
MaskMyPrompt
AI Prompt Anonymizer
Introducing MaskMyPrompt, the AI prompt anonymizer. Safeguard your data with ease.

What does MaskMyPrompt do?
What does MaskMyPrompt do?
MaskMyPrompt anonymizes prompts before sending them to ChatGPT by replacing real names of individuals, organizations, and locations with fictional equivalents. All processing happens in your browser, so your data stays private and is not transmitted to external servers.
How does MaskMyPrompt protect my privacy?
Your prompt data stays private in your browser window; it is never saved or sent to any server.
How does MaskMyPrompt work?
- Highlight sensitive information: You select the names of people, organizations, or locations to anonymize.
- Anonymization: The tool substitutes highlighted data with fictional alternatives.
- Local processing: Changes are made directly in your browser, with no data leaving your device.
- Privacy protection: Concealing sensitive details helps keep information confidential when using AI like ChatGPT.
- Simple and effective: A straightforward way to maintain privacy while using AI services.
Is MaskMyPrompt free to use?
Yes. MaskMyPrompt is completely free with no premium tiers or subscriptions.
What are the benefits of using MaskMyPrompt?
- Privacy protection: Replaces sensitive data with fictional substitutes.
- Local processing: All changes occur in your browser, with no data sent to external servers.
- Easy to use: Just highlight what you want anonymized and the tool handles the rest.
- Free to use: No cost or paid plans.
- Improved AI interactions: Anonymizing prompts helps you interact with AI tools more confidently.
What are the limitations of MaskMyPrompt?
- Limited scope: Focuses on anonymization features rather than broader analytics or integrations.
- Contextual challenges: Substituting details can occasionally alter prompt context.
- Browser dependency: Performance depends on browser capabilities across devices.
- Basic customization: Lacks advanced options for complex anonymization needs.
- No premium options: No paid tiers or premium support.
- Overall: Practical for users prioritizing privacy in AI interactions.
Who developed MaskMyPrompt and what technologies are used?
MaskMyPrompt was developed by Mike Ushakov in collaboration with ChatGPT. The tool is built with Transformers.js.
How can I report a bug or request a new feature?
Reach out to the developer, Mike Ushakov, via email or Twitter.
Last modifiedMay 25, 2026
Date listedAug 4, 2023