NitroViewer — Nintendo DS ROM Viewer & Editor

NitroViewer is a modern web app for browsing and editing Nintendo DS ROMs — a replacement for Tinke. Open a .nds file to explore its filesystem and view or edit its graphics and 3D models.

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What you can do

• Browse a ROM's filesystem and its NARC archives.
• View and edit 2D graphics — NCGR sprites, NCLR palettes, NSCR tilemaps, NCER cells and NANR animations.
• View NSBMD 3D models with NSBTX textures and NSBCA / NSBMA / NSBVA / NSBTP animations, plus SPA particle effects.
• Import a PNG over a sprite and save the modified .nds; export PNG, glTF and raw files.
• Browse SDAT sound archives, play SSEQ sequences and SWAV/STRM samples, and import a WAV over a wave.

Supported formats

NDS ROM, NARC, NCGR, NCLR, NSCR, NCER, NANR, NSBMD, NSBTX, NSBCA, NSBMA, NSBVA, NSBTP, SPA, SDAT, SSEQ, SWAR, SWAV and STRM.

Frequently asked questions

Is NitroViewer open-source?

Yes — it's open-source (GPLv3), built on the Nds4j library.

Is it a Tinke replacement?

Yes. NitroViewer is a modern, web-based equivalent of the classic Tinke desktop tool for Nintendo DS files.

Which games work with it?

Any Nintendo DS ROM. It's especially useful for Pokémon Generation IV and V ROM hacking — Diamond, Pearl, Platinum, HeartGold, SoulSilver, Black and White.

Do I need to install anything?

No. NitroViewer runs in your web browser — there's nothing to download or install.