Shaper: Vibe code website mods & extensions

Chat to modify websites, build & export extensions, and access AI in a sidebar. Free ChatGPT access or BYO API key.

Shaper is an AI-powered extension that lets you customize any website - no coding required. Ask Shaper to "hide YouTube Shorts", "add dark mode to any site", or "play videos at 1.5x by default" and watch it happen instantly. Browse our library of pre-built modifications or create your own custom tools. ⭐ Get 10 free daily (310 monthly!) credits for ChatGPT-5 Mini, ChatGPT-5 Nano and Qwen3 Coder ⭐ Bring your own API key for unlimited usage ⭐ Import Tampermonkey/Greasemonkey userscripts: Import, run and modify userscripts directly in Shaper ⭐ Export extensions with one click - no developer knowledge needed What you can do with Shaper: 1️⃣ Chat to modify websites and add new functionality 🔹 Add missing features to websites you use daily: "Add an export button", "Make this site dark mode". 🔹 Create browser tools like CSS inspector, Text Editor, Reader Mode, etc. 2️⃣ Export as standalone Chrome Extensions 🔹 Turn any modification into a standalone Chrome extension with one click. 🔹 Share your creations with others or publish them to the Chrome Web Store. 3️⃣ Import, run and modify Tampermonkey/Greasemonkey userscripts in Shaper 🔹 Install userscripts from Greasy Fork and OpenUserJS with one click 🔹 Comprehensive GM API support 4️⃣ Chat with AI that can search the web and is context aware 🔹 Shaper can access page content and search the web to enrich its answers with up-to-date information. 🔹 Use it as your research assistant, fake news detector or for product reviews while you shop. 5️⃣ Improve your writing anywhere 🔹 Select text in any input box, click the Shaper tooltip and ask AI to fix grammar, rewrite, or summarize the text. 🔹 Save your best prompts and access them with a single click. Frequently asked questions: ❓ Can I use Shaper for free? 🔸 Yes! Shaper is completely free with two options: (1) Create a free account to get 10 daily credits with sync across devices, or (2) Bring your own API key. No subscriptions, no hidden fees, no credit card required. ❓ What are daily credits and how do they work? 🔸 Free accounts get 10 daily credits that reset every 24 hours. Credits don't roll over. One credit powers different actions: up to 10 page modifications, up to 20 AI chats, up to 50 writing improvements. You can always use your own API key for unlimited usage. ❓ How does it work? 🔸 Simply describe the change you would like to make to a website and Shaper does the rest.