Convert MOV to MP4
Convert MOV files to MP4 right in your browser, one file or a whole batch at a time. Free, private and fast: everything runs in your browser, nothing is uploaded, and there is nothing to install.
Convert MOV files to MP4 right in your browser, one file or a whole batch at a time. Drop your files into the box above, adjust the options if you want, and download the result. The FansBond MOV to MP4 tool works entirely in your browser, so your files never leave your device. It is free, needs no account, and there is nothing to install.
- Private by design: files are processed on your device and are never uploaded to a server.
- Nothing to install: it works in Chrome, Safari, Firefox and Edge on desktop, Android and iPhone.
- Free with no sign-up, no watermark and no daily limits.
- Accepts: MOV.
- Saves as: MP4.
What MOV to MP4 does
Video conversion changes the container, which is the file type such as MP4 or MKV, and usually the codecs inside it. MOV to MP4 always re-encodes: FFmpeg decodes every frame and encodes it again. MP4, MOV and MKV files get H.264 video and AAC audio, WEBM files get VP8 video and Vorbis audio, and AVI files get MPEG-4 Part 2 (Xvid-compatible) video with MP3 audio.
People need this when a phone, TV, editing app or website refuses a file, for example an MKV that does not play on an iPhone or a WMV that a Mac cannot open.
How to use MOV to MP4
- Drop your MOV files into the box, or click to choose them.
- Pick the output format and any options.
- Click Convert. The conversion runs on your device.
- Download each file, or all of them at once as a ZIP.
When to use MOV to MP4
- Convert an MKV file from a screen recorder to MP4 so it plays on an iPhone, a smart TV or in a browser.
- Turn an iPhone MOV clip into MP4 before uploading it to a website or learning platform that only accepts MP4.
- Save a video as WEBM to embed it on a web page using an open format that modern browsers support.
- Convert a WMV, FLV or 3GP file from an old phone or computer into a format that current players can open.
Settings explained
- Output format
- Chooses the container and codecs of the new file when the tool offers more than one format. MP4 plays almost everywhere, WEBM suits web pages, MKV suits archiving and AVI suits older players.
- Video quality
- Sets the constant quality level of the encoder (CRF 20, 25, 30 or 35 for H.264). High keeps the most detail and Smallest file saves the most space. Medium, the default, is a good balance for sharing.
- Resolution
- Sets the maximum height of the video: 1080p, 720p, 480p or 360p. The width follows the original aspect ratio, and smaller videos are never enlarged. Original keeps the size, rounded to even pixel numbers.
What changes when you convert MOV to MP4
MOV and MP4 are containers. The video is re-encoded into a codec that MP4 supports, so expect a small quality change. Use the highest quality setting if you plan to edit the file again.
Format comparison
| Format | Full name | Type | Compression | File extension | Developed by | Released |
|---|---|---|---|---|---|---|
| MOV | QuickTime Movie | video | Lossy | .mov | Apple | 1991 |
| MP4 | MPEG-4 Part 14 | video | Lossy | .mp4 | MPEG | 2001 |
What is MOV?
MOV (QuickTime Movie) is a video format introduced by Apple in 1991. It uses lossy compression. Files use the .mov extension.
MOV is the QuickTime movie format created by Apple. It is a container with tracks for video, audio, timecode and text. The MP4 format was based on it, so the two are closely related. iPhones record MOV files, usually with H.264 or HEVC video, and professional workflows often use ProRes inside MOV.
MOV is a natural choice for video recorded on Apple devices and for editing in Final Cut Pro, iMovie and other professional tools. With codecs such as ProRes, it keeps high quality during editing and post-production.
MOV files with professional codecs are very large. Some Windows programs, Android devices, browsers and websites do not play MOV, especially when it contains HEVC or ProRes video. Converting to MP4 usually solves compatibility problems for sharing.
MOV plays natively on macOS and iOS in QuickTime Player and Photos. Windows can play many MOV files in its built-in apps or in VLC, depending on the codec. Safari plays MOV, while other browsers support it only partly.
What is MP4?
MP4 (MPEG-4 Part 14) is a video format introduced by MPEG in 2001. It uses lossy compression. Files use the .mp4 extension.
MP4 is a container format defined in part 14 of the MPEG-4 standard and based on Apple's QuickTime file format. It holds separate video, audio and subtitle tracks. The video is usually H.264 or H.265, sometimes AV1, and the audio is usually AAC. The codecs inside, not the container, decide the quality.
MP4 with H.264 video and AAC audio is the most compatible choice for sharing video. It works well for uploads to social media and video sites, playback on phones and TVs, and video embedded in websites.
Compatibility depends on the codecs inside. An MP4 with H.265 or AV1 video may not play on older devices or in every browser. H.264 and H.265 are patented codecs. Editing and saving again with a lossy codec reduces quality.
