Video Compressor Online Echo

I remember the first time I needed to shrink a video file for a client who insisted on email attachments. The clip was a 30-second demo of a new product feature, shot on my phone at 4K. The raw file was over 400 MB. My client's mail server capped attachments at 25 MB. I spent an afternoon downloading a free desktop encoder, figuring out its preset menu, and waiting for it to process. The result was grainy and the audio was out of sync. That experience sent me looking for som