# PromptMate

> Privacy-first AI toolkit: mask sensitive data before pasting, enhance prompts, and manage reusable prompt snippets.Privacy-first AI toolkit: mask sensitive data before pasting, enhance prompts, and manage reusable prompt snippets.

Canonical page: [https://chrome-stats.com/d/promptmate](https://chrome-stats.com/d/promptmate)

## Overview

- **ID:** `promptmate`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Abi
- **Category:** privacy-security,search-tools
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2026-05-21
- **First published:** 2026-05-18
- **Size:** 34 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/promptmate/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/promptmate/privacy/](https://addons.mozilla.org/firefox/addon/promptmate/privacy/)

## Description

PromptMate is a privacy-first productivity extension for anyone who uses AI chat tools like ChatGPT, Claude, Gemini, or any other AI interface.

🔒 PII Masker
Automatically masks emails, phone numbers, and any custom terms you define before you paste text into an AI chat. Your sensitive data never leaves your browser — masking happens entirely on-device.

✨ Prompt Enhancer
Right-click any AI chat input field and select "Enhance prompt with PromptMate" to instantly rewrite your draft into a clearer, more effective prompt using Google's Gemini API. You use your own API key — your text goes directly from your browser to Google, never through our servers.

📚 Prompt Library
Save and manage reusable prompts. Insert them in one click from the popup — perfect for recurring tasks, templates, or workflows.

⚙️ Allowed Sites
Control exactly which domains PII masking is active on. You decide where the extension runs.

🛡️ Privacy by design
No accounts. No analytics. No telemetry. Everything is stored locally in your browser. Uninstalling the extension deletes all your data.

How to get started:
1. Click the PromptMate icon to open the popup
2. Add your custom PII terms in Settings
3. Optionally add a free Gemini API key from <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/d92eca18dbdae2bd1197b3bef7ff8a899a04f8c0094bf2703085ab4e1e03d437/http%3A//aistudio.google.com" rel="nofollow">aistudio.google.com</a> to enable prompt enhancement
4. Start pasting — your data stays yours

## Rankings

- #103,836 — Overall
- #139 — prompt
- #231 — uninstall

## Permissions and access

### Permissions

- `storage`
- `contextMenus`

### Host permissions

- `<all_urls>`
- `https://generativelanguage.googleapis.com/`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/promptmate)