Blur

Detects emails, phone numbers, names, and personal data in ChatGPT, Claude, and Gemini so you can mask them before sending

As of June 2026, Blur has 22 users and a 5.00/5 rating from 3 reviews in the Workflow & Planning category.

Usersdown 12.0 percent12.0%
22
22
Ratingno change0%
5.00
3 reviews
Reviewsno change0%
3
Version
v2.0.1
Manifest V3
90-day change · In the last 90 days this extension 1 version update, changed permissions.

History

6 snapshots

Tracking since Apr 7, 2026.

25.2423.521.76Apr 7, 2026Jun 8, 2026
View as table
DateUsersRatingReviewsVersion
Apr 7, 2026255.0032.0.0
Apr 26, 2026245.0032.0.0
May 3, 2026235.0032.0.0
May 14, 2026225.0032.0.0
May 27, 2026245.0032.0.0
Jun 3, 2026235.003v2.0.1
Now225.003v2.0.1

Changelog

  • May 27, 2026
    description
    Blur detects emails, phone numbers, names, and personal data in ChatGPT, Claude, and Gemini so
    you can review and mask them before sending.
    
    No account required. Install and it works immediately.
    
    HOW IT WORKS
      1. Go to chatgpt.com, claude.ai, or gemini.google.com
      2. Start typing a message containing an email, phone number, or name.
      3. A green status pill appears in the bottom-right corner
      4. When sensitive data is detected, the pill turns yellow or red and shows a count
      5. Click the pill to see all detected items
      6. Click "Mask" on any item, or "Protect All" to mask everything at once
    
    WHAT BLUR DETECTS (FREE)
      - Names and entities (people, companies, job titles)
      - Email addresses and phone numbers (US and international)
      - URLs and personal links (LinkedIn, portfolios, social media)
      - Individual item masking and "Protect All" bulk masking
      - Real-time privacy score
      - Dark mode
    
    ENTERPRISE FEATURES
      Upgrade to unlock expanded detection categories and controls:
      - Social Security Numbers (dashed format, e.g. 123-45-6789)
      - Credit card numbers (validated with Luhn algorithm)
      - Medical information (conditions, medications, procedures)
      - Demographic data (age, gender, race, religion, disability)
      - Financial details (salary, income, bank terms)
      - Relationship status
      - IP addresses, IBANs, passport numbers, routing and account numbers
      - Aggressive Mode (dates, 9-digit SSNs, driver's license patterns)
      - Smart Placeholders (realistic replacements instead of brackets)
    
    ONE-CLICK MASKING
    
    Replace detected items with safe placeholders:
      - "Dr. Sarah Chen" → "[name]"
      - "[email protected]" → "[email]"
      - "555-867-5309" → "[phone number]"
      - "https://linkedin.com/in/schen" → "[URL]"
    
    Enterprise users get additional detections like SSNs, credit cards, and realistic replacements like "John Doe" and "[email protected]".
    
    PRIVACY SCORE
    
    See your message safety at a glance:
      - Green (100%): No sensitive data detected
      - Yellow (70-99%): Some data found, review recommended
      - Red (below 70%): High-risk content, mask before sending
    
    KEY FEATURES
      - Real-time scanning as you type
      - Works on ChatGPT, Claude, and Gemini
      - 100% local processing — your text never leaves your device
      - Hybrid detection using regex patterns and NLP entity extraction
      - No account required for core features
      - Dark mode support
      - Zero data collection
    
    FOR TEAMS
        Blur offers per-seat licensing for organizations:
          - Centralized billing and seat management
          - Role-based access control
          - Priority support
    
    SUPPORTED PLATFORMS
      - ChatGPT (chatgpt.com)
      - Claude (claude.ai)
      - Google Gemini (gemini.google.com)
    
    SUPPORT
        Questions? Contact us at [email protected]
        Website: https://blurprivacy.app
    Blur detects emails, phone numbers, names, and personal data in ChatGPT, Claude, and Gemini so
      you can review and mask them before sending.
    
      No account required for the free tier. Install and it works immediately.
    
      HOW IT WORKS
        1. Go to chatgpt.com, claude.ai, or gemini.google.com
        2. Start typing a message containing an email, phone number, or name
        3. A green status pill appears in the bottom-right corner
        4. When sensitive data is detected, the pill turns yellow or red and shows a count
        5. Click the pill to see all detected items
        6. Click "Mask" on any item, or "Protect All" to mask everything at once
    
      PLANS
    
      FREE — $0, no account needed
        - Contact & Addresses: emails, phone numbers (US and international), URLs, personal links
        - Names & Entities: people, companies, job titles, institutions
        - Individual masking and "Protect All" bulk masking
        - Real-time privacy score
        - Works on ChatGPT, Claude, and Gemini
        - Dark mode
    
      INDIVIDUAL — solo paid plan for power users
        Everything in Free, plus:
        - Financial & IDs: credit cards (Luhn-validated), SSNs, IBANs, passport numbers, routing and
      account numbers, IP addresses
        - Sensitive Attributes: medical conditions and medications, demographics (age, gender, race,
      religion, disability), financial details (salary, income), relationship status
        - Aggressive Mode: dates, 9-digit SSNs, driver's license patterns, and other rare formats
        - Smart Placeholders: realistic replacements (e.g., "John Doe", "[email protected]")
      instead of bracket tags
        - Personal allowlist — skip detection on terms you choose
        - Personal analytics: redactions, categories, top rules
        - Settings sync across devices
    
      ENTERPRISE — team plan, per seat
        Everything in Individual, per seat, plus:
        - Shared admin dashboard for team, billing, and policies
        - Role-based access control (owner, admin, member)
        - Shared custom rules, allowlist, and detection policies
        - Per-member analytics and alerts
        - Priority customer support
    
      ONE-CLICK MASKING
    
      Replace detected items with safe placeholders:
        - "Dr. Sarah Chen" → "[name]"
        - "[email protected]" → "[email]"
        - "555-867-5309" → "[phone number]"
        - "https://linkedin.com/in/schen" → "[URL]"
    
      Individual and Enterprise users get Smart Placeholders with realistic replacements like "John
      Doe" and "[email protected]".
    
