Clypo is a tool to export and import the content of the Nintendo 3DS layout files: BCLYT (Binary CTR LaYouT).
The tool runs in Windows, Linux and MacOS. You can get the latest version from the GitHub release page.
Clypo.Console.exe export input.bclyt output.yml output.po
Clypo.Console.exe export-dir input output
Clypo.Console.exe import input.yml input.po original.bclyt output.bclyt
Clypo.Console.exe import-dir original input output
This software is license under the MIT license.
The specification of the BCLYT is based on assembly research in the game Attack of the Friday Monsters, information from 3dbrew and part of the material section from Every File Explorer by Gericom.