Hide sensitive data from ChatGPT
Prepare prompts safely before sharing text with AI assistants
Why Sensitive Data Ends Up in ChatGPT
Many people use ChatGPT to save time during daily work.
Users often paste:
- emails
- support tickets
- meeting notes
- contracts
- customer conversations
- medical information
- internal business documents
- research material
- code snippets
These texts frequently contain sensitive or confidential information.
In many cases, users do not realize how much personal or business-critical data is included inside prompts.
Examples of Sensitive Information Inside Prompts
Sensitive data shared with ChatGPT may include:
- full names
- email addresses
- phone numbers
- customer IDs
- IBANs and payment details
- private addresses
- medical information
- internal project names
- contracts and legal information
- API keys or access credentials
Even seemingly harmless text can contain hidden identifiers or confidential business information.
Why Redacting Data Before Using ChatGPT Matters
Removing sensitive information before using AI systems helps reduce privacy, security and compliance risks.
This is especially important when working with:
- customer communication
- healthcare information
- legal documents
- research data
- internal company information
- confidential business workflows
A cleaned version of the text is often fully sufficient for AI-assisted tasks such as summarization, rewriting, analysis or translation.
A Safer Workflow Before Using ChatGPT
A safer workflow looks like this:
- Paste or import the text locally
- Detect sensitive information automatically
- Redact, anonymize or pseudonymize sensitive data
- Verify the cleaned version
- Use the sanitized text with ChatGPT
- Restore pseudonymized entities locally if needed
This keeps the useful context while reducing unnecessary exposure of personal or confidential information.
Example
Original Prompt
Customer Michael Thompson from Chicago reported problems accessing account AC-77421.
Please summarize the issue before replying to [email protected].
Redacted Prompt
Customer [REDACTED] from [REDACTED] reported problems accessing account [REDACTED].
Please summarize the issue before replying to [REDACTED].
Pseudonymized Prompt
Customer [PERSON_1] from [LOCATION_1] reported problems accessing account [SECRET_1].
Please summarize the issue before replying to [EMAIL_1].
The useful context remains intact while sensitive information is removed before sharing the text with AI systems.
Why Local Processing Matters
Many privacy or anonymization tools require users to upload documents or prompts to cloud services.
For sensitive information, this can itself become a privacy or compliance concern.
Redaxa works locally on your own PC.
No cloud processing. No external AI required. No document uploads.
This makes Redaxa suitable for:
- privacy-conscious users
- GDPR-sensitive environments
- healthcare organizations
- legal departments
- research institutions
- business communication
- users working with confidential information
Prepare ChatGPT Prompts Safely
Redaxa helps users safely prepare prompts before sharing them with ChatGPT or other AI assistants.
- detect sensitive information automatically
- highlight risky content
- redact, anonymize or pseudonymize text
- prepare prompts safely before using ChatGPT or other AI assistants
- process text locally without cloud uploads
The application works locally and supports multiple languages.