      PRIVACY SCORE
    
      See your message safety at a glance:
        - Green (100%): No sensitive data detected
        - Yellow (70-99%): Some data found, review recommended
        - Red (below 70%): High-risk content, mask before sending
    
      KEY FEATURES
        - Real-time scanning as you type
        - Works on ChatGPT, Claude, and Gemini
        - 100% local processing — your text never leaves your device
        - Hybrid detection using regex patterns and NLP entity extraction
        - No account required for free-tier detection
        - Dark mode support
        - Zero prompt data collection
    
      CHROME ENTERPRISE
    
      Blur can be force-installed or pre-approved through Chrome Enterprise policies
      (ExtensionInstallForcelist / ExtensionInstallAllowlist) for managed device deployment.
    
      SUPPORTED PLATFORMS
        - ChatGPT (chatgpt.com)
        - Claude (claude.ai)
        - Google Gemini (gemini.google.com)
    
      SUPPORT
        Questions? Contact us at [email protected]
        Website: https://blurprivacy.app
  • May 27, 2026
    host_permissions
    (empty)
    https://chatgpt.com/*, https://chat.openai.com/*, https://claude.ai/*, https://gemini.google.com/*
  • May 27, 2026
    permissions
    activeTab, storage
    activeTab, storage, alarms, scripting

Permissions & access

Permissions
activeTabstoragealarmsscripting
Host access
https://chatgpt.com/*, https://chat.openai.com/*, https://claude.ai/*, https://gemini.google.com/*

Screenshots

Blur screenshot 1Blur screenshot 2Blur screenshot 3Blur screenshot 4Blur screenshot 5

About

Blur detects emails, phone numbers, names, and personal data in ChatGPT, Claude, and Gemini so
  you can review and mask them before sending.

  No account required for the free tier. Install and it works immediately.

  HOW IT WORKS
    1. Go to chatgpt.com, claude.ai, or gemini.google.com
    2. Start typing a message containing an email, phone number, or name
    3. A green status pill appears in the bottom-right corner
    4. When sensitive data is detected, the pill turns yellow or red and shows a count
    5. Click the pill to see all detected items
    6. Click "Mask" on any item, or "Protect All" to mask everything at once

  PLANS

  FREE — $0, no account needed
    - Contact & Addresses: emails, phone numbers (US and international), URLs, personal links
    - Names & Entities: people, companies, job titles, institutions
    - Individual masking and "Protect All" bulk masking
    - Real-time privacy score
    - Works on ChatGPT, Claude, and Gemini
    - Dark mode

  INDIVIDUAL — solo paid plan for power users
    Everything in Free, plus:
    - Financial & IDs: credit cards (Luhn-validated), SSNs, IBANs, passport numbers, routing and
  account numbers, IP addresses
    - Sensitive Attributes: medical conditions and medications, demographics (age, gender, race,
  religion, disability), financial details (salary, income), relationship status
    - Aggressive Mode: dates, 9-digit SSNs, driver's license patterns, and other rare formats
    - Smart Placeholders: realistic replacements (e.g., "John Doe", "[email protected]")
  instead of bracket tags
    - Personal allowlist — skip detection on terms you choose
    - Personal analytics: redactions, categories, top rules
    - Settings sync across devices

  ENTERPRISE — team plan, per seat
    Everything in Individual, per seat, plus:
    - Shared admin dashboard for team, billing, and policies
    - Role-based access control (owner, admin, member)
    - Shared custom rules, allowlist, and detection policies
    - Per-member analytics and alerts
    - Priority customer support

  ONE-CLICK MASKING

  Replace detected items with safe placeholders:
    - "Dr. Sarah Chen" → "[name]"
    - "[email protected]" → "[email]"
    - "555-867-5309" → "[phone number]"
    - "https://linkedin.com/in/schen" → "[URL]"

  Individual and Enterprise users get Smart Placeholders with realistic replacements like "John
  Doe" and "[email protected]".

  PRIVACY SCORE

  See your message safety at a glance:
    - Green (100%): No sensitive data detected
    - Yellow (70-99%): Some data found, review recommended
    - Red (below 70%): High-risk content, mask before sending

  KEY FEATURES
    - Real-time scanning as you type
    - Works on ChatGPT, Claude, and Gemini
    - 100% local processing — your text never leaves your device
    - Hybrid detection using regex patterns and NLP entity extraction
    - No account required for free-tier detection
    - Dark mode support
    - Zero prompt data collection

  CHROME ENTERPRISE

  Blur can be force-installed or pre-approved through Chrome Enterprise policies
  (ExtensionInstallForcelist / ExtensionInstallAllowlist) for managed device deployment.

  SUPPORTED PLATFORMS
    - ChatGPT (chatgpt.com)
    - Claude (claude.ai)
    - Google Gemini (gemini.google.com)

  SUPPORT
    Questions? Contact us at [email protected]
    Website: https://blurprivacy.app

Technical

Version
v2.0.1
Manifest
V3
Size
735KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
oiplfeogpmoefgheiinjlemhdfekgphl
Developer ID
udee1844474f8d3834569f3c516262e38
Developer Email
[email protected]
Created
Dec 18, 2025
Last Updated (Store)
May 25, 2026
Last Scraped
Jun 8, 2026
Website

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Data sourced from the Chrome Web Store · last verified Jun 8, 2026.