# Klaron - Czech Language Assistant

> AI assistant for Czech: grammar corrections, translations, and text improvements directly in your browser

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

## Overview

- **ID:** `klaron`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Klaron
- **Category:** feeds-news-blogging,language-support,social-communication
- **Daily users:** 2
- **Version:** 1.0.0
- **Last updated:** 2025-12-22
- **First published:** 2025-12-19
- **Size:** 73 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/klaron/)
- **Website:** [https://klaron.cz](https://klaron.cz/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/klaron/privacy/](https://addons.mozilla.org/firefox/addon/klaron/privacy/)

## Description

<strong>The first AI assistant for Czech grammar integrated directly into your browser.</strong>

Klaron helps you write better, faster, and with confidence – whether you're composing emails, LinkedIn posts, or social media messages. Everything works right where you write.

✨ Key Features

<strong>📝 Advanced Grammar Checking</strong>
  - Automatic detection of typos and grammatical errors
  - Catches complex errors that traditional tools miss
  - Style and clarity checking

<strong>🎨 Intelligent Text Rewriting</strong>
  - Change tone (formal ↔ informal)
  - Automatic switching between formal and informal address
  - Shorten or expand text
  - Improve style and phrasing

<strong>🌍 Context-Aware Translation</strong>
  - 4 languages: Czech, Slovak, English, German
  - AI understands context and preserves nuance
  - Text sounds natural and professional

## 🚀 How It Works
<ol><li>Install the extension (takes seconds)</li><li>Sign up for free and connect your account</li><li>Klaron icon appears in text fields</li><li>Or select text and right-click</li><li>Choose an action and let AI improve your text</li></ol>
<strong>PRO TIP:</strong> Press <code>Alt + J</code> for instant access

💡 Where Klaron Works

Automatically on hundreds of websites:
  - <strong>Email:</strong> Gmail, Seznam, Centrum, Outlook
  - <strong>Professional:</strong> LinkedIn, Slack, Teams
  - <strong>Social Media:</strong> Facebook, WhatsApp, Twitter, Instagram
  - <strong>Productivity:</strong> Google Docs, Notion, Confluence

💎 Pricing Plans

<strong>🆓 FREE</strong> – 10,000 tokens/month, no credit card required
  <strong>⭐ STARTER</strong> – 99 CZK/month (~$4), 100,000 tokens
  <strong>🚀 UNLIMITED</strong> – 299 CZK/month (~$13), unlimited usage

🔒 Privacy

✓ GDPR compliant
  ✓ Encrypted connection
  ✓ We don't store full documents
  ✓ Delete your data anytime

Start writing better – try Klaron free! 🚀

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/a64be5cd4de903ebe68155abce68bdd4ae9d0868c94119e28affbc276216e950/https%3A//klaron.cz" rel="nofollow">https://klaron.cz</a>

## Rankings

- #69,090 — Overall
- #171 — grammar

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `clipboardWrite`
- `contextMenus`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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/klaron)