Blekline icon

Blekline

Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Protect prompts before send with real-time PII masking and policy controls.

Users
4
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#282K
#233K among extensions
Version
0.1.1
updated 21 Apr 2026

Users

monthly, 6 months
024Apr 2026Aug 2026Oct 2026
Latest, 15 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months
001Apr 2026Aug 2026Oct 2026
Latest, 15 Oct 2026: 0 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 Blekline

Teams move quickly with AI tools, but one pasted secret, customer identifier, or internal detail can create security and compliance risk. Blekline adds a real-time protection layer by intercepting prompt sends, masking sensitive entities, and applying workspace policy controls before transmission. Blekline Shield helps teams keep productivity high while reducing accidental data leakage in day-to-day AI use. What Blekline Shield does - Masks sensitive context before prompt send - Applies workspace-level policy controls (strict mode, keyword rules) - Supports secure prompt workflows across major AI platforms - Connects extension activity with Blekline webapp security controls - Helps teams operationalize AI usage with safer defaults Use Blekline to - Reduce accidental sharing of names, emails, IDs, keys, and other sensitive data - Enforce prompt safety policies at the point of use - Keep consistent protection across tools your team already uses - Reduce manual prompt sanitization overhead for engineering, operations, and security teams Who this is for - Engineering teams handling internal code and secrets - Revenue and operations teams working with customer/account context - Security and compliance stakeholders who need stronger AI usage controls - Marketing teams handling IP and client-sensitive information How to get started 1. Install Blekline Shield 2. Create your Blekline account: https://app.blekline.com/auth/signup 3. Sign in to the extension and link your workspace 4. Enable Shield and apply policy settings 5. Prompt as usual with pre-send protection Sign in: https://app.blekline.com/auth/signin
 Website: https://blekline.com
 Privacy Policy: https://blekline.com/privacy
 Terms: https://blekline.com/terms

Growth

WindowUsersChangeRatingsRating
7 days+1+33.3%00.00
30 days−1−20.0%00.00
6 months+3+300.0%00.00

Version history

2 versions recorded
0.1.121 Apr 2026
0.1.07 Apr 2026

Details

Category
Privacy & Security
First seen
7 Apr 2026
Size
78 KB
Languages
en
Pricing
Free
Privacy policy
blekline.com
Support
blekline.com
Extension ID
ophphgndkmhfifpoionloomdhbieclia

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
sidePanelstoragetabs
Site access
https://chatgpt.com/*https://chat.openai.com/*https://claude.ai/*https://gemini.google.com/*https://www.perplexity.ai/*https://perplexity.ai/*https://grok.com/*https://poe.com/*https://www.poe.com/*https://deepseek.com/*and 3 more

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