Some time ago, I published a hands-on guide on HackerNoon about
👉 Leveraging OpenAI and JS File API that became extremely viral and gathers attention of around 50K readers.
In it, I walk through a real-world scenario where you combine:
- 🧠 OpenAI’s powerful LLMs - to send meaningful prompts to OpenAI
- 📂 JavaScript’s File API - to extract and stream file content using the JS File Reader API
- ⚙️ Frontend logic that bridges both - code snippets, UX tips, and more
You’ll learn how to build a seamless experience where your app can take an uploaded file, process its contents, and produce smart, contextual responses — all inside the browser.
The ability to use these APIs within the browser using JavaScript File API opens up a world of possibilities for creating more intuitive and creative user interfaces. As OpenAI continues to evolve and improve, we can expect to see even more opportunities for leveraging its technology in combination with JavaScript File API to create innovative applications that benefit both developers and end-users.
This piece is ideal for frontend developers, indie makers, and AI-curious engineers who want to bring ChatGPT-style intelligence into their UIs today.
And if you end up building something cool with it — I’d love to hear about it!
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Let’s grow personally and professionally together!
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