Play Nintendo Entertainment System games directly in your browser. Pure 8-bit emulation running locally via WebAssembly — no cloud servers, no accounts.
A full-featured NES emulator with modern enhancements.
Save and load your progress instantly across 4 slots. Keyboard shortcuts make it effortless — F5 to save, F7 to load.
Plug in any controller — Xbox, PlayStation, Switch Pro, 8BitDo — and it's automatically mapped. No configuration needed.
Relive the authentic 80s experience with 7 shader effects including CRT Lottes, scanlines, and phosphor glow.
Fast-forward through grinding or slow down for tricky sections. Full speed range from 0.25× to 4×.
Full keyboard mapping: Arrow keys for D-Pad, Z/X for B/A, Enter for Start, Shift for Select. Just like the original.
Everything runs locally. No accounts, no cloud servers, no telemetry. Your ROMs and save states never leave your device.
Capture your best moments with one tap. Screenshots save as PNG with the game name and timestamp.
Just drag your ROM file onto the window. Supports .nes and .zip formats. It couldn't be simpler.
Free, open source, and works entirely offline. Just add it to Chrome and drop in your ROMs.
Add to Chrome — It's Free