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Privacy Policy

Last updated: February 26, 2026

Introduction

slicer.dev ("we", "our", or "us") respects your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website, Chrome extension, and related services (collectively, the "Service"). Please read this policy carefully.

Our commitment: We collect only what we need to provide and improve the Service. We do not sell your data, we do not use it for advertising, and we never use analytics to identify or profile individuals. Both our website and Chrome extension collect anonymous usage analytics to help us improve the product, but the extension never tracks your browsing history or captures page content in the background. Where we capture usage data, it is anonymized. Your privacy is safe with us.

Information We Collect

We collect different types of information depending on how you use the Service.

  • Account information: If you create an account, we collect your email address, name, and any profile details you provide.
  • Website analytics: On our website (slicer.dev), we capture anonymized pageviews, clicks, and feature interactions to improve the user experience. This includes anonymized device and browser information. No personal identifiers (names, emails) are collected by our analytics.
  • Extension usage analytics: The Chrome extension collects anonymous interaction events to help us improve the product — for example, which features are used, which export formats are chosen, and whether operations succeed or fail. Each event includes an anonymous session identifier and the extension version. No URLs, page content, browsing history, or personal information is included in these events.
  • Content you create: Slices, exports, and other content you save or generate through the Service may be stored and processed to provide the Service.

Data Collected by the Chrome Extension

The Chrome extension does not collect data in the background and never monitors your browsing activity. It collects data in two categories:

Anonymous usage analytics

The extension sends anonymous usage events (via PostHog HTTP API) when you interact with its features — for example, activating the extension, selecting an element, choosing an export format, or completing a generation. These events help us understand which features are used and where errors occur so we can improve the product.

To protect your privacy, the extension enforces a strict block-list that prevents the following from ever being included in analytics events: URLs, page URLs, hostnames, page content, HTML, CSS, email addresses, and names. Events contain only an anonymous identifier (a random UUID stored locally in the extension), a session identifier, and the extension version number. After you sign in, the anonymous identifier may be linked to your account ID (an opaque UUID, not your email or name) so we can understand usage patterns across sessions.

Slice data (on explicit use only)

  • Page content: When you select a UI component to slice, the extension captures the HTML structure, CSS styles, and a screenshot of that component. This data is sanitized and anonymized before being sent to our servers solely for AI code generation.
  • Privacy sanitization: Before sending captured content, the extension automatically strips potentially sensitive information including email addresses, authentication tokens, phone numbers, credit card patterns, and hidden form values.

What We Do NOT Collect

  • We do not track your browsing history
  • We do not collect data from pages you visit unless you explicitly activate the extension and use Slice
  • We do not inject ads or tracking scripts into webpages
  • We do not sell or share personal data with advertisers
  • We do not use analytics data for advertising, profiling, or any purpose other than improving the Service

How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve the Service
  • Authenticate users and manage accounts
  • Process payments and manage subscriptions (where applicable)
  • Send you service-related notifications and support
  • Analyze anonymized usage data from our website and extension to improve the product experience
  • Comply with legal obligations and enforce our terms

Cookies and Similar Technologies

Website: We use cookies and local storage on our website to maintain sessions, remember preferences, and measure anonymized usage (via PostHog). You can control cookie settings through your browser; disabling certain cookies may affect website functionality.

Chrome extension: The extension does not use cookies. It stores a single anonymous identifier (a random UUID) in chrome.storage.local for usage analytics. This identifier cannot track you across websites and is used solely to group anonymous usage events within the extension.

Third-Party Services

We use the following third-party services. Each has its own privacy policy; we encourage you to review them:

  • Supabase (authentication, database): Stores your account information and usage data. Privacy Policy
  • Stripe (payment processing): Processes subscription payments. We do not store your payment card details. Privacy Policy
  • OpenRouter (AI processing): When you use Slice, sanitized and anonymized component data is sent to AI models (e.g., Google Gemini, Anthropic Claude) via OpenRouter for code generation. This data is processed transiently and not stored by the AI provider for training. Privacy Policy
  • Vercel (hosting): Our backend infrastructure. Privacy Policy
  • PostHog (product analytics): Website — measures anonymized pageviews, clicks, and feature usage via the PostHog JS SDK. Chrome extension — sends anonymous usage events (feature interactions, export format choices, success/error rates) via PostHog HTTP API. The extension never sends URLs, page content, browsing history, or personal identifiers. Data from both surfaces is used solely for product improvement, never for advertising or profiling. Privacy Policy

Chrome Web Store Compliance

Our use of information received from Chrome APIs adheres to the Chrome Web Store User Data Policy, including the Limited Use requirements:

  • Captured page data is sanitized and anonymized before processing, and used only for AI code generation
  • We do not sell user data or page content to third parties
  • We do not use captured data for advertising or profiling
  • We do not transfer data to third parties except as necessary for AI code generation and anonymous product analytics
  • The extension collects anonymous usage analytics (via PostHog HTTP API) to improve the product. These events contain no URLs, page content, browsing history, or personally identifiable information. A strict block-list prevents sensitive data from being included.

Data Retention

We retain your information for as long as your account is active or as needed to provide the Service, comply with law, resolve disputes, and enforce our agreements. You may request deletion of your data subject to applicable law.

Captured component data (HTML, CSS, screenshots) is processed transiently for AI generation and is not permanently stored after the code is returned to you. Your extraction history (metadata only: timestamp, type, URL domain) is stored in your account so you can view your past extractions.

Your Rights

Depending on your location, you may have rights to access, correct, delete, or port your personal data, or to object to or restrict certain processing. This includes data held by our analytics providers. To exercise these rights, contact us at the email address below.

Security

We implement reasonable technical and organizational measures to protect your information. No method of transmission or storage is completely secure; we cannot guarantee absolute security.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy on this page and updating the "Last updated" date. Your continued use of the Service after changes constitutes acceptance of the updated policy.

Contact Us

If you have questions about this Privacy Policy or our data practices, please contact us at: privacy@slicer.dev