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PiiBlocker : Mask PII in AI Chatbots

Chrome extension by piiblocker · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 469 users, barely installed.

Specific sites only: 9 match patterns.

What the developer says, and 6 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
469
Rating
5.0 (5 ratings)
Users, last 16 days
-20
Rating, last 30 days
Not watched long enough to say
Version
1.5.0
Updated in the store
2026-09-03
Published
2026-03-02
Manifest
V3
Browser access
5 permissions, 9 site patterns

How it has moved

Users
-20 since 31.08
463-519 · 9 readings
2026-09-03: released 1.5.0
  1. 2026-08-31489
  2. 2026-09-02492
  3. 2026-09-04519
  4. 2026-09-05494
  5. 2026-09-06496
  6. 2026-09-07486
  7. 2026-09-08473
  8. 2026-09-10463
  9. 2026-09-15469
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
2026-09-03: released 1.5.0
  1. 2026-08-31reviews5rating5.00
  2. 2026-09-02reviews5rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-05reviews5rating5.00
  5. 2026-09-06reviews5rating5.00
  6. 2026-09-07reviews5rating5.00
  7. 2026-09-08reviews5rating5.00
  8. 2026-09-10reviews5rating5.00
  9. 2026-09-15reviews5rating5.00
Users
-20 since 31.08
463-519 · 9 readings
2026-09-03: released 1.5.0
  1. 2026-08-31489
  2. 2026-09-02492
  3. 2026-09-04519
  4. 2026-09-05494
  5. 2026-09-06496
  6. 2026-09-07486
  7. 2026-09-08473
  8. 2026-09-10463
  9. 2026-09-15469
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
2026-09-03: released 1.5.0
  1. 2026-08-31reviews5rating5.00
  2. 2026-09-02reviews5rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-05reviews5rating5.00
  5. 2026-09-06reviews5rating5.00
  6. 2026-09-07reviews5rating5.00
  7. 2026-09-08reviews5rating5.00
  8. 2026-09-10reviews5rating5.00
  9. 2026-09-15reviews5rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 9 match patterns.

  • https://chat.openai.com/*
  • https://chatgpt.com/*
  • https://claude.ai/*
Show the remaining 6
  • https://gemini.google.com/*
  • *://www.kimi.com/*
  • *://www.kimi.ai/*
  • *://chat.deepseek.com/*
  • *://grok.com/*
  • *://www.perplexity.ai/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
Show the remaining 2
  • Add items to the right-click menu contextMenus
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.5.0 · Asked for more permissions (14, was 9)

What changed recently

  1. Package size changed
  2. Asked for more permissions (14, was 9)
  3. Store description rewritten
Show the remaining 1
  1. Released version 1.5.0 (was 1.4.0)

The publisher

piiblocker. Listed website: piiblock.com.

Like this one

Listings the catalog judges closest in what they say they do.

  1. LLM Masker - PII & Secret Redactor Describes nearly the same job, smaller audience 7 users
  2. AI Security Shield Describes nearly the same job, smaller audience 6 users
  3. AI Data Shield Describes nearly the same job, smaller audience 3 users
  4. Datablur AI — PII Redaction for AI Chats Describes nearly the same job, smaller audience 9 users
  5. Cloakshot Prompt – Redact before you use AI Describes nearly the same job audience not published

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.