Privacy Policy for Font Flow – Google Fonts Previewer

Last Updated: February 24, 2026

Overview

Font Flow is a Chrome browser extension that allows users to preview and test Google Fonts on any website. We are committed to protecting your privacy and being transparent about our data practices.

Data Collection

Font Flow does NOT collect, store, or transmit any personal data.

Specifically, we do NOT collect:

External Requests

Font Flow makes requests to the following external service:

These requests are made solely to load the font files required for the preview functionality.

Local Storage

Font Flow may use Chrome's local storage API (chrome.storage) to save your preferences, such as:

This data is stored locally on your device and is never transmitted to any server.

Permissions

Font Flow requests the following browser permissions:

Permission Purpose
activeTab To inject font preview styles into the current tab
scripting To run content scripts that apply font changes
storage To save your font preferences locally
sidePanel To enable the side panel docking feature
host_permissions To work on any website you choose to preview fonts on

Third-Party Services

Font Flow does not use any analytics, tracking, advertising, or telemetry services. The only third-party service used is the Google Fonts API for loading font files.

Changes to This Policy

If we make changes to this privacy policy, we will update the "Last Updated" date above.

Contact

If you have questions about this privacy policy, please open an issue on our GitHub repository.


Font Flow is an open-source project. You can review the complete source code to verify our privacy practices.

# Privacy Policy for Font Flow – Google Fonts Previewer

**Last Updated:** February 24, 2026

## Overview

Font Flow is a Chrome browser extension that allows users to preview and test Google Fonts on any website. We are committed to protecting your privacy and being transparent about our data practices.

## Data Collection

**Font Flow does NOT collect, store, or transmit any personal data.**

Specifically, we do NOT collect:
- Personal information (name, email, address, etc.)
- Browsing history or activity
- Website content or URLs
- Authentication credentials
- Financial or payment information
- Location data
- Health information
- Communication content

## External Requests

Font Flow makes requests to the following external service:

- **Google Fonts API** (`fonts.googleapis.com`) — to download font CSS and font files for preview purposes. No user data is included in these requests.

These requests are made solely to load the font files required for the preview functionality.

## Local Storage

Font Flow may use Chrome's local storage API (`chrome.storage`) to save your preferences, such as:
- Last selected font
- Preferred scope setting (global, headings, body)
- Filter category preferences

This data is stored locally on your device and is never transmitted to any server.

## Permissions

Font Flow requests the following browser permissions:

| Permission | Purpose |
|---|---|
| `activeTab` | To inject font preview styles into the current tab |
| `scripting` | To run content scripts that apply font changes |
| `storage` | To save your font preferences locally |
| `sidePanel` | To enable the side panel docking feature |
| `host_permissions` | To work on any website you choose to preview fonts on |

## Third-Party Services

Font Flow does not use any analytics, tracking, advertising, or telemetry services. The only third-party service used is the Google Fonts API for loading font files.

## Changes to This Policy

If we make changes to this privacy policy, we will update the "Last Updated" date above.

## Contact

If you have questions about this privacy policy, please open an issue on our GitHub repository.

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*Font Flow is an open-source project. You can review the complete source code to verify our privacy practices.*