Klaron - Czech Language Assistant Firefox

Klaron - Czech Language Assistant

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

Features & Capabilities

The first AI assistant for Czech grammar integrated directly into your browser.

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

📝 Advanced Grammar Checking

  • Automatic detection of typos and grammatical errors
  • Catches complex errors that traditional tools miss
  • Style and clarity checking

🎨 Intelligent Text Rewriting

  • Change tone (formal ↔ informal)
  • Automatic switching between formal and informal address
  • Shorten or expand text
  • Improve style and phrasing

🌍 Context-Aware Translation

  • 4 languages: Czech, Slovak, English, German
  • AI understands context and preserves nuance
  • Text sounds natural and professional

🚀 How It Works

  1. Install the extension (takes seconds)
  2. Sign up for free and connect your account
  3. Klaron icon appears in text fields
  4. Or select text and right-click
  5. Choose an action and let AI improve your text
PRO TIP: Press Alt + J for instant access

💡 Where Klaron Works

Automatically on hundreds of websites:

  • Email: Gmail, Seznam, Centrum, Outlook
  • Professional: LinkedIn, Slack, Teams
  • Social Media: Facebook, WhatsApp, Twitter, Instagram
  • Productivity: Google Docs, Notion, Confluence

💎 Pricing Plans

🆓 FREE – 10,000 tokens/month, no credit card required ⭐ STARTER – 99 CZK/month ($4), 100,000 tokens 🚀 UNLIMITED – 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! 🚀

https://klaron.cz

User Growth & Download Statistics

Manifest V3 Add-on
By:
Klaron
Daily users:
2
Version:
1.0.0 Last updated: 2025-12-22
Version code:
6102549
Creation date:
2025-12-19
Risk:
High risk impact Moderate risk likelihood
Permissions:
Content scripts matches:
  • <all_urls>
Size:
73.24KB
Email:
po*****@klaron.cz
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-21
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Klaron
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/klaron/
Email:
po*****@klaron.cz
Website:
https://klaron.cz

Is Klaron - Czech Language Assistant Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Klaron - Czech Language Assistant requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • High ****** ******* *** ********* ********* ******** ***** *** ** ********** ****** * ******** ******* *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Klaron - Czech Language Assistant is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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