Help - MKVToolNix community & help forum

Topic	Replies	Views	Activity
MKVToolNix GUI builds for macOS (ARM + Intel) Hi everyone, First, a big thank you to Moritz for MKVToolNix and for providing macOS GUI builds for so many years. And to everyone in this thread and the build thread who shared fixes and binaries — Miklos, Ryu67, umzyi…	29	1710	April 24, 2026
Welcome to MKVToolNix' support community!	1	2087	October 7, 2023
Video file with FLAC from avidemux causing audio delay	1	14	April 25, 2026
Mkvmerge exectuable was not found error	0	22	April 17, 2026
Enabling audio and subtitles by language independently? help , feature-request	2	21	April 16, 2026
Apple Silicon: retirement of Rosetta 2	56	4855	April 13, 2026
Add dts convert to ac3 feature-request	8	847	April 12, 2026
Put audio 23.976 fps to film 24 fps	0	21	April 12, 2026
Batch removing attachments help	4	39	April 11, 2026
Does mkclean preserve Dolby Vision in MKV files? help	4	57	April 9, 2026
Mac v98 dmg download?	2	167	April 7, 2026
Having trouble multiplexing video segments together help	0	31	April 5, 2026
Bulk Merge Subtitles	1	82	April 4, 2026
Dune HD SOLO/MAX 8K - remux Leon (playlist multi m2ts files)	0	27	April 3, 2026
Problem with an MKV where the audio file is longer in duration than the video file	3	32	April 2, 2026
Strip foreign languages out of a folder full of several MKV files? help	1	37	March 28, 2026
Building MKVToolNix with Gui on a mac	23	1905	March 19, 2026
Mkvmerge continually getting hung when applying timecodes help , bug	1	24	March 14, 2026
MKVmerge & Dolby Vision video stream	4	86	March 8, 2026
Default Attachments (Fonts... etc)	2	30	March 8, 2026
Merging two files not working-what am i doing wrong?	2	61	February 28, 2026
Where to get a download that works?	6	159	February 24, 2026
Make all subtitles in an MKV file non-standard via command line	9	2241	February 18, 2026
Need help split single-file DVD Rips of TV Seasons "Invalid time for '--split' in '--split timestamps::"	2	29	February 12, 2026
MKVtoolnix Won't Split File Under 10 Seconds?	4	49	February 5, 2026
Unmodified output is half the size of the input help	9	66	February 2, 2026
Name of tracks tv help	3	33	January 27, 2026
Cannot extract S_DVBSUB	3	46	January 25, 2026
Again,,, the new file is MUCH MUCH smaller help	2	200	January 22, 2026
Mkvmerge vs ffmpeg concat demuxer	4	707	January 19, 2026

MKVToolNix GUI builds for macOS (ARM + Intel)

Hi everyone, First, a big thank you to Moritz for MKVToolNix and for providing macOS GUI builds for so many years. And to everyone in this thread and the build thread who shared fixes and binaries — Miklos, Ryu67, umzyi…