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M4V to MOV Converter

Convert M4V to MOV online for free. Fast, secure, and high-quality conversion with no sign-up or software required.

Free to useNo file stored beyond 1 hourEncrypted over TLS 1.2/1.3No watermarks

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How it works

Three steps to your converted file

Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.

01

Upload your file

Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.

02

Choose an output format

Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.

03

Convert & download

Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.

What is an M4V file?

The M4V file format is a video container format developed by Apple Inc., derived directly from the MPEG-4 Part 14 (MP4) specification. It is primarily utilized to encode video files-such as movies, TV episodes, and music videos-distributed through the Apple iTunes Store. Functionally similar to MP4, M4V files frequently employ Apple's FairPlay DRM (Digital Rights Management) protection to prevent unauthorized reproduction, though unprotected files exist. The container typically encapsulates H.264 or H.265 (HEVC) video data alongside AAC or Dolby Digital (AC-3) audio streams.

How to open an M4V file

Files protected by FairPlay DRM can only be decrypted and opened using Apple QuickTime Player or the Apple TV app on authorized devices associated with the purchasing Apple ID. Unprotected M4V files function identically to standard MP4 files and are natively supported on macOS. On Windows and Linux, unprotected M4V files can be opened by renaming the extension to .mp4 or by using cross-platform media players like VLC Media Player and MPC-HC without modification.

M4V Technical Info

Full Name
iTunes Video File
Developed By
Apple Inc.
Initial Release
2003
MIME Type
video/x-m4v

What is a MOV file?

The MOV filename extension represents the QuickTime File Format (QTFF), a proprietary multimedia container developed by Apple Inc. It serves as the structural basis for the ISO/IEC 14496-14 (MPEG-4 Part 14) standard. The format utilizes an atom-based structure where data is organized into hierarchical units, allowing it to contain multiple tracks of video, audio, timecode, and text (subtitles). Common codecs encapsulated within MOV containers include Apple ProRes, H.264, and HEVC for video, and ALAC or AAC for audio. It is the default recording format for iPhones and iPads.

How to open a MOV file

MOV files are the native format for macOS and open directly in QuickTime Player. On Windows, native support is available in modern versions of Windows Media Player, though legacy support relied on the now-deprecated QuickTime for Windows. For cross-platform compatibility and to handle professional codecs like ProRes on non-Apple systems, VLC Media Player or Adobe Premiere Pro are the recommended tools.

MOV Technical Info

Full Name
QuickTime File Format
Developed By
Apple Inc.
Initial Release
1991
MIME Type
video/quicktime

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Why RunConvert

The fastest way to convert any file

Purpose-built for speed, privacy, and breadth of format support.

Convert M4V to MOV in seconds

Every M4V to MOV conversion runs on our servers, so your device stays fast and the output quality stays intact.

Fast, cloud-powered

No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.

Secure & private

Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.

Free - no account needed

Convert without creating an account - no credit card, no trial clock. Sign in only if you want history and higher daily limits.

Developer API

Convert M4V to MOV via API

Automate M4V to MOV conversions in three steps: create a job, upload your file, then poll for the result.

# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tag": "m4v-to-mov",
    "tasks": {
      "upload-file": {
        "operation": "import/upload"
      },
      "convert": {
        "operation": "convert",
        "input": "upload-file",
        "output_format": "mov"
      },
      "export-result": {
        "operation": "export/url",
        "input": "convert"
      }
    }
  }'

# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.m4v

# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
  -H "Authorization: Bearer YOUR_API_KEY"

Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.