SRT file content information and troubleshooting

SubRip Text file format (.srt) files are the most common timed-text files submitted to Prime Video Slate. These files contain the following four repeating elements:

1. A sequential counter number
2. The start and end times for the subtitle’s onscreen appearance
   The timecode format is hours:minutes:seconds,milliseconds with time units always two digits, except for milliseconds. Milliseconds are expressed in three digits. Colons separate all the values except for milliseconds; a comma is used before milliseconds.
3. Subtitle text (one or two lines)
4. A blank line containing no text

Example SRT file contents

The following table shows a correct SRT file example.

Common SRT file submission errors

The tables in this section show various SRT file examples, and illustrate common errors.

Plain text
Problem: Missing elements #1 (sequential counter numbers) and #2 (start and end times for each subtitle’s appearance).

Missing sequential counter number
Problem: Missing element #1.

Unsupported characters and emojis
Problem: Use of unsupported characters and emojis

Unbounded style tags
Problem: HTML tags must be balanced. In this example, note that the u element is not fully contained by the i element.

Unsupported font element attribute
Problem: HTML font element attribute value is missing quotes.

In the following example, the font element parameter of color is missing the required quotes around #00A8E1. You can use single (') or double (") quotes.