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	366	May 24, 2026
Welcome to MKVToolNix' support community! Help	1	2141	October 7, 2023
Ffmpeg "Pixelsmash" vulnerability and issue? Help	4	20	June 25, 2026
Newbie help getting started... If it's even possible! Help help	13	19	June 25, 2026
SamA MKV Batch Script \| Remove Tracks by IDs, Languages, and NAMES \| Add External Tracks Other	1	43	June 23, 2026
Delete bulk sustitles Help	2	36	June 23, 2026
Bulk Merge Subtitles Help	2	125	June 7, 2026
Why is MKVToolNix asking me to update from 89.0 to 99.0 if my MacOS is version 12.7.6 Monterey, when it's only valid for Ventura and later versions? Help	1	52	June 6, 2026
Center Channel? Help	3	47	June 5, 2026
Future of MKVToolnix Other	2	97	June 3, 2026
I Need to Produce the "mkvinfo outputs not enough information (e.g. no track information)" Problem Help	2	78	May 29, 2026
MKVToolNix GUI builds for macOS (ARM + Intel) Help	45	4055	May 24, 2026
The future distribution of MVKToolNix GUI on macOS Other	14	475	May 24, 2026
Help with creating a batch file Help	5	97	May 21, 2026
Mkvmerge auto sync issue video stream to audio stream Help	1	56	May 21, 2026
Can't log into the codeberg Other	1	25	May 10, 2026
Append/ Multiplexing Issues Help	1	45	May 7, 2026
Multi-part episode subtitles Help help	1	42	May 5, 2026
Set Track to Default if track name contains SDH? Help	1	25	May 4, 2026
Combining Ten Commandments Disk 1 and 2 Help	0	35	May 2, 2026
Duration discrepancy for audio streams in FFmpeg-written Matroska files Help help	1	37	May 2, 2026
Continue to recalculate output file name after creating one output file Suggestions	1	35	April 27, 2026
Video file with FLAC from avidemux causing audio delay Help	1	41	April 25, 2026
Mkvmerge exectuable was not found error Help	0	47	April 17, 2026
Enabling audio and subtitles by language independently? Help help , feature-request	2	46	April 16, 2026
Dark Mode visual change request Suggestions	1	49	April 14, 2026
Apple Silicon: retirement of Rosetta 2 Help	56	5794	April 13, 2026
Add dts convert to ac3 Help feature-request	8	1021	April 12, 2026
Put audio 23.976 fps to film 24 fps Help	0	49	April 12, 2026
Batch removing attachments Help help	4	104	April 11, 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…