Privacy Policy

Learn how we collect, use, and protect your information.

The Prompt Index ("we" or "us") respects your privacy. This Privacy Policy explains how we collect, use, disclose, and protect your personal information when you use our free AI prompt resource website. Please read this policy carefully.

Information We Collect

We collect minimal information necessary to provide our services:

Submitted Prompts and Public Discoverability

When you submit a prompt to our platform, we collect and process the following information with your explicit consent:

Legal Basis for Processing

We process your submitted prompts based on your explicit consent (GDPR Article 6(1)(a)). Before submitting a prompt, you must actively consent to making it publicly discoverable. This consent is:

What Public Discoverability Means

When you consent to submit a prompt, it becomes publicly discoverable, which means:

Information We Collect via the Chrome Extension

When you use The Prompt Index Chrome Extension, we may collect the following additional information:

How We Use Your Information

We use your information to:

Data Retention

We retain different types of information for varying periods:

AI-Powered Tools & Third-Party Processing

We offer several AI-powered tools that process your data through third-party services. Below, you'll find detailed information about each tool, what data is processed, and how your privacy is protected.

AI Humanizer Tool

What Data is Sent to OpenAI

When you use our AI Humanizer tool, your input text is sent to OpenAI Inc. (United States) for processing using their GPT language model. This is necessary to provide the humanization service.

🔒 How Your Data is Protected

  • Retention: OpenAI retains API data for 30 days (abuse prevention only), then permanently deletes it
  • Training: OpenAI does NOT use API data to train or improve their models
  • Security: All data transfers use TLS 1.3 encryption
  • Location: Data is processed in OpenAI's US data centers

Legal Basis for International Transfer (UK/EU to USA)

We transfer your data to OpenAI in the United States based on:

Your Rights Regarding OpenAI Processing

You can:

OpenAI's Privacy Policy: openai.com/policies/privacy-policy
OpenAI's API Data Usage: openai.com/policies/api-data-usage-policies

Data Retention - AI Humanizer

Data Type Retention Period Reason
Humanization History (Basic plan) 30 days (auto-deleted) Service feature
Humanization History (Pro plan) Until you delete it Service feature
Usage statistics 13 months Subscription management
OpenAI processing 30 days (abuse prevention) OpenAI API policy
Error logs 30 days (auto-deleted) Security & debugging
Consent records 3 years after withdrawal Legal compliance

Prompt Optimizer Tool

What Data is Processed

When you use our Prompt Optimizer tool, the following data is processed:

🔒 Data Storage & Privacy

  • Your prompts are NOT stored: We do not save your input prompts or optimized outputs to our servers
  • Local browser storage only: Prompt history (last 10) is stored locally in your browser for convenience - you can clear this anytime
  • OpenAI retention: OpenAI retains API data for 30 days (abuse prevention only), then permanently deletes it
  • No training use: OpenAI does NOT use Prompt Optimizer data to train or improve their models
  • Encryption: All data transfers use TLS 1.3 encryption

Legal Basis for International Transfer (UK/EU to USA)

We transfer your prompt data to OpenAI in the United States based on:

Your Rights

You can:

OpenAI's Privacy Policy: openai.com/policies/privacy-policy
OpenAI's API Data Usage: openai.com/policies/api-data-usage-policies

Data Retention - Prompt Optimizer

Data Type Retention Period Reason
Input prompts Not stored (processed in real-time only) Privacy by design
Optimized outputs Not stored (processed in real-time only) Privacy by design
Browser history (optional) Until you clear browser data Convenience feature (local storage)
Usage statistics 13 months Tier limit enforcement
OpenAI processing 30 days (abuse prevention) OpenAI API policy
Error logs 30 days (auto-deleted) Security & debugging
Consent records 3 years after withdrawal Legal compliance

Persona Studio Tool

What Data is Collected and Processed

When you use our Persona Studio tool, we collect and process the following data:

🔒 How Your Data is Protected

  • Retention: OpenAI retains API data for 30 days (abuse prevention only), then permanently deletes it
  • Training: OpenAI does NOT use API data to train or improve their models
  • Security: All data transfers use TLS 1.3 encryption
  • Location: Chat messages are processed in OpenAI's US data centers; chat history stored on our UK servers
  • Chat History: Stored while your account is active; automatically deleted after 24 months of inactivity
  • Guest Users: Non-logged-in users' chat messages are NOT stored in our database - conversations exist only during the browser session

Legal Basis for International Transfer (UK/EU to USA)

We transfer your chat data to OpenAI in the United States based on:

Your Rights Regarding Persona Studio

You can:

OpenAI's Privacy Policy: openai.com/policies/privacy-policy
OpenAI's API Data Usage: openai.com/policies/api-data-usage-policies

Guest Users (Not Logged In)

Important: If you use Persona Studio without logging in:

Public Persona Submission

When you submit a persona for public approval, you consent to:

Note: You can set personas to "private" instead of submitting for public approval. Private personas are only visible to you and do not require publication consent.

