2022-10-27_17-33-52~3.mp4 < 99% CERTIFIED >

Go to YouTube Studio and select your video.

Rename the file to include a descriptive tag while keeping the date. Example: 2022-10-27_173352_Family-Dinner.mp4

Stick to dashes, underscores, and alphanumeric characters to ensure compatibility across different operating systems. Step 2: Creating Navigable Chapters 2022-10-27_17-33-52~3.mp4

The first timestamp MUST be 0:00 (e.g., 0:00 - Introduction ).

You can add chapters to an MKV file losslessly. If you need it back in MP4 format, tools like Xmedia Recode or ffmpeg can "copy" the video while retaining the new chapter metadata. Go to YouTube Studio and select your video

Create a contact sheet with timestamps from a video with ffmpeg

In players like VLC Media Player , use Ctrl+B (Windows) or Cmd+B (Mac) to create temporary bookmarks for quick navigation. 📽️ Step 3: Video Extraction (Optional) Step 2: Creating Navigable Chapters The first timestamp

Use ffmpeg -ss [START] -to [END] -i "2022-10-27_17-33-52~3.mp4" -c copy "clip.mp4" to cut a segment without losing quality.