MKVToolNix community & help forum

Topic	Replies	Views	Activity
MKVToolNix v101.0 released Announcements Hey y’all! The first release after the milestone round version v100 is here, v101. It’s pretty small, but I still suggest everyone update due to the inclusion of updated underlying libraries libEBML & libMatroska. Both …	0	124	August 24, 2026
Welcome to MKVToolNix' support community! Help	0	2230	June 14, 2023
Chapters when merging mkv files Help	3	5	October 12, 2026
Split by frame range: option to snap the start to the previous keyframe Suggestions	1	6	October 11, 2026
MKVToolNix only in system HD Help	0	10	October 10, 2026
Regression: MKVToolNix v99/v100 crashes on startup with ASUS Strix Soar driver (v98 works) Help	7	78	October 8, 2026
Remux Video Audio with Time Stretch Help help	0	13	October 6, 2026
Header Editor Removes Duration Information Help	2	36	September 20, 2026
macOS 27 Issue - Checkboxes Missing in Codec Column Help	0	41	September 16, 2026
Two titles appearing on a file Help	5	26	September 16, 2026
Multiplexer imports name starting with version 100 Help	2	19	September 15, 2026
`Execute a program` not receiving the correct data Help	3	33	September 5, 2026
Error using command line to extract SUB/IDX files from a dvdsub track in MacOS Help	4	33	September 4, 2026
Question about license Help	4	39	September 3, 2026
Problems with MacOS and OCLP Help help , bug	2	466	August 31, 2026
Trying to merge 2 MKV files- fails immediately Help help	10	897	August 30, 2026
Create a Music Album with MKVToolNix Help help , specification	5	104	August 27, 2026
Apple Silicon: retirement of Rosetta 2 Help	59	6455	August 16, 2026
Dub Flag in mkv Help	2	55	August 15, 2026
Aspect ratio changed after splitting file into two files Help	0	23	August 15, 2026
Splitting by Chapter Sometimes Compresses Output Display Width? Help	0	22	August 11, 2026
Unable to see or delete embedded subtitle Help help	2	79	August 10, 2026
How add tags to a mka file Help	0	29	August 5, 2026
Batch renaming mkv files with original video title name isntead of filename Help help	5	111	July 27, 2026
Cut a Single Part of a Video Help	1	60	July 25, 2026
Does mkclean preserve Dolby Vision in MKV files? Help help	5	179	July 24, 2026
Merge 2 subtitle fails Help bug	2	51	July 16, 2026
Cannot find a way to load a BluRay disc image Help	1	69	July 12, 2026
Mkv audio track has 2 languages on 1 track, can i remove 1 of them Help	1	64	July 8, 2026
Have lots of MP4 files to convert to mkv and remove all audio tracks except one and all subtitles Help	3	118	July 6, 2026

MKVToolNix v101.0 released

Hey y’all! The first release after the milestone round version v100 is here, v101. It’s pretty small, but I still suggest everyone update due to the inclusion of updated underlying libraries libEBML & libMatroska. Both …