About PreviewPane
We are committed to providing developers with the best code preview and sharing tools
Making code display elegant, making knowledge sharing simple
Product Mission
PreviewPane is a web-based code editing and image export tool designed specifically for front-end developers, designers, and educational scenarios. Our goal is to allow users to easily edit HTML + CSS code in the browser, preview running effects in real-time, and finally export as high-quality image files.
Core Features
Professional functions designed based on requirement documents to meet developers' actual needs
EditorPanel
Supports HTML + CSS code editing with syntax highlighting, uses monospaced fonts, provides default sample code
PreviewPanel
Real-time rendering of HTML + CSS, WYSIWYG, page display effects completely consistent with exported images, does not execute JavaScript
Export Code Images
Renders code in EditorPanel into images, maintaining original editor styles (background, fonts, borders, rounded corners)
Export Running Effects
Export PreviewPanel rendered effects as PNG, ensuring images completely match page effects
Multiple Export Styles
Supports Default, Card, macOS style, Terminal style four different export style themes
Responsive Design
Mobile top-bottom layout, desktop left-right layout responsive design, built with TailwindCSS
Technical Architecture
前端技术栈：Front-end Technology Stack: PreviewPane is built on modern Web technologies, using React + Next.js framework, TailwindCSS for rapid style development and responsive layout, Monaco Editor provides professional code editing experience.
核心实现：Core Implementation: Editor saves code state through useState, PreviewPanel uses dangerouslySetInnerHTML for real-time HTML + CSS rendering, export function based on html-to-image library generates PNG images, file-saver library handles file downloads.
设计理念：Design Philosophy: Follows WYSIWYG principle, ensuring exported images completely match page display effects. Does not execute user JavaScript code, avoiding security risks. All styles are inline or in style tags, ensuring successful export.