M4R to MKV
Convert M4R to MKV. Upload .m4r and download an .mkv file. The file must contain a playable, unencrypted stream. Damaged files and DRM-protected media cannot be converted. Keep the original until you have checked picture, sound and duration.
Drop your file here, or browse
Accepts: .m4r · Max 1GB · always free
Files are encrypted with TLS during upload and automatically deleted after conversion.
Choose your .M4R file to convert it to MKV.
Fast & Free
Convert files up to 1GB free with no account. Processing limits depend on the format and file contents.
Secure
Uploads use TLS encryption. Supported image conversions can run in your browser.
Check Your Result
Quality, transparency, and supported features depend on the output format. Keep your original file.
How to convert .M4R file to MKV
Upload Your File
Choose your .M4R file using the upload area. The maximum file size is 1GB; processing also depends on your device and the file's contents.
Check the Output Format
The target format is .MKV. Click Convert Now to start.
Download Your File
Download your .MKV file, open it to check the result, and keep your original.
About M4R to MKV
Content reviewed:
About your M4R input
The file must contain a playable, unencrypted stream. Damaged files and DRM-protected media cannot be converted. Keep the original until you have checked picture, sound and duration.
MKV output details
Video output is capped at 1920 × 1080 and 30 fps. An audio-only source receives a black video background. Additional tracks, subtitles and metadata are not guaranteed to transfer.
Frequently Asked Questions
What file will M4R to MKV download?
The download uses the .mkv extension. Video output is capped at 1920 × 1080 and 30 fps. An audio-only source receives a black video background. Additional tracks, subtitles and metadata are not guaranteed to transfer.
What should I check before converting M4R?
The file must contain a playable, unencrypted stream. Damaged files and DRM-protected media cannot be converted. Keep the original until you have checked picture, sound and duration.
Where is my file processed?
Supported image conversions may run on your device. Other conversions upload to the conversion server. Server outputs are available temporarily and deleted after one hour. Keep your own copy of the result.