the opening dialogue to see if the text appears too early or too late.
in VLC to speed up the subtitle if the text appears after the audio. 🛠️ Step 4: Permanently Merge the Subtitle Open a tool like MKVToolNix.
the exact filename of your video file (excluding the .mkv or .mp4 extension).
"Start multiplexing" at the bottom to merge them into a single file without losing video quality.