Is this MOV to MP4 converter really free?

Yes. Up to 5 files at a time, no signup, no catch. The free tier adds a small watermark to image output — Pro ($9.99/mo or $49/yr) removes it, raises the file size limit to 500 MB, and unlocks unlimited batch conversion.

Are my files uploaded to a server?

No — and you can verify it yourself. Open DevTools → Network tab, then convert a file. You'll see zero upload requests. Everything runs right in your browser. We never see your files.

How long does conversion take?

Usually 1–3 seconds for a typical file. The very first conversion on a fresh page load may take 5–20 seconds while the converter engine loads — after that it's instant. Your CPU does all the work locally.

What is the file size limit?

Free: up to 10 MB per file, 5 files per batch. Pro: up to 500 MB per file, unlimited batch. If you're working with large videos or RAW photos, Pro is built for that.

Can I batch convert multiple MOV files at once?

Yes — drop multiple files at once (or Ctrl/Cmd+click to select them) and they all convert in parallel. Free accounts handle up to 5 files per batch; Pro has no limit.

How large can my video files be?

Free accounts support files up to 10 MB — enough for short clips and GIFs. Pro raises that to 500 MB, which covers most 1080p videos. For files over 1 GB, a native app like HandBrake will be faster.

Will the video lose quality during conversion?

When only the container changes (e.g., MKV → MP4 where both use H.264), there's zero quality loss — it's a lossless rewrap. When the codec changes, we encode at CRF 23, which is near-transparent for most content.

Will converting MOV to MP4 reduce video quality?

Usually no. Most iPhone and Mac MOV files already use H.264 or H.265 inside the MOV container — converting to MP4 is just a container swap (remux), with zero re-encoding and zero quality loss. Only MOV files with ProRes or MJPEG codecs need actual transcoding.

Can I convert 4K MOV files from a drone or mirrorless camera?

Yes, though 4K files take longer on the first conversion. The output quality matches the source — if the MOV is 4K H.264, the MP4 will be 4K H.264 with no quality reduction.

How private is this converter?

Completely private — by design, not policy. There is no upload endpoint. Files are processed right inside your browser tab and disappear the moment you close it. We collect only anonymous page-view counts; your file content is never seen or stored.

MOV to MP4 Converter — Free, Fast, No Upload

How to convert MOV to MP4 online

1
Drop your MOV file
Drag and drop your QuickTime Movie file onto the converter, or click to browse your files. You can select up to 5 at once. Nothing leaves your device — conversion happens right here in the browser.
2
Hit Convert — it happens locally
Click Convert and watch it go. There's no upload, no server queue, no waiting. The converter runs QuickTime Movie → MPEG-4 Part 14 entirely in your browser tab. Most files finish in 1–3 seconds.
3
Download your MP4
Your MPEG-4 Part 14 file is ready. Click Download, or grab a ZIP if you converted a batch. Close the tab and everything disappears — no copies kept anywhere.

MOV vs MP4: format overview

MOV

QuickTime Movie

Apple · 1991

Compression: lossy
Transparency: No

✓ High quality, preferred by Apple ecosystem
✓ Supports ProRes codec for editing
✗ Poor Windows/Android compatibility without QuickTime

MP4

MPEG-4 Part 14

Moving Picture Experts Group · 2001

Compression: lossy
Transparency: No

✓ Universal compatibility across all platforms
✓ Excellent compression with H.264/H.265

MOV magic bytes: 00 00 00 xx 66 74 79 70 71 74

MP4 magic bytes: 00 00 00 xx 66 74 79 70

Why convert MOV to MP4?

MOV is Apple's video format — it's what your iPhone records, what QuickTime creates, and what iMovie exports by default. On a Mac it just works. On everything else, results vary wildly: Android struggles to play MOV natively, Windows Media Player has historically ignored it, and most social media platforms accept MOV but prefer MP4 or silently transcode it (with varying results).

MP4 is the universal video container. Instagram, TikTok, YouTube, Twitter, Vimeo, Discord, and virtually every other platform love MP4 with H.264 video inside. Windows plays it. Android plays it. Smart TVs play it. No conversion required on the receiving end.

The good news: most iPhone and Mac MOV files already have H.264 or H.265 video inside the container. Converting to MP4 is usually just a container swap (a remux) — it takes seconds and results in zero quality loss. Only MOV files with ProRes, MJPEG, or unusual codecs need actual transcoding, which takes longer.

Common reasons to convert MOV to MP4:

›Uploading an iPhone video to Instagram, TikTok, YouTube, or Vimeo
›Sharing a video with someone on Android or Windows who can't play MOV
›Sending a video as an email attachment that any mail client can preview inline
›Importing footage into a video editor that handles MP4 better than MOV

Quality & file size: MOV to MP4

Typical file sizes: MOV 150–500 MB → MP4 100–300 MB.

Both MOV and MP4 use lossy compression. We transcode at high quality settings (equivalent to MP4's recommended web quality) to minimize generational loss.

Color depth: MOV supports standard color, MP4 supports standard color.

Transparency: MOV does not support transparency. MP4 does not support transparency — transparent areas become solid white.

Frequently asked questions

Privacy: how FormatDrop handles your files

Your MOV files are converted 100% inside your browser. They are never uploaded to our servers, never stored, and never seen by anyone other than you. This isn't a privacy policy claim — it's an architectural guarantee: our server has no endpoint that receives file bytes.