Extension Tracker

LockLLM - Free Prompt Injection Scanner

29 users Rated 5.00 from 3 ratings Last updated 8 Feb 2026

By CyberGuard Live in the Chrome Web Store mpjcbigjfhdodnflcjgnmiaepfffbdhd Search Google ↗ Last checked 8 Nov 2026, 13:58 UTC

The listing

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

Protect your AI apps and agents from prompt injection, jailbreaks, and malicious attacks. Works for ChatGPT, Claude, and all LLMs.Summary from the listing
Developer
CyberGuard
Enhanced Safe Browsing
Trusted. What this means →
Category
Make Chrome Yours › Privacy & Security
First published
19 Jan 2026
Last updated
8 Feb 2026
Version
1.0.0
Size
50.48 KiB
Minimum Chrome
88
Languages
1 language

English

Website
lockllm.com
Support page
https://www.lockllm.com/contact
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
242628Tracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 23 users2026-10-07: 24 users2026-11-08: 29 users29242628Tracking began27 Sep18 Oct8 Nov2026-09-27: 23 users2026-10-07: 24 users2026-11-08: 29 users29
Average rating
4.804.905.0027 Sep11 Oct25 Oct8 Nov5.004.804.905.0027 Sep18 Oct8 Nov5.00
Number of ratings
327 Sep11 Oct25 Oct8 Nov3327 Sep18 Oct8 Nov3
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-08295.003
2026-10-07245.003
2026-09-27235.003
Users, 7 days
+5
since a week ago
Users, 30 days
+5
+20.8%
Rank
#106,337
by users, of 292,131 extensions
In its category
#1,656
of 5,693 in Privacy & Security

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • contextMenusAdd items to the right-click menu
  • notificationsShow notifications
  • storageSave settings and data in your browser

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Tab Snoozer – Save Memory & Battery by Pausing Inactive Tabs462 5.003 Tools
CyberGuard - Online Privacy & Security Protection339 5.003 Privacy & Security
Chrome Highlighter — Free Text & Word Highlighter for Webpages230 3.673 Tools
Chrome Shortcuts – Open Sites & Pages Instantly via Custom Keyboard Hotkeys125 4.805 Tools
Autofiller Pro — Personalized Form Filler for Chrome78 5.002 Tools
Clipboard History – Best Clipboard Manager for Chrome5 5.002 Tools
All 10 extensions by CyberGuard →

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 8 Nov 2026, 13:58 UTC; next check around 8 Dec 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “LockLLM - Free Prompt Injection Scanner” (mpjcbigjfhdodnflcjgnmiaepfffbdhd). Chrome Web Store data, last checked 2026-11-08. https://extensiontracker.com/extension/mpjcbigjfhdodnflcjgnmiaepfffbdhd. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_mpjcbigjfhdodnflcjgnmiaepfffbdhd,
  title   = {LockLLM - Free Prompt Injection Scanner (mpjcbigjfhdodnflcjgnmiaepfffbdhd)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-08},
  url     = {https://extensiontracker.com/extension/mpjcbigjfhdodnflcjgnmiaepfffbdhd},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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