 users, no ratings yet. Version 0.0.2, updated 2026-07-17. Requests 1 permission."
url: "https://extensiontracker.com/extension/gkkpdckaoccmoefdlopdjdbhahlpfnkj"
---

# JWT Decoder & Verifier

Live in the Chrome Web Store.

- Users: 44
- Rating: no ratings yet
- Last checked: 2026-09-27 01:52 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #88,855 of 264,703 live extensions
- Rank in Developer Tools: #8,436 of 27,615

## The listing

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

Summary from the listing:

> Decode and verify JWT tokens (JSON Web Token) with a beautiful interface

- Extension ID: `gkkpdckaoccmoefdlopdjdbhahlpfnkj`
- Developer: [oslook.com](https://extensiontracker.com/developer/uf46ab05da7dc7114962abfb079baf71d)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2025-01-02
- Last updated: 2026-07-17
- Version: `0.0.2`
- Size: 70.76 KiB
- Minimum Chrome: 88
- Languages (34): Deutsch, English, Filipino, Indonesia, Melayu, Nederlands, Tiếng Việt, Türkçe, dansk, español, français, italiano, magyar, norsk, polski, română, slovenčina, suomi, svenska, čeština, Ελληνικά, български, русский, українська, עברית, العربية, فارسی, हिन्दी, বাংলা, ไทย, 中文（中国）, 中文（台灣）, 日本語, 한국어
- Website: `oslook.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/jwt-decoder-verifier/gkkpdckaoccmoefdlopdjdbhahlpfnkj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fgkkpdckaoccmoefdlopdjdbhahlpfnkj>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 44 | – | – |

## 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

- `sidePanel`: Show a side panel

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [WebSocket & Socket.IO Client](https://extensiontracker.com/extension/enmpedlkjjjnhoehlkkghdjiloebecpn) | 3,000 | 5.00 | 2 | Developer Tools |
| [JSON Formatter & Viewer](https://extensiontracker.com/extension/kggkmmjihpjangbkpcdidlhfbnnfaldn) | 245 | 4.00 | 2 | Developer Tools |
| [GitHub Repo and File Size](https://extensiontracker.com/extension/joidmnjocdicgnlgnhnjmoabjdeipiai) | 191 | 5.00 | 1 | Developer Tools |
| [Picture-in-Picture + Miniplayer for YouTube](https://extensiontracker.com/extension/nkfjnplkaelkmpacihngglhmohamohpg) | 90 | – | – | Workflow & Planning |

All 5 extensions by [oslook.com](https://extensiontracker.com/developer/uf46ab05da7dc7114962abfb079baf71d).

## 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 01:52 UTC; next check around 2026-10-14.

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

## Cite this page

Extension Tracker. “JWT Decoder & Verifier” (gkkpdckaoccmoefdlopdjdbhahlpfnkj). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/gkkpdckaoccmoefdlopdjdbhahlpfnkj. Accessed 2026-09-28.

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

---

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