---
title: "DefTab: Smart Tab Protector – Chrome extension stats, history and permissions"
description: "75 users, rated 4.76 by 17 people. Version 1.0.1, updated 2026-05-06. Requests 5 permissions."
url: "https://extensiontracker.com/extension/hlobkkggmiigfnlknklkahgcggmghkfn"
---

# DefTab: Smart Tab Protector

Live in the Chrome Web Store.

- Users: 75
- Rating: 4.76 from 17 ratings
- Last checked: 2026-09-27 02:35 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #73,225 of 264,703 live extensions
- Rank in Workflow & Planning: #15,262 of 44,474

## The listing

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

Summary from the listing:

> The ultimate defense for your tabs. Smart Tab Protector with Undo Close, exceptions, and more to prevent accidental data loss.

- Extension ID: `hlobkkggmiigfnlknklkahgcggmghkfn`
- Developer: [CepeshRC](https://extensiontracker.com/developer/u9c2aceea6e2caf875e28f2dad6426ae1)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2025-07-01
- Last updated: 2026-05-06
- Version: `1.0.1`
- Size: 1.33 MiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `rawvamp.com`
- Support page: `https://rawvamp.com/contact`
- Chrome Web Store: <https://chromewebstore.google.com/detail/deftab-smart-tab-protecto/hlobkkggmiigfnlknklkahgcggmghkfn>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fhlobkkggmiigfnlknklkahgcggmghkfn>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 75 | 4.76 | 17 |

## 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

- `<all_urls>`: Every website

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `notifications`: Show notifications
- `sessions`: Read recently closed tabs, and tabs on your other devices
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Lumuji: Shimeji & GIF Interactive Browser Pets](https://extensiontracker.com/extension/henoecahohdigbehpfegmilieolgjhlh) | 2,000 | 4.50 | 20 | Just for Fun |
| [Akralys: ChatGPT Custom Themes, UI Tools & PDF Export](https://extensiontracker.com/extension/glapompejfbhbbdoccbadeaomfkhebck) | 491 | 4.64 | 22 | Tools |
| [Retro Y2K Theme: 90s Vintage Web Aesthetic & Custom Cursor Mod \| RawY2K](https://extensiontracker.com/extension/hafjicchnmljfobjpiimbhololgmkjpo) | 400 | 5.00 | 11 | Art & Design |
| [Premium Themes, Dark Mode, and Live UI Editor for Google Gemini \| Anwingels](https://extensiontracker.com/extension/okjabemaccigpheogdjnogekhdlbpbpl) | 366 | 5.00 | 19 | Art & Design |
| [Free Online Image Downloader: Save Batch Pictures from Pinterest, Instagram](https://extensiontracker.com/extension/ihdfeafaagaikjbmklkcanfkmijmgeom) | 365 | 4.42 | 24 | Art & Design |
| [CepeshGochi: Virtual Pet Character 8Bit](https://extensiontracker.com/extension/pmheidnkcjonmcjndcgcpfmnbfncolml) | 354 | 5.00 | 19 | Just for Fun |
| [Free Online Bulk Image Downloader: Extract HD Web & E-Commerce Pictures](https://extensiontracker.com/extension/obnhmlmiifgnhmbifldbkidihdlhpekn) | 351 | 4.67 | 12 | Art & Design |
| [DefendTab: Don't Close My Tab](https://extensiontracker.com/extension/necfgnoehgecadbibfkfiedfiiccmccf) | 239 | 4.57 | 14 | Workflow & Planning |
| [RawVamp: Dark Aesthetic Photo Editor & Free Image Darkener](https://extensiontracker.com/extension/dlfddglcdlajcneofgdiebbonckgacnh) | 137 | 5.00 | 11 | Art & Design |
| [LasTabGuard: Stop Window From Closing With Last Tab](https://extensiontracker.com/extension/lfakbbhknhfjpjoojdlnnbjplddpjhcc) | 78 | 4.43 | 14 | Workflow & Planning |

All 11 extensions by [CepeshRC](https://extensiontracker.com/developer/u9c2aceea6e2caf875e28f2dad6426ae1).

## 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 02:35 UTC; next check around 2026-10-07.

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

## Cite this page

Extension Tracker. “DefTab: Smart Tab Protector” (hlobkkggmiigfnlknklkahgcggmghkfn). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hlobkkggmiigfnlknklkahgcggmghkfn. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_hlobkkggmiigfnlknklkahgcggmghkfn,
  title   = {DefTab: Smart Tab Protector (hlobkkggmiigfnlknklkahgcggmghkfn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/hlobkkggmiigfnlknklkahgcggmghkfn},
  urldate = {2026-09-28}
}
```

---

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