Data Retention - Persona Studio

Data Type Retention Period Reason
Chat history (logged-in users) While account is active; auto-deleted after 24 months of inactivity Service feature
Chat messages (guest users) Not stored (session only) Privacy by design
Personas (private) Until you delete them Service feature
Personas (public/approved) Until you delete them or account deletion Public service feature
Usage statistics 13 months Tier limit enforcement
OpenAI processing 30 days (abuse prevention) OpenAI API policy
Error logs 30 days (auto-deleted) Security & debugging
Consent records 3 years after withdrawal Legal compliance

Special Category Data Warning

⚠️ Important Privacy Notice

Do NOT share sensitive personal information in chats, including:

  • Health or medical information
  • Racial or ethnic origin
  • Political opinions
  • Religious beliefs
  • Trade union membership
  • Genetic or biometric data
  • Sexual orientation

If you share such data, it will be processed under your explicit consent (GDPR Article 9).

Voice Recorder & Transcription Tool

What Data is Collected and Processed

When you use our Voice Recorder tool, we collect and process the following data:

🔒 How Your Data is Protected

  • Retention: OpenAI retains audio data for 30 days (abuse prevention only), then permanently deletes it
  • Training: OpenAI does NOT use your recordings to train or improve their models
  • Security: All data transfers use TLS 1.3 encryption
  • Location: Audio processing occurs in OpenAI's US data centers; transcriptions stored on our UK servers
  • Guest users: Recordings automatically deleted after 24 hours
  • Basic plan users: Recordings automatically deleted after 30 days
  • Pro plan users: Recordings retained until you delete them

Legal Basis for International Transfer (UK/EU to USA)

We transfer your audio data to OpenAI in the United States based on:

Guest Users (Not Logged In)

Important: If you use Voice Recorder without logging in:

To save your recordings permanently, please create a free account.

Your Rights Regarding Voice Recorder

You can:

OpenAI's Privacy Policy: openai.com/policies/privacy-policy
OpenAI's API Data Usage: openai.com/policies/api-data-usage-policies

Data Retention - Voice Recorder

Data Type Retention Period Reason
Audio files (guest users) 24 hours (auto-deleted) GDPR data minimization
Recordings & transcriptions (Basic plan) 30 days (auto-deleted) Service feature
Recordings & transcriptions (Pro plan) Until you delete them Service feature
Usage statistics 13 months Tier limit enforcement
OpenAI processing 30 days (abuse prevention) OpenAI API policy
Error logs 30 days (auto-deleted) Security & debugging
Consent records 3 years after withdrawal Legal compliance

Special Category Data Warning

⚠️ Important Privacy Notice

Do NOT record sensitive personal information, including:

  • Health or medical information
  • Racial or ethnic origin
  • Political opinions
  • Religious beliefs
  • Trade union membership
  • Genetic or biometric data
  • Sexual orientation

If you record such data, it will be processed under your explicit consent (GDPR Article 9).

Prompt Builder Tool

What Data is Collected and Processed

When you use our Prompt Builder tool, we collect and process the following data:

🔒 How Your Data is Protected

  • Workflow storage: Workflows are saved to sync across your devices and enable collaboration features
  • OpenAI retention: OpenAI retains AI Fill data for 30 days (abuse prevention only), then permanently deletes it
  • Training: OpenAI does NOT use API data to train or improve their models
  • Security: All data transfers use TLS 1.3 encryption
  • OpenRouter (Optional): Your API key is stored only in your browser session and deleted when you log out
  • Activity logging: Only collected with your explicit consent and can be withdrawn at any time

How We Use This Data

International Data Transfers

OpenAI (United States): When you use the AI Fill feature, your workflow description and structure are sent to OpenAI's servers in the United States. This processing is covered by:

Important: OpenAI does not use your data to train their models.

