Code Snippet Input12 lines
Card Framing & Theme
Background Theme
Header Style
Line Numbers
Padding36px
Font Size14px
Card Preview
code.ts
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// MiniToolDesk High-Performance Utility
async function fetchSystemMetrics(endpoint: string) {
const response = await fetch(endpoint, {
headers: { 'Content-Type': 'application/json' },
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
return await response.json();
}How to create code screenshot cards
- 1Paste your source code and select the programming language syntax.
- 2Customize the background gradient, window frame (Mac buttons), and padding.
- 3Click "Export PNG" to download a crisp Retina image for Twitter, docs, or blogs.
Social Sharing & Tech Documentation
Polished code screenshot cards dramatically increase engagement on Twitter, LinkedIn, and technical blog tutorials compared to raw text.
Architecture & Privacy
- 2x Retina Canvas Export: High-DPI rasterization ensures text remains ultra-sharp on mobile and 4K displays.
- 100% Client-Side Privacy: Code is rendered locally in browser memory. No code snippets are sent to any remote server.
- Customizable Aspect Padding: Adapt margins for widescreen hero graphics or Instagram 1:1 square posts.
- Direct Clipboard Image API: Copy binary PNG data straight to clipboard for instant pasting into Slack or Notion.
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