MP4 plays in all major web browsers, on Windows, macOS, Android and iOS, on smart TVs and game consoles, and in players such as VLC. H.264 MP4 is the safest choice when you do not know the device.
Why use FansBond MOV to MP4
Most online converters upload your files to their servers. FansBond MOV to MP4 does the work inside your browser instead, using WebAssembly and modern browser APIs. Your files stay on your device, which is safer for private photos, contracts and unreleased work, and it is often faster because nothing has to upload or download.
There are no queues, no watermarks and no account. Once the page has loaded, the tool keeps working even on a slow connection.
Tips for the best result
- Keep the browser tab open and the device awake until the download appears. Closing the tab or letting a phone lock its screen can stop the conversion.
- Choose 720p or 480p for long videos. Encoding fewer pixels is much faster in the browser and gives a smaller file that still looks fine on phones.
- Pick MP4 for videos you will put online. Its index is placed at the start of the file, so playback can begin before the whole file has loaded.
- Keep your original file. Every conversion re-encodes the video, so converting the result again later loses a little more detail each time.
How MOV to MP4 works in your browser
Video and audio are processed with FFmpeg, the open-source media toolkit behind most video software, compiled to WebAssembly. Video is encoded with H.264 for MP4, MOV and MKV, VP8 for WebM, and audio with AAC, MP3, Vorbis, Opus or FLAC depending on the format.
WebAssembly FFmpeg runs on your device's processor without a server. It is slower than a native desktop app, so a long video can take a few minutes. Keep the tab open until the progress bar finishes.
Privacy and security
Most online converters upload your files to a server, process them there and keep a copy for some time. MOV to MP4 works differently: the code is downloaded to your browser once, and your files are read and written only on your device.
You can check this yourself: after the page has loaded, turn off your internet connection and the tool still works. This makes it safe for contracts, IDs, medical records, private photos and unreleased work.
Frequently asked questions
Is MOV to MP4 free?
Yes. MOV to MP4 on FansBond is completely free, with no sign-up, no watermark and no daily limit.
Are my files uploaded to a server?
No. Your files are processed in your browser on your own device. They are never sent to FansBond or anyone else.
Do I need to install any software?
No. It works in any modern browser (Chrome, Safari, Firefox, Edge) on Windows, Mac, Linux, Android and iPhone.
Is there a file size limit?
There is no fixed limit. Because the work happens on your device, the practical limit depends on your device's memory. Most phones handle files of a few hundred megabytes, and computers handle much more.
Will I lose quality when saving as MP4?
MP4 uses lossy compression, so some detail is discarded to make the file smaller. The default settings keep the result visually very close to the original, and you can raise the quality setting if you need to.
Why can the converted file be larger than the original?
The video is re-encoded at a fixed quality level, not copied. Phones often record with HEVC (H.265), which needs fewer bits than H.264 for the same picture, so the new file can come out bigger. Choose Low or a lower Resolution, or use the video compressor, to get a smaller file.
Are subtitles and extra audio tracks kept?
Only one video track and one audio track are converted. If the file has several audio languages, FFmpeg picks one automatically and the others are dropped. One text subtitle track may be carried into MP4, MKV or WEBM, but picture-based subtitles are not. Keep the original if you need every track.
Why do HDR videos from my phone look washed out after conversion?
The output is always standard 8-bit video. HDR and 10-bit clips, such as Dolby Vision or HLG videos from recent phones, are converted without tone mapping, so colors can look flatter or paler than on the phone. If color matters, export an SDR version from the phone first.
Related tools
- MP4 ConverterConvert MP4, MOV, AVI, WEBM, MKV, FLV, WMV, and 3GP videos to MP4, the format every phone, browser and editor plays.
- Video ConverterConvert videos between MP4, MOV, AVI, WEBM, MKV, FLV, WMV, and 3GP and save them as MP4, WEBM, MOV, MKV, and AVI.
- Audio ConverterConvert audio, or pull the soundtrack out of a video, and save it as MP3, WAV, OGG, AAC, M4A, FLAC, and OPUS.
- MP3 ConverterTurn any audio or video file (MP3, WAV, OGG, AAC, M4A, FLAC, OPUS, MP4, MOV, AVI, WEBM, MKV, FLV, WMV, and 3GP) into an MP3 you can play anywhere.
- MP4 to MP3Convert MP4 files to MP3 right in your browser, one file or a whole batch at a time.
- Video to MP3Extract the audio track from MP4, MOV, AVI, WEBM, MKV, FLV, WMV, and 3GP videos and save it as an MP3.
Share everything you create with one FansBond link
Put your converted files, videos and links on one free link-in-bio page that looks great on every device.
Create your free page