🧠 How It Works
DevLab runs FFmpeg technology via WebAssembly directly in your browser. Conversion uses your device's CPU and no data is sent to any server.
📂 1. File is loaded in the browser
Your video is selected from your device; it is never sent to a server.
Your video is selected from your device; it is never sent to a server.
⚙️ 2. FFmpeg WebAssembly starts
FFmpeg runs via a WASM core controlled by JavaScript (client-side).
FFmpeg runs via a WASM core controlled by JavaScript (client-side).
💻 3. Video is processed in memory
Algorithms begin conversion and optimize based on the selected quality.
Algorithms begin conversion and optimize based on the selected quality.
🚀 4. Output file is created
The resulting WebM file is produced in memory and provided for download.
The resulting WebM file is produced in memory and provided for download.
📊 Technical Comparison
| Feature | Browser-based | Server-based |
|---|---|---|
| Privacy | ✔ High | ✘ Low |
| Performance | Device CPU power | Shared server resources |
| Speed | High (local processing) | Medium |
| Security Risk | Low | High |