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React File Upload Code File Block

A source code file upload block for React and Next.js with syntax-highlighted preview in monospace font, automatic language detection badge, line count display, file encoding info, and copy-to-clipboard using shadcn/ui Button, Badge, and Tailwind CSS

Upload and preview source code files with this React and Next.js block. Drop a code file to see its content in a monospace preview with simulated syntax highlighting, automatic language detection displayed as a badge, total line count, file encoding details, and a one-click copy button. Built with TypeScript, shadcn/ui Button and Badge components, and Tailwind CSS. Perfect for code review tools, snippet managers, developer documentation portals, and deployment pipelines that need to inspect configuration files before processing.

React File Upload Code File Block preview

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Last updated on March 24, 2026

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