SafePrompt - AI Prompt Injection Detector icon

SafePrompt - AI Prompt Injection Detector

by info@rebootmedia.net · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Detects hidden text attacks on web pages that manipulate AI assistants like ChatGPT and Claude.

Users
7
−2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
9
0 in 30 days
Store rank
#217K
#181K among extensions
Version
1.0.0
updated 11 Feb 2026

Users

monthly, 9 months
047Jan 2026Jun 2026Oct 2026
Latest, 16 Oct 2026: 7 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months
049Jan 2026Jun 2026Oct 2026
Latest, 16 Oct 2026: 9 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SafePrompt - AI Prompt Injection Detector

SafePrompt - AI Prompt Injection Detector Protect yourself from hidden text injection attacks that manipulate AI assistants like ChatGPT, Claude, Gemini, and Perplexity. WHAT IS HIDDEN TEXT INJECTION? Attackers embed invisible text on web pages using CSS tricks (white text on white background, zero opacity, tiny fonts). When you ask an AI to analyze a page, it reads this hidden text and follows the attacker's instructions instead of helping you. HOW SAFEPROMPT PROTECTS YOU This extension automatically scans every page you visit for: • White-on-white hidden text • Zero opacity elements • Off-screen positioned content • Microscopic font sizes • Display:none elements with suspicious content • Clip-path hidden text FEATURES Real-Time Protection • Automatic scanning on every page load • Instant alerts when threats are detected • Badge counter shows number of hidden elements found Detailed Analysis • Click the extension to see exactly what was found • View the hidden text content • Understand what technique was used Privacy First • All scanning happens locally in your browser • No data sent to external servers • No tracking or analytics WHO NEEDS THIS? • Anyone using AI assistants for research • Developers building AI-powered applications • Security researchers studying prompt injection • Journalists and fact-checkers ABOUT SAFEPROMPT SafePrompt is an AI security company focused on protect…

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−2−22.2%00.00
6 months+5+250.0%00.00

Chrome Web Store search rankings

Where SafePrompt - AI Prompt Injection Detector appears when people search the store, with the 30 day change
Search phrasePosition30 days
inject#32−2

Version history

1 versions recorded
1.0.029 Jan 2026

Details

Category
Developer Tools
First seen
29 Jan 2026
Size
28 KB
Languages
en-US
Pricing
Free
Privacy policy
safeprompt.dev
Support
safeprompt.dev
Extension ID
njifehhikfacodbgkklcdheapkemkbep

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageactiveTab
Site access
<all_urls>
Can read and change data on every website you visit.

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