File Format Encyclopedia — 142+ Formats | FileDex

What do you want to do?

Change a file from one format to another

mp4pngmp3gifpdf +28

Make it smaller

Reduce file size while keeping quality

mp4pngjpgpdf +30

Pull the sound track out of a video

Change dimensions or resolution

pngjpgmp4gif +18

Inspect & understand

See what's inside any file format

all 142 formats +141

Understand risks of a file type

exedllapkdmg +138

Popular conversions

.mp4 → .gif animation .mp4 → .mp3 extract audio .png → .jpg reduce size .png → .webp web optimized .mov → .mp4 universal .wav → .mp3 compress .flac → .mp3 portable .pdf → .jpg extract pages .webm → .mp4 compatibility .jpg → .png lossless

Browse all 142 formats →