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EZ ROM Patcher

SNES Save Converter

Short answer

Open a Super Nintendo save and download it as an .srm for Snes9x, bsnes, RetroArch or an FXPAK, or as a .sav for other emulators and flash carts. Both hold the same SRAM bytes. Retron 5 saves are unpacked, and you can trim or pad a save to the SRAM size the game uses.

Convert a save

Or drop them here. They are read on this device and never uploaded.

Which SNES save formats does it convert?

A SNES cartridge keeps its save in battery-backed SRAM, from 2 KB to 128 KB. Emulators and flash carts store those bytes as they are.

FormatFilesUsed by
SRAM save.srmSnes9x, bsnes, RetroArch, ZSNES, FXPAK / SD2SNES
SRAM save.savflash carts, other emulators
Retron 5 save.sav (open only)Retron 5 console

How to convert a SNES save

  1. Open your save

    Drop the .srm or .sav, or a Retron 5 save.

  2. Check what was found

    The converter names the format it found and lists the saves inside, with any problem it spotted in the file.

  3. Pick the format you need

    Press .srm or .sav. Use Save size if the target wants the file at a different size.

  4. Copy it into place

    Put the downloaded file where your emulator or device keeps its saves, using the name the game expects.

What about the two SNES games with a clock?

Daikaijuu Monogatari II has an S-RTC chip and Tengai Makyou Zero has the SPC7110 clock. Snes9x and RetroArch keep that clock in a separate .rtc file next to the save. Copy the .rtc along with the converted .srm; the save itself needs no change.

Other save converters

  • PS1 Save Converter: Memory cards (.mcr, .mcd, .srm), PSP and Vita .VMP, DexDrive .gme, PS3 .PSV and single saves.
  • PS2 Save Converter: PCSX2 .ps2 cards, EMS .psu, Action Replay .max, CodeBreaker .cbs and PS3 .PSV.
  • N64 Save Converter: EEPROM, SRAM, FlashRAM and Controller Pak saves, RetroArch .srm, EverDrive 64 and DexDrive .n64.
  • GBA Save Converter: Raw .sav, RetroArch .srm, GameShark .sps and .gsv, Action Replay .xps, with resizing.
  • DS Save Converter: Raw .sav, DeSmuME .dsv and Action Replay .duc / .dss, with trimming and padding.
  • GameCube Save Converter: Single .gci, GameShark .gcs and MaxDrive .sav saves, and whole Dolphin .raw cards.
  • Game Boy Save Converter: GB and GBC .sav and .srm, with the MBC3 real-time clock carried across.
  • Genesis Save Converter: Gens and Kega Fusion, RetroArch Genesis Plus GX, Retrode, MiSTer and MegaSD saves.
  • Saturn Save Converter: Mednafen .bkr and .bcr, Beetle Saturn, Yabause and plain memory images, plus single .BUP saves.
  • Dreamcast Save Converter: VMU images, Nexus .DCI saves and .VMS with .VMI pairs.

Frequently asked questions

Does renaming .srm to .sav work for SNES?

Yes. The bytes are the same. The converter also fixes the size, which is the usual reason a renamed save does not load.

Does it open Retron 5 saves?

Yes. The Retron 5 header and compression are removed and the checksum is checked. Writing Retron 5 files is not supported.

Does the ROM header matter for saves?

No. The 512-byte copier header is part of the ROM file, not the save.

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