OpenRouter (United States) - Optional: If you connect your OpenRouter account, test prompts are sent to OpenRouter's API in the United States. This is optional and only occurs when you explicitly test prompts. Your OpenRouter API key is stored only in your browser session and deleted when you disconnect or close your browser.

Your Rights Regarding Prompt Builder

You can:

Third-Party Processors

Data Retention - Prompt Builder

Data Type Retention Period Reason
Workflows While account is active and 90 days after account deletion Service feature & recovery period
Activity logs 12 months Security purposes
Share records While share link is active and 30 days after expiration Collaboration feature
OpenRouter API key Deleted immediately when you disconnect or close browser session Privacy by design (browser-only storage)
OpenAI processing (AI Fill) 30 days (abuse prevention) OpenAI API policy
Consent records 3 years after withdrawal Legal compliance

StyleForge - CSS Framework Generator

What Data is Collected and Processed

When you use our StyleForge tool (login required), we collect and process the following data:

🔒 How Your Data is Protected

  • No content storage: We do NOT save your prompts or generated HTML/CSS code to our servers
  • Session-only processing: Generated frameworks exist only in your browser during the session
  • OpenAI retention: OpenAI retains API data for 30 days (abuse prevention only), then permanently deletes it
  • No training use: OpenAI does NOT use your design descriptions to train or improve their models
  • Encryption: All data transfers use TLS 1.3 encryption
  • Privacy by design: Generated code is NOT stored server-side - only usage counts are tracked

Legal Basis for International Transfer (UK/EU to USA)

We transfer your design prompts to OpenAI in the United States based on:

Your Rights Regarding StyleForge

You can:

Note: Since StyleForge does not store your generated designs, there is no design history to delete. Once you close your browser, the generated frameworks are permanently lost unless you download them.

OpenAI's Privacy Policy: openai.com/policies/privacy-policy
OpenAI's API Data Usage: openai.com/policies/api-data-usage-policies

Data Retention - StyleForge

Data Type Retention Period Reason
Design prompts Not stored (processed in real-time only) Privacy by design
Generated HTML/CSS Not stored (browser session only) Privacy by design
Custom settings Not stored (processed in real-time only) Privacy by design
Usage statistics Retained indefinitely while account is active Tier limit enforcement
OpenAI processing 30 days (abuse prevention) OpenAI API policy
Error logs 30 days (auto-deleted) Security & debugging
Consent records 3 years after withdrawal Legal compliance

Important Privacy Notice

💡 Data Minimization

StyleForge is designed with privacy-first principles. Your creative work (prompts and generated designs) is NEVER stored on our servers. This means:

  • No design history to browse or manage
  • No risk of unauthorized access to your creative work
  • Generated designs exist only during your browser session
  • Remember to download your designs before closing your browser!

AI Writing Assistant Tool

Data We Collect

How We Use Your Data

AI Provider Information

We use OpenAI (GPT models) to power this tool. Key points:

Data Storage & Location

Data Retention

Your Rights

Security Measures

Consent

Before using AI features, you must explicitly consent to:

You can withdraw consent at any time in your account settings, which will disable AI features but preserve your documents.

AI Labs / AI Playground

What This Tool Does

AI Labs allows you to connect your personal OpenRouter account to test and compare different AI models. You authenticate directly with OpenRouter using their OAuth system.

Data We Process

Data Type Purpose Storage Location Retention
OpenRouter API Key To make requests on your behalf Server session (encrypted) Until logout or session expiry
Prompts & Messages To send to AI models via OpenRouter Browser memory only (not stored on our servers) Cleared on page refresh
Model Parameters To configure AI responses Browser memory only Cleared on page refresh
Consent Record To demonstrate your agreement Our database (UK servers) Until you withdraw consent or delete account

Data Flow

When you send a prompt:

  1. Your prompt is sent from your browser to our UK-based servers
  2. Our server forwards the prompt to OpenRouter (US-based) using your API key
  3. OpenRouter processes the request with your chosen AI model
  4. The response returns through our server to your browser
  5. We do not store your prompts or responses - they exist only in transit and in your browser memory

Third-Party Data Sharing

Your prompts are transmitted to:

International Data Transfers

Your prompts are transferred to OpenRouter in the United States. This transfer is necessary to provide the service and is covered by:

Legal Basis for Processing (GDPR)

Your Rights for This Tool

What We Don't Do

PDF OCR Tool

When you use our PDF text extraction (OCR) tool, we process your data as follows:

