✓Alt+A → Fix Grammar

AI Grammar Checker & Fixer

Fix grammar, spelling, and punctuation errors instantly. Select your text, press Alt+A, and see corrections highlighted with diff view.

Install Free ExtensionSee How It Works
Selected Text
Their going to the meeting tommorrow, but they dont have there presentation ready yet. Its going to be a long day.
Alt+A→
AI ResultVariant 1
They're going to the meeting tomorrow, but they don't have their presentation ready yet. It's going to be a long day.

What AI Grammar Fixer Does

AI Grammar Fixer identifies and corrects grammatical errors, spelling mistakes, punctuation issues, and common writing mistakes. Unlike basic spell checkers, it understands context to fix homophones, subject-verb agreement, and sentence structure.

When to Use AI Grammar Fixer

✓Proofreading emails before sending
✓Polishing documents and reports
✓Checking social media posts
✓Reviewing professional communications
✓Correcting non-native English writing
✓Final review before publishing content

Multiple AI Variants

Get up to 4 different options to choose from

Input
Their going to the meeting tommorrow, but they dont have there presentation ready yet. Its going to be a long day.
Variant 1
They're going to the meeting tomorrow, but they don't have their presentation ready yet. It's going to be a long day.
Variant 2
They're going to the meeting tomorrow, but they don't have their presentation ready yet. It's going to be a long day.
Variant 3
They're heading to the meeting tomorrow, but they don't have their presentation ready yet. It's going to be a long day.

Key Features

✓

Contextual Corrections

Fixes homophones (their/they're/there) based on context, not just spelling.

✓

Diff Highlighting

See exactly what changed with strikethrough for removed text and highlighting for additions.

✓

Punctuation Polish

Corrects comma splices, apostrophe errors, and other punctuation issues.

✓

Sentence Structure

Fixes run-on sentences, fragments, and awkward phrasing.

✓

Style Preservation

Maintains your voice and intent while fixing technical errors.

⭐

Multi-Language Support (Pro)

Grammar checking optimized for multiple English variants (US, UK, AU).

How It Works

1

Select text

Highlight any text on any webpage

2

Press Alt+A

Open the command palette instantly

3

Pick & Insert

Choose from AI variants, click to insert

Keyboard shortcuts:Alt+AmenuAlt+Sscreenshot

Frequently Asked Questions

LLM Hotkey provides grammar fixing as one of many AI features. While Grammarly is grammar-focused, LLM Hotkey also offers reply generation, text expansion, summarization, image analysis, and custom actions—all with one keyboard shortcut.

Related Features

🔄

AI Text Rewriter

Transform your text into different styles and tones. Select any text, press Alt+...

📧

Gmail

Write professional emails in seconds. Select any text in Gmail, press Alt+A, and...

📄

Google Docs

Transform your document writing workflow. Select any text in Google Docs, press ...

💡

AI Explainer

Understand anything with AI-powered explanations. Select complex text, press Alt...

Perfect Grammar, Every Time

Catch errors before they catch attention. Fix grammar instantly with one shortcut.

Install Free ExtensionSee Pricing

Free forever plan available. No credit card required.