🎬 Video Converter

Convert QuickTime MOV to MP4 — Free, No Upload, Plays Everywhere

QuickTime MOV files — recorded by iPhone, iPad, Mac, and GoPro — often won't play on Windows, Android, or web browsers without Apple codecs. Converting your Apple QuickTime video to MP4 (H.264) gives you universal compatibility instantly. Works for iPhone footage, GoPro recordings, Mac screen captures, and all Apple video files.

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✓ Free forever ✓ No upload ✓ No signup ✓ No file size limit ✓ FFmpeg-powered
How to convert a QuickTime Movie (.mov) to MP4, free: open the Convertlo MOV to MP4 converter, drop your QuickTime Movie file (.mov), and download the MP4. No upload, no install, no account. Works in any browser on Mac (OSX/macOS), Windows, iPhone, or Android — completely free. iPhone, iPad, and Mac record video as .mov files — Apple's native video format — so this converter handles all Apple video files directly.
Convert Apple video to MP4: "Apple video" refers to .mov files recorded by iPhone, iPad, and Mac — Apple's default video format. Every video you take on an iPhone is an Apple video (.mov). Drop it into the converter below and download an MP4 that works on Windows, Android, YouTube, Instagram, and every non-Apple platform. No upload, no account, no limits.
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How to Convert MOV to MP4

1
Open the Converter

Click "Convert Now" to open the video converter with MOV → MP4 pre-selected.

2
Upload Your MOV

Drag and drop your .mov file or click Browse. iPhone clips, GoPro footage, and Mac recordings all work.

3
Browser Converts

FFmpeg.wasm processes the video entirely in your browser — no server, no wait queue.

4
Download MP4

Your MP4 file downloads automatically, ready to share, upload, or edit anywhere.

When You Need MOV to MP4

  • 🖥️ Sharing with Windows users — MOV often won't play in Windows Media Player without QuickTime; MP4 plays natively everywhere
  • 📤 Uploading to YouTube or TikTok — MP4 uploads process faster and are less likely to have codec issues than MOV
  • 📱 iPhone & GoPro footage — convert high-bitrate camera files to a shareable size without re-shooting
  • ✂️ Editing in non-Apple software — DaVinci Resolve, Premiere, and most NLEs handle H.264 MP4 better than ProRes MOV
  • 💾 Dramatically smaller files — GoPro and iPhone MOV files often shrink 60–80% when converted to H.264 MP4
  • 🌐 Web and streaming — MP4 is the standard format for YouTube, Instagram, TikTok, Vimeo, and all streaming platforms

MOV vs MP4 — What's the Difference?

Both MOV and MP4 are container formats — wrappers that hold video, audio, and subtitle streams. The video codec inside (H.264, H.265, ProRes) is often identical. The difference is compatibility: MOV is Apple's format, MP4 is the universal standard.

Property MOV (QuickTime) MP4
Created by Apple ISO / MPEG standard
Plays on Windows Often fails Always
Plays on Android Rarely Always
Browser playback Safari only All browsers
YouTube / TikTok upload Accepted, may have issues Recommended
Common codecs H.264, HEVC, ProRes, DNxHD H.264, H.265, AV1
File extension .mov, .qt .mp4, .m4v
Best for Apple ecosystem editing Sharing, streaming, everywhere

Key insight: if your MOV already contains H.264 video (most iPhone and GoPro footage does), converting to MP4 is a lossless container swap — the video data is not re-encoded. Conversion takes seconds and the output file is the same size and quality.

QuickTime Player's Built-in Export vs Convertlo

Mac users often discover that QuickTime Player already has a built-in File → Export As → 1080p / 720p option that outputs an MP4. It works — but with meaningful limitations. Here's when each is the right tool:

Feature Convertlo QuickTime Player Export
Works on Windows / Android ✓ Any browser ✗ Mac only
Resolution control ✓ Original preserved ✗ Locked to 480p / 720p / 1080p presets
ProRes MOV support ✓ Full Partial
Batch convert multiple files ✓ Yes ✗ One at a time
Screen recordings with system audio ✓ Audio preserved ✗ System audio often drops
No software required ✓ Browser only ✗ Requires Mac + QuickTime
File upload to server ✓ Never uploaded ✓ Local only

When QuickTime Player export is fine: you're on Mac, converting a single casual clip, and the preset resolution matches what you need.
When Convertlo is better: you're on Windows, converting multiple files, working with ProRes or GoPro footage, or need full original resolution preserved.

Features

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FFmpeg.wasm

Industry-standard FFmpeg compiled to WebAssembly — runs entirely in your browser.

🔒

100% Private

Your video never leaves your device. No upload, no cloud processing.

