Free tool

Caption timestamp formatter

Paste simple timestamp lines and get valid SRT caption blocks you can drop into your editor or player.

Input (timestamp + text per line)

Format: m:ss caption text or h:mm:ss text

SRT output

1
00:00:00,000 --> 00:00:14,900
Welcome to the demo

2
00:00:15,000 --> 00:01:01,900
Here is the main feature

3
00:01:02,000 --> 00:01:05,000
Thanks for watching