The File Format Database

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File Type of the Day

Today • May 28


Advanced Audio Coding File

An AAC file is an audio file similar to an .MP3 file but compressed with Advanced Audio Coding (AAC), a lossy digital audio compression standard. The lossy compression maintains quality nearly indistinguishable from the original audio source, making it optimal for compressing music data.

May 27


JavaScript File

A JS file is a plain text file that contains JavaScript code. It is used to execute JavaScript instructions in a webpage.

May 26


VobSub Subtitles Index File

An IDX file is a subtitles index file created and used by VobSub, a program that allows users to extract subtitles from DVDs. It contains a list of plain text settings and timestamps used to show the subtitles that a .SUB (VobSub Subtitles) file contains.

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