Creating a file upload form in HTML: a developer's tutorial
Build an HTML file upload form with a local Node.js receiver. Send single or multiple files without JavaScript and verify received sizes and hashes.
Kevin van Zonneveld
DevTips
Empower your development workflow with our curated collection of quick tips and practical tutorials. From file handling and image processing to API integration and open source tools, our dev tips cover a wide range of topics to enhance your coding skills and boost productivity. Whether you’re a beginner or an experienced developer, dive in to find efficient solutions for your projects.
Using signed URLs to secure your CDN content
Learn how to enhance CDN security by implementing signed URLs, ensuring only authorized users can access your content.
Tim Koschützki
Choosing the best image CDN for your web projects
Compare image CDN workflows, free-plan limits, format negotiation, and private delivery to choose Cloudflare Images, Cloudinary, ImageKit, or imgix.
Kevin van Zonneveld
Choose an open-source OCR SDK for Android and iOS
Compare open-source OCR SDK options for Android and iOS, understand Tesseract model requirements, and choose a practical implementation path.
Tim Koschützki
Implementing file uploads with Bootstrap 5
Build a Bootstrap 5 file upload form with drag-and-drop, accessible progress, validation, and a busy state, backed by a runnable local receiver.
Tim Koschützki
