Compress MOV
MOV files from an iPhone or Mac are huge. Drop yours in to shrink it — and get a smaller MP4 that’s easier to share, all without uploading anything.
Drop a video here, or browse
MP4 · MOV · WebM — compressed right here, nothing uploaded
100% on-device · no signup · no watermark
Loading compressor…
Bigger files take longer — your CPU does the work, privately.
Why MOV files are so big
iPhones and Macs record QuickTime MOV files, often in high-bitrate H.264 or HEVC at 1080p or 4K. A minute of 4K can be hundreds of megabytes. That’s great for editing but painful to share.
This tool re-encodes your MOV to an efficient MP4 at the target you choose — much smaller, and more universally compatible than the original MOV for upload to most platforms.
MOV in, MP4 out
The output is a standard H.264 MP4, which plays everywhere and is accepted by Discord, WhatsApp, email and every social platform — places a raw MOV sometimes isn’t.
Frequently asked questions
How do I make an iPhone video smaller?
Drop the MOV here and pick a target size or platform. It’s compressed in your browser into a smaller MP4 you can share or upload — no app and no upload to a server.
Does it convert MOV to MP4?
Yes — the output is always an H.264 MP4, which is smaller and more widely accepted than a raw MOV.
Will it work with 4K iPhone video?
Yes, though very large 4K clips depend on your device’s memory since it all runs locally. Downscaling to 1080p (the YouTube preset) helps shrink 4K a lot.
Is my video private?
Completely — it never leaves your browser. Nothing is uploaded.