Home › Video converter › M4V converter
M4V to MKV Converter
Convert M4V files to MKV in seconds, free and unlimited.
🔒 Files are processed on your device. Nothing is uploaded.
How to convert M4V to MKV
- Click Choose files or drop your M4V files into the box. You can add several at once.
- Make sure MKV is selected as the output format.
- Press Convert, then download your MKV files.
M4V
Apple's MPEG-4 video format used by iTunes and the TV app.
MKV
Matroska container that can hold almost any codec, many audio tracks and subtitles.
Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.
Other M4V conversions
- M4V to MP4
- M4V to WEBM
- M4V to MOV
- M4V to AVI
- M4V to FLV
- M4V to WMV
- M4V to MPEG
- M4V to 3GP
- M4V to OGV
- M4V to TS
- M4V to GIF
- M4V to MP3
- M4V to WAV
- M4V to OGG
- M4V to OPUS
- M4V to FLAC
- M4V to AAC
- M4V to M4A
- M4V to M4R
- M4V to WMA
- M4V to AC3
- M4V to AIFF
Convert other files to MKV
- GIF to MKV
- MP4 to MKV
- WEBM to MKV
- MOV to MKV
- AVI to MKV
- FLV to MKV
- WMV to MKV
- MPEG to MKV
- MPG to MKV
- 3GP to MKV
- 3GPP to MKV
- 3G2 to MKV
- OGV to MKV
- TS to MKV
- MTS to MKV
- M2TS to MKV
- VOB to MKV
- MXF to MKV
- DV to MKV
- MOD to MKV
- RM to MKV
- RMVB to MKV
FAQ
Is converting M4V to MKV free?
Yes. Unlimited conversions, no sign-up, no watermark.
Are my files uploaded to a server?
No. FieldConvert processes files inside your browser, so your M4V files never leave your device. That makes it private and fast, because there is no upload or download wait.
Is there a file size limit?
Only your device's memory. Files up to about 2 GB work in most desktop browsers.