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Near-Lossless

When MOV already contains H.264, conversion is a container remux — zero quality loss.

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Smaller Files

Re-encoding GoPro or ProRes MOV to H.264 MP4 cuts file size dramatically.

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Free

No account, no fee, no watermarks. Unlimited conversions.

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Works on Mobile

Convert on your phone or tablet — no desktop app needed.

Key Questions About MOV to MP4, Answered

Direct answers structured for AI extraction, voice search, and featured snippets.

Will my video be re-encoded or just remuxed when converting MOV to MP4?

If your MOV holds H.264 or H.265 — the standard for iPhone-recorded video — Convertlo can remux it directly into MP4 with no quality loss, since both codecs are fully supported by the MP4 container. If your MOV holds ProRes, used by Final Cut Pro and professional camera footage, the video must be re-encoded to H.264 because MP4 players don't support ProRes.

  • H.264/H.265-in-MOV → MP4: remuxed, instant, zero quality loss
  • ProRes-in-MOV → MP4: re-encoded to H.264, since MP4 can't hold ProRes
  • Audio is converted to AAC if it isn't already

My GoPro or iPhone MOV is huge — will converting to MP4 make it smaller?

Significantly, yes. GoPro HEVC MOV files are large because they use a very high bitrate; re-encoding to H.264 MP4 at a standard bitrate cuts the file size by 50–80% with no visible quality loss at 1080p.

  • GoPro 4K MOV (HEVC): often 6–10 GB per hour; H.264 MP4 at the same settings is 2–4 GB
  • iPhone Cinematic mode MOV: reduces from ~10 Mbps to 4–6 Mbps without visible loss at 1080p
  • For 4K archiving, keep the original MOV — use MP4 for sharing and uploads

How much will the file size change going from MOV to MP4?

If the conversion is a remux (H.264 or H.265 source), the file size stays essentially the same. If your MOV held ProRes — an intentionally large, lightly-compressed editing codec — the MP4 version after re-encoding to H.264 is typically dramatically smaller, often by 5-10x or more.

  • H.264/H.265-in-MOV → MP4: size unchanged (remux)
  • ProRes-in-MOV → MP4: often 5-10x smaller after re-encoding to H.264
  • Audio conversion to AAC has only a minor effect on overall size

When should I use MP4 instead of MOV?

Use MP4 when your video needs to leave the Apple ecosystem — Windows PCs, Android phones, smart TVs, and every major social platform accept MP4 natively, while MOV can fail to open outside QuickTime, Final Cut Pro, or iMovie.

  • MOV: best for staying inside Apple editing workflows
  • MP4: the safe universal choice for sharing, uploading, and playback everywhere else

Go Deeper: MOV to MP4 Resources

In-depth articles to help you understand the formats, pick the right settings, and get the best results.

📖MOV to MP4: Convert QuickTime Videos to Universal Format 📖MOV to MP4 on Mac: 3 Ways (Without Extra Apps)

