Save converters

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Save converters can change a save from one format to another. Emulators can sometimes use a different file format.

.srm <-> .sav

  • - Convert .srm files to .sav and vice versa. If you have a save file from a specific place like the MiSTer, a flash cart, or a Retron 5 please use one of the converters below instead.

PlayStation 1

PlayStation 1<->PlayStation Portable

PlayStation 2

Game Boy Advance

Nintendo DS

Nintendo 64

  • Convert N64 DexDrive (.n64) files to/from emulator/controller pak saves. Also can extract cart saves within the DexDrive file for direct use in emulators
  • Extract or build N64 Controller Pak (.mpk) files to/from individual saves. Also can extract cart saves within the Controller Pak file for direct use in emulators
  • pj64tosrm (windows binaries here) converts eep, mpk, fla and sra files to libretro-mupen64plus srm files. Just drag the files onto the executable and an srm file should be generated on the same folder the input files came from. You can also drop a libretro-mupen64plus srm file on the tool to extract the original files. DexDrive and Adaptoid64 saves are not supported yet.
  • It is possible to use 512-byte eep files with libretro-mupen64+ simply by renaming the file to srm, but reversing the operation requires pj64tosrm. Bigger eep files require pj64tosrm due to a mistake during the implementation of srm support in the early days of the mupen64+ port to the libretro API.
  • [1] Convert eep, sra, fla, mpk to or from retroarch save. Also byteswaps saves for playing to or from Wii/WiiU and PC.

Sega CD

  • Change the size of Sega CD backup RAM files: different emulators support different sizes. Also allows you to convert an internal memory file to a RAM cart file or vice versa. And you can split out and recombine the saves within any file as needed.

Wii Virtual Console


Flash cartridges

Nintendo Switch Online

Online emulation websites

  • Convert save states from online emulation websites to in-game saves usable by a regular emulator. Be sure to perform an in-game save before creating/downloading your save state. Only the in-game save can be converted.

Retron 5 / RetroFreak