Data We Collect

Data Type Purpose Retention Legal Basis
Uploaded PDF files Text and image extraction Deleted within 60 minutes Consent
Extracted text and images Providing download to you Deleted within 60 minutes Consent
Usage records (anonymized) Rate limiting, service improvement 6 months Legitimate interest

Third-Party Processing

Your uploaded PDF files are sent to Mistral AI (based in France, EU) for OCR processing. Mistral AI:

International Transfers

Your data may be transferred from the UK to the EU (France) for processing by Mistral AI. This transfer is protected by the UK adequacy decision for the EU, meaning the EU is recognized as providing adequate data protection standards.

Your Rights for OCR Data

You can:

To exercise these rights, contact us at [your email] or use the consent management options in your account settings.

Data Security

AI Agent Rooms

What Data We Collect

When you use AI Agent Rooms, we collect and process:

How We Process Your Data

Data Type Processing Activity Legal Basis
Persona prompts & messages Sent to OpenAI for AI response generation Consent (Article 6(1)(a) UK/EU GDPR)
Knowledge files Uploaded to OpenAI, converted to vector embeddings for retrieval Consent (Article 6(1)(a) UK/EU GDPR)
Conversations Stored in our UK database for your continued access Contract performance (Article 6(1)(b) UK/EU GDPR)

Third-Party AI Processing (OpenAI)

AI Agent Rooms uses OpenAI's API to power AI responses. When you use this tool:

OpenAI's privacy practices: OpenAI Privacy Policy

International Data Transfers

Your data is transferred to the United States (OpenAI) under:

These mechanisms ensure your data receives adequate protection when transferred outside the UK/EEA.

Data Retention

Your Rights for This Tool

You can exercise the following rights directly within the tool:

For data export requests or complete account deletion, contact us at [your email].

Stripe Payment Processing

Subscription payments are processed by Stripe Inc. (USA). We do not store your payment card details on our servers. Stripe processes payments on our behalf under their Data Processing Agreement.

Stripe's Privacy Policy: stripe.com/privacy

Legal Basis for Processing

We process your personal information on the following legal grounds:

Information Sharing

We do not sell, rent, or trade your personal information. We only share your information in the following limited circumstances:

Cookie Usage

We use cookies to:

Your Rights Under UK GDPR

As a data subject, you have the following rights:

1. Right of Access (Article 15)

What it means: You can request a copy of all your personal data.

How to exercise: In the AI Humanizer History panel, click the download icon to export your data as JSON.

2. Right to Erasure / "Right to be Forgotten" (Article 17)

What it means: You can request deletion of your personal data.

How to exercise: In the AI Humanizer History panel, use the trash icon to delete individual items or all history. In Persona Studio, use the trash icon in chat history or delete personas from My Personas dashboard. For full account deletion, contact us at steve@thepromptindex.com.

3. Right to Withdraw Consent (Article 7(3))

What it means: You can withdraw consent for AI processing or analytics at any time.

Effect: Withdrawing OpenAI consent will prevent use of AI-powered tools (AI Humanizer, Prompt Optimizer, Persona Studio, Prompt Builder, etc.). Withdrawing analytics consent will stop cookie tracking.

How to exercise: Manage consent in your cookie settings or account preferences.

4. Right to Data Portability (Article 20)

What it means: You can receive your data in a machine-readable format (JSON).

How to exercise: Use the export feature in the AI Humanizer History panel or contact us at steve@thepromptindex.com to request export of your Persona Studio data (personas and chat history).

5. Right to Object (Article 21)

What it means: You can object to processing based on legitimate interests.

How to exercise: Contact us at steve@thepromptindex.com.

6. Right to Rectification (Article 16)

What it means: You can correct inaccurate personal data.

How to exercise: Update your account information in account settings.

Response Time: We respond to all rights requests within 1 month. For complex requests, we may extend this by 2 months and will notify you.

Contact for Rights Requests: steve@thepromptindex.com

Security Measures

We protect your data using industry-standard security measures:

Your Rights Regarding Submitted Prompts

For submitted prompts, you have the following specific rights:

To exercise these rights, visit your account dashboard or contact us at steve@thepromptindex.com.

Contact Us

If you have any questions about this Privacy Policy or our practices, please contact us at:

The Prompt Index
Email: steve@thepromptindex.com

Effective Date: March 14, 2025