What is .3 file?3 is a raster image file originating from ZX Spectrum. Images are uncompressed.
File extension is .3.
Software handling .3 filesRest7 Free Online Converter
Structure of .3 imagesSorry, we haven't updated this section yet.
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Real world .3 samplesHere are some real world example pictures.
If you have graphics of this type, please upload them below: