Extension Tracker

LockLLM - Free Prompt Injection Scanner

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

By CyberGuard Live in the Chrome Web Store mpjcbigjfhdodnflcjgnmiaepfffbdhd Last checked 27 Sep 2026, 05:54 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
Trader status
Not declared a trader under EU law
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
Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Viewer ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-27235.003
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#112,252
by users, of 264,704 extensions
In its category
#1,995
of 5,293 in Privacy & Security

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

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

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Chrome Adblocker – The Best Free Ad Blocker for Chrome872 3.504 Workflow & Planning
Chrome Coupon Finder – Find & Apply Discount Codes with One Click634 5.002 Tools
Paywall Detector for Chrome – Detect Subscription-Only or Premium Content577 5.002 Tools
Tab Snoozer – Save Memory & Battery by Pausing Inactive Tabs525 5.003 Tools
CyberGuard - Online Privacy & Security Protection273 5.003 Privacy & Security
Chrome Highlighter — Free Text & Word Highlighter for Webpages223 3.673 Tools
Chrome Shortcuts – Open Sites & Pages Instantly via Custom Keyboard Hotkeys130 4.805 Tools
Autofiller Pro — Personalized Form Filler for Chrome72 5.002 Tools
Clipboard History – Best Clipboard Manager for Chrome6 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 27 Sep 2026, 05:54 UTC; next check around 7 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “LockLLM - Free Prompt Injection Scanner” (mpjcbigjfhdodnflcjgnmiaepfffbdhd). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/mpjcbigjfhdodnflcjgnmiaepfffbdhd. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_mpjcbigjfhdodnflcjgnmiaepfffbdhd,
  title   = {LockLLM - Free Prompt Injection Scanner (mpjcbigjfhdodnflcjgnmiaepfffbdhd)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/mpjcbigjfhdodnflcjgnmiaepfffbdhd},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

Browse

Top lists

Productivity

Lifestyle

Make Chrome Yours