Your files are never uploaded – everything happens locally in your browser.

Why MOV → MP4?

MOV is the standard format for Apple devices and QuickTime but is not supported everywhere. MP4 is universally compatible. Convert for free – directly in the browser, no upload.

Frequently Asked Questions

What is a MOV file?

MOV is a video format from Apple, used by default on iPhones and Macs. It offers good quality but is not supported by all players.

Are my files safe?

Yes, 100%. Your video files are never uploaded to a server. The conversion happens entirely locally in your browser.

Is the conversion free?

Yes, wandlio.de is completely free. No registration, no limits, no ads.

About MP4

MP4 (MPEG-4 Part 14) was standardized in 2001 as ISO 14496-14 and is the most widely used container format for video and audio worldwide. Based on Apple QuickTime format (MOV), MP4 can hold various codecs, most commonly H.264/AVC or H.265/HEVC for video and AAC for audio. The format supports streaming via HTTP Live Streaming (HLS) and Dynamic Adaptive Streaming (DASH), subtitles, chapters, metadata, and multiple audio and video tracks. MP4 is the standard format for YouTube, Vimeo, Netflix, and social media platforms. The broad codec support and compatibility with virtually every device and browser make MP4 the safe choice for video distribution. MP4 files can also contain pure audio (M4A) or images. The ISO Base Media File Format standard on which MP4 is based is also the foundation for 3GP, HEIF, and other container formats.

About MOV

MOV (QuickTime Movie) was introduced by Apple in 1991 as the container format for QuickTime and is the predecessor of the MP4 standard. The ISO Base Media File Format standard on which MP4 is based was directly derived from the MOV format and shares its fundamental structure. MOV can hold various codecs including ProRes for professional video editing, H.264, HEVC, and animation codecs. The format supports multiple tracks for simultaneous audio and video, subtitles, metadata, and timecodes, making it the standard format in Apple Final Cut Pro and professional video production on macOS. ProRes is a visually lossless codec widely used in television production and post-production that enables fast decoding. MOV files are largely compatible with MP4 but can contain proprietary Apple codecs that do not work in all players. For web distribution, converting to MP4 is recommended since MOV is not universally supported outside the Apple ecosystem.

Why convert MOV → MP4?

MOV (QuickTime Movie) is Apple's video format that plays natively on Mac systems but often doesn't work on Windows (without QuickTime, which Apple discontinued in 2016) and Android devices. Converting to MP4 creates a universally compatible version — MP4 for maximum device support or WebM for open web standards. MP4 makes iPhone and Mac videos playable on all platforms without requiring special player software. MP4 is the standard video format for web and mobile with H.264/H.265 video and AAC audio — universally compatible.

Last reviewed: June 16, 2026