The extension is primarily used by FPse (a popular Android PS1 emulator) and Bleem! (an early commercial emulator). Like .MCR, a .MCD file also represents a full memory card image, but the internal layout and header information can differ from the .MCR format.
In the menu, choose Save As . In the “Save as type” dropdown, select Bleem! Memory Card (*.mcd) . Choose a destination folder and give the file a name. Click Save .
mapping = ... commands = parse_mcr_lines(file) nodes = [map_command_to_node(c, mapping) for c in commands] mcd = build_mcd_structure(nodes, metadata) write_json(mcd, outpath) mcr to mcd converter
This format is used by older emulators like Bleem! and certain modern RetroArch cores. While it often holds the exact same raw data as an MCR file, some emulators append a small header to the file, altering its structure slightly.
In the "Save as type" dropdown menu, select . Name your file and click Save . Troubleshooting Common Conversion Issues The Emulator Says the Card is Unformatted The extension is primarily used by FPse (a
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Head to the developer's official page at onorisoft.free.fr/psx/psx.htm to download the latest version. It's a portable application, so no installation is needed; just unzip the folder and run the .exe file. In the menu, choose Save As
How to import a memory card file.( Retroarch) : r/PlaystationClassic
Whether you are a casual gamer who just wants to continue a save on a different emulator or a dedicated collector who wants to preserve decades‑old save files, understanding how to convert between .MCR and .MCD formats will make your life much easier. With the step‑by‑step guide and troubleshooting tips provided in this article, you can now convert any PS1 memory card file with confidence.
If you have been playing a 50-hour RPG on a modern PC emulator (which outputs .MCR ), and you suddenly want to transfer that progress to your jailbroken PS3 or an older standalone emulator (which requires .MCD ), the system will not recognize the file. A converter rearranges the internal header data of the file so the target software can read your save data perfectly without corrupting your progress. How to Convert MCR to MCD