Add the chapter list you already prepared for your video.
FREE TRANSCRIPT & SUBTITLE TOOLS
YouTube Chapter
Formatter
Turn messy chapter timestamps into clean, copy-ready YouTube chapters and catch obvious formatting problems before you publish.
Free·No signup·Browser processing
INPUT
Paste your chapters
One timestamp and chapter title per line
OUTPUT
YouTube-ready chapters
0:00
Your formatted chapters will appear here.
Leading zeros are cleaned automatically
We normalize timestamps and flag obvious chapter-list mistakes.
Copy the clean chapter list and paste it wherever you need it.