Turn animations into video files for social media. Every conversion runs locally on your Mac — your GIF files are never uploaded.
macOS 14 or later · Apple silicon · Free to try
GIF is the classic looping animation format. MP4 is the universal video format that plays on virtually every device. Turn animations into video files for social media.
PrivateRemix handles the GIF-to-MP4 conversion in a couple of clicks, with the result saved right next to your original file.
Unlike free online converters, PrivateRemix has no server. Your GIF files stay on your Mac — no upload, no cloud, no account.
Drag a GIF file into PrivateRemix, or pick one from your Mac.
Select MP4 from the formats PrivateRemix offers for your file.
The new MP4 appears next to the original. Nothing leaves your Mac.
MP4 is a compressed format, so there is a small, usually imperceptible quality trade-off in exchange for a much smaller file. PrivateRemix converts at a high quality setting to keep it minimal.
GIFs are large and capped at 256 colours. MP4 video is far smaller at the same quality and plays smoothly on phones and social platforms.
For sharing and playback, yes — MP4 is supported by nearly every phone, TV, browser and editor, which is why it's the safe default.
No. PrivateRemix runs entirely on your Mac using its own processor. Your GIF files never leave the device — there is no server to upload to, and it works fully offline.
Yes. Drop in a batch of GIF files and PrivateRemix converts them all locally, saving each new MP4 next to its original.
Free to try. macOS 14 or later, Apple silicon.