CapAnything is a Chrome Extension that helps you visually select and capture pixel-perfect bounding-box screenshots of one or multiple DOM elements on any website. With built-in AI caption generation, you can instantly turn your captures into ready-to-publish posts for 7 social platforms in 18 languages.
- Pixel-perfect Bounding Boxes: Hover any element and watch a precise bounding box snap to its edges.
- Multi-element Capture: Hold
Shift(or your configured modifier key) to select and capture multiple distinct DOM elements together in a single image. - AI Caption Engine: Connect your Gemini or OpenRouter API key to automatically generate platform-optimized captions with correct hashtags and tone.
- 7 Platforms & 18 Languages: Supports Facebook, Instagram, TikTok, X, LinkedIn, Threads, and Zalo.
- Custom Brand Voice: Configure your brand persona (industry, tone, audience) so the AI writes like your team.
CapAnything is currently available for manual installation:
- Download: Go to the Releases page and download the latest
.zipfile, or clone this repository. - Open Extensions: In Chrome, navigate to
chrome://extensions. - Enable Developer Mode: Turn on the "Developer mode" toggle in the top right corner.
- Install: Drag and drop the downloaded
.zipfile into thechrome://extensionswindow.
- Click the CapAnything extension icon in your toolbar to activate the selection mode.
- Hover over the elements on the page you want to capture.
- Click to select a single element, or hold the modifier key to select multiple.
- Click "Capture" to take the screenshot and open the built-in editor.
- Apply backgrounds, frames, or shadows.
- (Optional) Generate AI captions for your social media platforms.
- Save, copy to clipboard, or download the image!
We welcome contributions! Please see our Contributing Guide for details on how to get started. By participating in this project, you agree to abide by our Code of Conduct.
If you discover a security vulnerability within CapAnything, please refer to our Security Policy for reporting guidelines.
This project is open-sourced software licensed under the MIT license.
If you find this extension helpful and want to support its development, you can buy me a coffee!