AltC.ai: Hotkey-Powered AI Grammar Checker & Rewriter

Use Alt+C (⌥+C on Mac) for AI grammar correction or style changes: ironic, posh, formal, slang, Yoda, Trump & more in many languages

As of June 2026, AltC.ai: Hotkey-Powered AI Grammar Checker & Rewriter has 192 users and a 5.00/5 rating from 76 reviews in the Productivity category.

Productivity

Chrome Web Store ↗.crx

Users+7.3%

192

Rating0%

5.00

76 reviews

Reviews−1.3%

Version

1.0.4

Manifest V3

History

6 snapshots

Tracking since Apr 18, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 18, 2026	179	5.00	77	1.0.4
Apr 27, 2026	178	5.00	76	1.0.4
May 7, 2026	186	5.00	76	1.0.4
May 14, 2026	185	5.00	76	1.0.4
May 23, 2026	191	5.00	76	1.0.4
Jun 2, 2026	195	5.00	76	1.0.4
Now	192	5.00	76	1.0.4

Permissions & access

Permissions: activeTabscriptingstorage
Host access: https://altc.ai/*

Screenshots

AltC.ai: Hotkey-Powered AI Grammar Checker & Rewriter screenshot 1

AltC.ai: Hotkey-Powered AI Grammar Checker & Rewriter screenshot 2

AltC.ai: Hotkey-Powered AI Grammar Checker & Rewriter screenshot 3

About

🚀 One Hotkey, Instant Results
Effortlessly rewrite, translate, and perfect your text with a simple hotkey. Whether you're crafting emails, chatting with friends, or posting on social media, get the results you need in seconds.

✨ What Makes AltC.ai Special
 ⌨️ Simple Hotkey Workflow – Just select text and press Alt+C (⌥+C on Mac) 
 🎭 Multiple AI Styles – Professional, casual, sarcastic, Yoda, Trump, academic, and many more
 📝 Grammar Fixes with Explanations – Automatically corrects errors and explains why changes were made
 🌍 Multi-Language Support – Works in dozens of languages
 🖥️ Works on Major Websites – Compatible with popular platforms and text fields
 💸 No Charges So Far – Enjoy all features completely free

📖 How It Works
 1️⃣ Select any text on supported websites
 2️⃣ Press Alt+C (⌥+C on Mac) to transform text instantly
 3️⃣ Press Alt+A (⌥+A on Mac) to open AltC.ai Studio — unlock editing, rephrasing, style adaptation, grammar analysis, and translation in one place

🎯 Perfect For
 📱 Social Media – Facebook, LinkedIn, Twitter, Reddit
 👥 Team Communication – Slack, Discord, Microsoft Teams
 ✉️ Email & Messaging – Gmail, Outlook, WhatsApp Web, Telegram Web
 📑 Document Editing – Google Docs, online forms
 💬 Chat Platforms & Comments – Anywhere you type!

Whether you need to sound more professional for work emails, add humor to social posts, or ensure perfect grammar in important documents, AltC.ai is your intelligent writing companion.
Start writing better today – your perfect text is just one hotkey away! ✨