I Built a Screen Recorder in the Browser Without Any Backend — Here’s How

rohaaaaaan — Sun, 14 Dec 2025 18:52:21 +0000

I needed a simple way to record my screen directly from the browser — no extensions, no backend, no bloated tools.

Most solutions I found were either:

So I decided to build a lightweight screen recorder using the browser’s native MediaRecorder API.

Modern browsers expose powerful media APIs that are still underused.

The MediaRecorder API allows you to:

Best part: no external libraries required.

The flow is straightforward:

This can be useful for:

The project is fully open-source, and I’d love feedback or contributions.

If you find it useful, consider giving it a ⭐ — it really helps with visibility.

This was a fun exploration of browser media APIs, and I’m planning to improve it further.

If you’ve built something similar or have ideas for improvement, I’d love to hear your thoughts.

DEV Community: rohaaaaaan