Frequently Asked Questions

Often not at all. Many MOV files already contain H.264 video, and converting just changes the container (a "remux"), which is near-instant and lossless. Only when re-encoding is needed — such as ProRes MOV to H.264 MP4 — is there any quality change, and modern H.264 at high bitrate looks excellent.
Windows doesn't ship with QuickTime codecs by default, so many MOV files fail to open in Windows Media Player or other default players. MP4 is natively supported by Windows Media Player, VLC, and every major media player across all platforms — no codec pack needed.
Both platforms accept MOV files, but MP4 is strongly recommended. MP4 uploads process faster, are less likely to trigger codec errors, and generally result in better compression by YouTube's and Instagram's own encoding pipelines. TikTok also works much better with MP4.
Yes, significantly. GoPro cameras record in high-bitrate formats optimized for editing, not sharing. Converting to H.264 MP4 at a standard sharing bitrate typically reduces file size by 60–80% while looking great on any screen. A 2 GB GoPro clip often becomes 300–500 MB as an MP4.
Yes. iPhone videos saved in MOV format convert perfectly to MP4 — video quality, audio, and duration are all preserved. This is one of the most common use cases: making iPhone footage compatible with Windows PCs and Android devices.
It depends on file size and your device's CPU. A 100 MB MOV file typically converts in 30–60 seconds in a desktop browser. For very large files over 1 GB, a modern desktop or laptop browser is significantly faster than converting on a phone.
No. FFmpeg.wasm runs the entire conversion inside your browser using WebAssembly. Your video file never leaves your device — there's no server involved at any point. This makes it completely safe for personal, confidential, or work-related video content.
"OSX" is the older name for what Apple now calls macOS — the same operating system, so the steps are identical. Open convertlo.pro/mov-to-mp4.html in Safari, Chrome, or Firefox on your OSX/macOS Mac, drop your .mov file, and download the converted MP4. It runs entirely via FFmpeg.wasm in the browser, so nothing is installed and nothing is uploaded.
Two options. Option 1 — QuickTime Player's built-in export: open the MOV file in QuickTime Player, go to File → Export As, and choose 1080p (or 720p/480p). This outputs an MP4 directly. Limitation: preset resolutions only, one file at a time, Mac-only. Option 2 — Convertlo: open convertlo.pro/mov-to-mp4.html in Safari, drop your MOV file, and download the MP4 in full original resolution. Works on Mac, Windows, iPhone, or any device with a browser.
Yes. Convertlo works in any browser on Windows — Chrome, Edge, Firefox, or Opera. QuickTime Player itself is Mac-only, but the MOV files it creates are just standard files you can open in any converter. Drop your MOV on convertlo.pro/mov-to-mp4.html and download the MP4. No software installation, no codec pack required.
QuickTime Player's Export As presets (480p / 720p / 1080p) always re-encode the video regardless of the source. If your original MOV was recorded at 4K or at a high bitrate (e.g., GoPro, iPhone Cinematic Mode), the export will downscale and compress it to match the preset. Convertlo preserves the original resolution and uses high-quality FFmpeg encoding settings so the output matches your source as closely as possible.
MOV and MP4 are both container formats — wrappers that hold video and audio streams. MOV is Apple's QuickTime format, designed for the Mac and iPhone ecosystem. MP4 is the international ISO standard that plays on every device, browser, TV, and platform. In most cases the video codec inside is identical (H.264 or H.265), so converting MOV to MP4 is often a lossless container swap with zero quality loss. The main difference is compatibility: MOV often fails on Windows and Android, while MP4 always works everywhere.
Quality is determined by the codec and bitrate, not the container. A MOV and an MP4 with the same H.264 settings at the same bitrate are identical in quality. MOV only has a quality advantage when using Apple ProRes — a lossless/near-lossless professional codec designed for editing. For sharing and streaming, MP4 at a high bitrate (H.264 or H.265) delivers excellent quality at much smaller file sizes than ProRes MOV.
Sometimes. If your MOV contains H.264 video (true for most iPhone footage and GoPro recordings), both the MOV and MP4 containers use the same H.264 codec — so renaming the file extension can work without re-encoding. However, if the MOV contains ProRes, HEVC, or another codec not supported in MP4, renaming produces a broken file. Use Convertlo to be safe: it detects the codec and re-encodes only when necessary, so you always get a working MP4.

Converting QuickTime Videos to MP4 — Common Questions

How do I convert Apple video to MP4?

Apple video files are .mov files — the default format recorded by iPhone, iPad, and Mac. To convert to MP4: open Convertlo's MOV to MP4 converter, drop the Apple video (.mov) file, and click Convert. It processes in your browser — nothing is uploaded. The MP4 output plays on Windows, Android, YouTube, and any non-Apple device. No install, no account, completely free.

How do I convert a QuickTime Player video to MP4?

Open Convertlo's MOV to MP4 converter in any browser, drop your .mov file, and click Download when done. The entire conversion runs in your browser via FFmpeg.wasm — no upload, no app install, works on Mac, Windows, iPhone, and Android. For a single casual clip on Mac you can also use QuickTime Player → File → Export As → 1080p, but Convertlo gives you full resolution, batch support, and works on any platform.

Can I convert QuickTime to MP4 on Windows without software?

Yes — Convertlo works in Chrome, Edge, and Firefox on Windows with no software download. QuickTime Player is Mac-only, but MOV files are just files. Open convertlo.pro/mov-to-mp4.html, drop your MOV, download the MP4. No QuickTime codec pack needed, no desktop app installation.

How do I convert a QuickTime Movie file to MP4?

A "QuickTime Movie" is Apple's name for the .mov file format — what you see in Finder's Get Info panel and in QuickTime Player's title bar. To convert it to MP4: open the Convertlo MOV to MP4 converter in any browser, drop the .mov file, and download the MP4. The conversion runs entirely in your browser via FFmpeg.wasm — no upload, no software install. On Mac you can also use QuickTime Player → File → Export As → 1080p, but Convertlo works on Windows and Android too and preserves full original resolution.

What is the best free QuickTime to MP4 converter online?

Convertlo is fully browser-based — your MOV file is never uploaded to a server. It uses FFmpeg.wasm (the same engine as professional desktop converters) and outputs H.264 MP4 at the original resolution. No account, no watermark, no file size limit, no monthly conversion cap. Works on every device.

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