PHI Mask - Data Privacy Mask by PHI Mask
Mask names, identifiers, and other private details as you paste or upload. Your data stays in your browser for pattern matching, does not touch our servers, and your real private values won't be sent to AI.
Extension Metadata
Screenshots
About this extension
Paste or upload as usual. Names, identifiers, and other private details are masked before they reach AI websites.
Review what changed, then send. AI websites are covered by default. Choose Every website in the toolbar popup for broader coverage. On supported conversations, PHI Mask can restore original values locally in replies.
HOW IT WORKS
PHI Mask has detectors for PHI and PII based on patterns such as: name, date of birth, address, phone number, email address, health card number, record number, and social insurance number of the person you are writing about. Based on your settings, these can be masked before any AI can see it; and then unmasked for your eyes only.
WHAT WE RECEIVE
Nothing. The text and files you mask stay in your browser. We do not receive them.
PHI Mask is HIPAA-compatible, not HIPAA compliant. Your file is masked in your browser and never sent to us, so there is no BAA to sign.
FILES
Attach a file the way you normally would. PHI Mask changes the details inside it first, then attaches the masked copy. Use the file's PHI Mask control to compare the original and masked versions.
PRICE
Free for personal use, licensed for client work. No account needed.
WITHOUT INSTALLING
For one-off masking, the online masker at phimask.com/mask-data handles text, screenshots, and files.
FEATURES
• Paste text as usual.
• Upload files without preparing them first.
• See every change before you send.
• Read replies with the original details back in place.
COMMON QUESTIONS
Does PHI Mask store or log my data and files?
No. Detection and masking run locally in your browser, and your original input, filename, detected values, and stand-in map stay on your machine.
Is PHI Mask an AI service?
No. PHI Mask uses pattern recognition to identify names, emails, addresses, etc.. which means detection easily runs on your device, in your browser, and works offline. Your text and files are not uploaded.
Is PHI Mask HIPAA compliant?
PHI Mask is HIPAA-compatible, not HIPAA compliant. Your file is masked in your browser and never sent to us, so there is no BAA to sign.
Review what changed, then send. AI websites are covered by default. Choose Every website in the toolbar popup for broader coverage. On supported conversations, PHI Mask can restore original values locally in replies.
HOW IT WORKS
PHI Mask has detectors for PHI and PII based on patterns such as: name, date of birth, address, phone number, email address, health card number, record number, and social insurance number of the person you are writing about. Based on your settings, these can be masked before any AI can see it; and then unmasked for your eyes only.
WHAT WE RECEIVE
Nothing. The text and files you mask stay in your browser. We do not receive them.
PHI Mask is HIPAA-compatible, not HIPAA compliant. Your file is masked in your browser and never sent to us, so there is no BAA to sign.
FILES
Attach a file the way you normally would. PHI Mask changes the details inside it first, then attaches the masked copy. Use the file's PHI Mask control to compare the original and masked versions.
PRICE
Free for personal use, licensed for client work. No account needed.
WITHOUT INSTALLING
For one-off masking, the online masker at phimask.com/mask-data handles text, screenshots, and files.
FEATURES
• Paste text as usual.
• Upload files without preparing them first.
• See every change before you send.
• Read replies with the original details back in place.
COMMON QUESTIONS
Does PHI Mask store or log my data and files?
No. Detection and masking run locally in your browser, and your original input, filename, detected values, and stand-in map stay on your machine.
Is PHI Mask an AI service?
No. PHI Mask uses pattern recognition to identify names, emails, addresses, etc.. which means detection easily runs on your device, in your browser, and works offline. Your text and files are not uploaded.
Is PHI Mask HIPAA compliant?
PHI Mask is HIPAA-compatible, not HIPAA compliant. Your file is masked in your browser and never sent to us, so there is no BAA to sign.
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Permissions and data
Required permissions:
- Get data from the clipboard
- Access your data for chatgpt.com
- Access your data for chat.openai.com
- Access your data for claude.ai
- Access your data for gemini.google.com
- Access your data for aistudio.google.com
- Access your data for copilot.microsoft.com
- Access your data for perplexity.ai
- Access your data for www.perplexity.ai
- Access your data for chat.mistral.ai
- Access your data for chat.deepseek.com
- Access your data for grok.com
- Access your data for poe.com
- Access your data for kimi.ai
- Access your data for www.kimi.ai
- Access your data for meta.ai
- Access your data for www.meta.ai
- Access your data for lovable.dev
- Access your data for replit.com
- Access your data for base44.com
- Access your data for app.base44.com
- Access your data for aifiesta.ai
- Access your data for chat.v2.aifiesta.ai
Optional permissions:
- Access your data for chatgpt.com
- Access your data for chat.openai.com
- Access your data for claude.ai
- Access your data for gemini.google.com
- Access your data for aistudio.google.com
- Access your data for copilot.microsoft.com
- Access your data for perplexity.ai
- Access your data for www.perplexity.ai
- Access your data for chat.mistral.ai
- Access your data for chat.deepseek.com
- Access your data for grok.com
- Access your data for poe.com
- Access your data for kimi.ai
- Access your data for www.kimi.ai
- Access your data for meta.ai
- Access your data for www.meta.ai
- Access your data for lovable.dev
- Access your data for replit.com
- Access your data for base44.com
- Access your data for app.base44.com
- Access your data for aifiesta.ai
- Access your data for chat.v2.aifiesta.ai
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.5.4
- Size
- 24.85 MB
- Last updated
- 8 hours ago (Sep 27, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
- Tags
- Add to collection
PHI Mask does not receive the text or files you mask.