Last updated 07-25-2026
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Wandpen
Wandpen is a Chrome extension that brings AI writing, grammar fixes, brainstorming, and page chat to any website. Press Option+W on Mac or Alt+W on Windows to open it in place, then rewrite text, translate content, summarize pages, or ask questions about what you are reading without switching tabs.
The free tier runs unlimited local writing through Gemini Nano offline, includes 100 cloud generations per month with GPT-5 nano, and offers on-device voice-to-text transcription. Pro unlocks unlimited cloud writing with models like GPT-5.4, Claude 4.6 Sonnet, and Gemini 2.5 Pro.
Power users can buy a lifetime BYOK license to connect their own OpenAI, Anthropic, Google, OpenRouter, Straico, or compatible API keys with no monthly fees.
Open Wandpen on any website with Option+W or Alt+W to fix grammar, rewrite, translate, or brainstorm
Chat with the current page to summarize articles, answer questions, or draft new content
Use unlimited offline writing with Gemini Nano plus 100 monthly cloud generations on the free plan
Transcribe speech to text on-device in multiple languages without sending audio to the cloud
Connect your own API keys with a one-time BYOK license for OpenAI, Anthropic, Google, and OpenRouter
Works on any website through a Chrome extension without copying text into a separate app.
Free tier includes offline Gemini Nano writing and on-device transcription.
BYOK lifetime license supports multiple AI providers for power users.
Requires Google Chrome; not available as a standalone desktop or mobile app.
Cloud model access beyond the free allowance requires a Pro subscription or BYOK setup.
Is Wandpen free?
Yes. Wandpen offers a free plan with unlimited Gemini Nano writing, 100 GPT-5 nano generations per month, and unlimited on-device voice transcription. No signup is required for local features.
Where does Wandpen work?
Wandpen is a Chrome extension that works on any website, including Google Docs, Gmail, and other web apps where you write or read content.
What is Wandpen BYOK?
BYOK (Bring Your Own Key) is a one-time lifetime license that lets you use your own API keys from OpenAI, Anthropic, Google, Straico, OpenRouter, and other compatible providers with no monthly subscription.
What keyboard shortcut opens Wandpen?
Press Option+W on Mac or Alt+W on Windows and Linux to open Wandpen instantly from any tab.
How is Wandpen different from Grammarly?
Wandpen combines grammar and rewriting tools with page chat, custom prompts, offline Gemini Nano writing, and optional BYOK access to multiple AI models beyond a single writing assistant.