You can import 3DS format to Blender and after export the file to the default BLEND file type.
Convert 3ds Max (3D Studio MAX) graphics to Blender 3D data file.
We have found 3 software records in our database eligible for .3ds to .blend file format conversion.
Microsoft Windows software - convert 3ds to blend on Windows
A very popular free program used for work with 3D graphics
Convert from 3ds file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned 3ds to blend. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert 3ds to blend on OS X
The Mac version of popular free 3D graphics software
Linux/Unix software - convert 3ds to blend on Linux
Easy-to-use 3D modeling utility