WORKS ON ANY WEBSITE

AI SUPERPOWERS
EVERYWHERE

Select text, press Alt+A, get instant AI enhancements. Grammar fixes, rewrites, replies, explanations — and more.

Install Free Extension →Watch Demo
Free plan available
Works on any website
BYOK for privacy
Local Mode (in-browser AI)
x.com
t
@travelbuddy

Just landed in SF! The weather here is amazing ☀️

CORE FEATURES

NINE ACTIONS.
INFINITE POSSIBILITIES.

Access the radial menu with Alt+A or right-click any selected text.

💡

EXPLAIN

Get first-principles explanations of any text, concept, or technical jargon

Turn complex docs into simple explanations
Alt+A → Explain
📝

FIX GRAMMAR

Correct spelling, grammar, and punctuation while preserving meaning and tone

"The quick brown fox jump" → "The quick brown fox jumps"
Alt+A → Fix
💬

SMART REPLY

Generate thoughtful responses with selectable tone — professional, casual, creative

Instant context-aware replies for emails, DMs, posts
Alt+A → Reply
✏️

REWRITE

Transform text into different styles with 9+ built-in tones and custom options

Professional, casual, technical, academic, humorous...
Alt+A → Rewrite
📏

SHORTEN

Condense text to essential points without losing key information

Turn a paragraph into a punchy one-liner
Alt+A → Shorten
📖

EXPAND

Add more detail, depth, and context to brief notes or outlines

Flesh out bullet points into full paragraphs
Alt+A → Expand
PRO
🖼️

IMAGE ANALYSIS

Analyze screenshots, solve visual problems, explain diagrams — Pro only

Alt+S to capture, then Solve/Explain/Summarize
Alt+S
📊

DIAGRAM

Generate Mermaid diagrams from text — flowcharts, mindmaps, ERDs, and 20+ types

Turn process descriptions into visual diagrams
Alt+A → Diagram
NEW
🧠

LOCAL MODE

Run AI entirely in your browser with WebGPU. Zero data leaves your device.

Free: 3B models
Settings → Local
💡

EXPLAIN

Get first-principles explanations of any text, concept, or technical jargon

Turn complex docs into simple explanations
Alt+A → Explain
📝

FIX GRAMMAR

Correct spelling, grammar, and punctuation while preserving meaning and tone

"The quick brown fox jump" → "The quick brown fox jumps"
Alt+A → Fix
💬

SMART REPLY

Generate thoughtful responses with selectable tone — professional, casual, creative

Instant context-aware replies for emails, DMs, posts
Alt+A → Reply
✏️

REWRITE

Transform text into different styles with 9+ built-in tones and custom options

Professional, casual, technical, academic, humorous...
Alt+A → Rewrite
📏

SHORTEN

Condense text to essential points without losing key information

Turn a paragraph into a punchy one-liner
Alt+A → Shorten
📖

EXPAND

Add more detail, depth, and context to brief notes or outlines

Flesh out bullet points into full paragraphs
Alt+A → Expand
PRO
🖼️

IMAGE ANALYSIS

Analyze screenshots, solve visual problems, explain diagrams — Pro only

Alt+S to capture, then Solve/Explain/Summarize
Alt+S
📊

DIAGRAM

Generate Mermaid diagrams from text — flowcharts, mindmaps, ERDs, and 20+ types

Turn process descriptions into visual diagrams
Alt+A → Diagram
NEW
🧠

LOCAL MODE

Run AI entirely in your browser with WebGPU. Zero data leaves your device.

Free: 3B models
Settings → Local

WHAT MAKES IT UNIQUE

🎯
MULTIPLE VARIANTS
2-4 OPTIONS

See multiple AI versions, pick the best one

🔐
BYOK MODE
$49 LIFETIME

Use your API keys with any AI model. Maximum privacy. Zero vendor lock-in.

🌐
WORKS EVERYWHERE
ANY WEBSITE

Works on any website with text. Use Alt+S to capture screenshots for visual content.

⚡
CUSTOM ACTIONS
YOUR PROMPTS

Set up your own prompts available for quick invoking.

🧠
LOCAL MODE
IN-BROWSER AI

Run AI on your device. Free: 3B models.

