MKVToolNix community & help forum

Topic	Replies	Views	Activity
MKVToolNix v99.0 released Announcements Heyo everyone. Here’s MKVToolNix v99. There are a couple of bug fixes & improvements in the GUI & in mkvmerge among with a huge amount of fixes/changes/improvements to the macOS build system. Yes, that’s right, macOS bi…	1	69	May 24, 2026
Welcome to MKVToolNix' support community! Help	1	2122	October 7, 2023
Future of MKVToolnix Other	1	12	May 25, 2026
MKVToolNix GUI builds for macOS (ARM + Intel) Help	45	3560	May 24, 2026
The future distribution of MVKToolNix GUI on macOS Other	14	307	May 24, 2026
Help with creating a batch file Help	5	45	May 21, 2026
Mkvmerge auto sync issue video stream to audio stream Help	1	18	May 21, 2026
Can't log into the codeberg Other	1	17	May 10, 2026
Append/ Multiplexing Issues Help	1	24	May 7, 2026
Multi-part episode subtitles Help help	1	19	May 5, 2026
Set Track to Default if track name contains SDH? Help	1	17	May 4, 2026
Combining Ten Commandments Disk 1 and 2 Help	0	19	May 2, 2026
Duration discrepancy for audio streams in FFmpeg-written Matroska files Help help	1	28	May 2, 2026
Continue to recalculate output file name after creating one output file Suggestions	1	15	April 27, 2026
Video file with FLAC from avidemux causing audio delay Help	1	25	April 25, 2026
Mkvmerge exectuable was not found error Help	0	32	April 17, 2026
Enabling audio and subtitles by language independently? Help help , feature-request	2	33	April 16, 2026
Dark Mode visual change request Suggestions	1	26	April 14, 2026
Apple Silicon: retirement of Rosetta 2 Help	56	5315	April 13, 2026
Add dts convert to ac3 Help feature-request	8	918	April 12, 2026
Put audio 23.976 fps to film 24 fps Help	0	35	April 12, 2026
Batch removing attachments Help help	4	60	April 11, 2026
Does mkclean preserve Dolby Vision in MKV files? Help help	4	71	April 9, 2026
Mac v98 dmg download? Help	2	198	April 7, 2026
Having trouble multiplexing video segments together Help help	0	35	April 5, 2026
Bulk Merge Subtitles Help	1	92	April 4, 2026
Dune HD SOLO/MAX 8K - remux Leon (playlist multi m2ts files) Help	0	40	April 3, 2026
Problem with an MKV where the audio file is longer in duration than the video file Help	3	42	April 2, 2026
Strip foreign languages out of a folder full of several MKV files? Help help	1	50	March 28, 2026
Building MKVToolNix with Gui on a mac Help	23	2028	March 19, 2026

MKVToolNix v99.0 released

Heyo everyone. Here’s MKVToolNix v99. There are a couple of bug fixes & improvements in the GUI & in mkvmerge among with a huge amount of fixes/changes/improvements to the macOS build system. Yes, that’s right, macOS bi…