### FAST_SECURE_FREE

This tool uses high-performance WebAssembly technology to process MPEG-4 Video data into high-quality Shockwave Flash files.

Privacy: 100% PRIVATE. No data ever leaves your browser. All processing happens locally on your device.

### SECURE_CONVERSION

PRIVATE_MODE

ALWAYS_ON

COMPRESSION

LOSSLESS_READY

CLOUD_STORAGE

NEVER_STORED

### HOW_IT_WORKS

Q: How to convert MP4 to SWF?

A: Simply drag and drop your MP4 file into our converter, select the output settings, and download your SWF file instantly.

Q: Is this converter free?

A: Yes, Drift Labs is 100% free and open source. There are no subscriptions or hidden fees.

Q: Is it safe to convert files here?

A: Completely. Unlike other converters, your files are processed locally in your browser. Nothing is ever uploaded to a server.