What is .AQQ ?

19k+ file extensions explained, verified on real systems and kept up to date - since 2014.

Drop any file here or browse read locally · nothing is uploaded

Identify an unknown file in one second

Analyzed in your browser. The file never leaves your device - no upload, no server.
Real signature check. We compare magic bytes against 1,900 known formats - renamed files can't hide.
Instant answer. Format name, safety notes and programs that open it.

File of the day

November 4, 2026
.TMP
Temporary File
System Files
updated Jul 5, 2026

Files with the .tmp extension contain different types of data stored temporarily. It is a general extension - such files may appear in both text and binary form. There is no specified data structure for .tmp files; the internal format depends entirely on the…

OPENS ONLinuxMac OSmacOSWindows

Browse by category

All categories

Popular conversions

All conversion guides
The database at a glance

File formats, the programs that open them and how to convert between them - with the technical details in one place. Browse everything →

19k+extensions
13k+programs
16k+conversions