📊
MERMAID DIAGRAMS
VISUAL DIAGRAMS

Generate flowcharts, mindmaps, ERDs and 20+ diagram types from text

DEAD SIMPLE

HOW IT WORKS

Quick actions within your radial menu.

01
📥

INSTALL

Add extension from Chrome Web Store. Takes 10 seconds.

02
✂️

SELECT

Highlight any text on any webpage — emails, posts, docs, anything.

03
⌨️

ACTIVATE

Press Alt+A or right-click to open the radial menu.

04
🎯

CHOOSE

Pick an action: Fix Grammar, Rewrite, Reply, Explain, and more.

05
👀

REVIEW

See 2-4 AI-generated variants side by side. Compare and pick.

06
✓

INSERT

Click to replace original text or copy to clipboard. Done!

✕
💡Explain
📝Fix
💬Reply
✏️Rewrite
📏Shorten
📖Expand
📊Diagram
✨Custom
Alt+A

SIMPLE AS THAT.

No more copy-pasting to ChatGPT. No extra apps. No complicated setup.
Select → Alt+A → Choose the best result. Done.

Install Free →See Pricing
PRICING

SIMPLE. TRANSPARENT.

Start free. Upgrade when you need more. Or own your infrastructure with BYOK.

FREE

$0forever
Daily
10
Variants
1
  • 10 calls/day
  • 1 AI variant
  • 3k char limit
  • 3 custom actions
  • Mermaid diagrams
  • Local Mode (3B models)
  • Image analysis
Download Free →
POPULAR

PRO

$19.99/month
Daily
30x
Variants
4
  • 30x usage
  • 4 AI variants
  • 30k char limit
  • Unlimited custom actions
  • Image analysis (Alt+S)
  • Mermaid diagrams
  • Local Mode (all models)
DEAL

BYOK

$59$49lifetime
Daily
∞
Variants
4
  • Unlimited calls
  • 4 AI variants
  • 50k char limit
  • Your own API keys
  • Image analysis (direct)
  • Local Mode (all models)
  • Maximum privacy

FEATURE COMPARISON

FeatureFreeProBYOK
Daily Usage
1030x∞
AI Variants
144
Character Limit
3,00030,00050,000
Custom Actions
3UnlimitedUnlimited
Image Analysis
Solving • Explanation • OCR • More • Custom
—✓✓
Mermaid Diagrams
Mindmaps • ERD • Flowcharts • More
✓✓✓
Local Mode
In-browser AI • WebGPU • Chrome/Edge
Up to 3BAll modelsAll models
Local Mode uses WebGPU and requires Chrome 113+ or Edge 113+
FAQ

QUESTIONS?
ANSWERS.

LLM Hotkey is a browser extension that supercharges text editing with AI. Select any text on any website, press Alt+A, and get instant AI-powered enhancements — grammar fixes, rewrites, replies, explanations, and more. It works on Gmail, Twitter/X, Slack, LinkedIn, GitHub, Notion — any website with text.
LLM Hotkey currently supports Google Chrome and Microsoft Edge. Both are Chromium-based browsers that support Manifest V3 extensions. Firefox support is planned for a future release.
Yes! LLM Hotkey works anywhere you can select text: Gmail, Twitter, LinkedIn, Slack, Google Docs, GitHub, Notion, Discord — any website with text fields or content-editable areas. Just highlight text, press Alt+A or right-click, and choose your action.
Unlike ChatGPT, LLM Hotkey works in-place — no tab switching or copy-pasting needed. Unlike Grammarly which only fixes grammar, LLM Hotkey also rewrites in custom styles, generates replies with tone selection, explains complex text, and offers 2-4 AI variants for each action. Plus, BYOK mode gives you complete privacy.
Free tier has 10 calls/day. When you hit the limit, you'll see an upgrade prompt. Pro ($19.99/mo) gives 30x usage (300 calls/day), and BYOK ($49 lifetime) gives unlimited usage with your own API keys.

KEYBOARD SHORTCUTS

Alt+A

Open radial menu

Alt+S

Screenshot & analyze

Esc

Close menu/modal

STILL HAVE QUESTIONS?

Email us at [email protected]

We typically respond within 24 hours.