Hours:Minutes:Seconds to Seconds tool is a tool that converts time format from "hours:minutes:seconds" to "seconds" format. It can convert the input time string to seconds and display it in the output area.

Function description:

1. Enter the time string in the input box, such as "12:01:02".

2. The tool will automatically convert the time string to seconds and display it in the output box.

3. If the format of the input time string is incorrect, the tool will prompt "format error".

Usage scenarios:

1. Video editing: In the video editing process, it is necessary to convert the time code to seconds. Using this tool, you can easily convert the time code to seconds to better control the video timeline.

2. Audio editing: In the audio editing process, it is necessary to convert the time code to seconds. Using this tool, you can easily convert the time code to seconds to better control the audio timeline.

3. Time calculation: In some cases, it is necessary to convert the time string to seconds for calculation. Using this tool, you can easily convert the time string to seconds for calculation.