Bulk Merge Subtitles

Does anyone know if you can bulk merge pairs of subtitles via this or the bulk tool?

I can only combine two subtitles files at once but I have, for example, 12 sets of 2 to combine but can’t find a way to do it in bulk.

Would be awesome to do 12 episodes of pairs at once instead of one at a time

Thanks :slight_smile:

This Was a post similar to yours back in 2024, and the answer is mostly, make a script using the CLI.

Fortunately I’m also in your same boat, I download a lot of anime for my media server and get its subs externally, so Ive written a few powershell scripts that merges, filters, and edits audio and subtitle tracks. It’s pretty primitive since I just recently started working on it, but I’ll keep improving them into hopefully a fully fledge app in the future.

Here’s the repo if you want to check it out

MKVToolnix Batch Tool GitHub - iPzard/mkvtoolnix-batch-tool: Batch video and subtitle processing program with the ability to add, remove, or extract subtitles from all video files in a directory and its sub-directories. · GitHub

The subtitle names don’t have to exactly match the video files. For example if you demux subtitles with gMKVExtract GUI there’s stuff added to the ends of the subtitle file names but that doesn’t matter to the batch tool.

The batch tool can simply add the new titles or it can delete existing titles and replace them. It can also delete the old video files after it’s done.