Tech riderRev. 20 Sept 2026
WebNES
- 1Runs onWeb
- 2CostsNot stated by the maker
- 3Supported platformsWeb browsers; optimized for Chrome and unsupported in Internet Explorer
- 4Save statesYes
- 5Shader supportYes
- 6Cheat supportYes
5 lines stated Written from the maker's own pages: github.com
Overview
WebNES is ranked #14 of 26 in NES emulators on Specifiction. It runs on Web.
Compared on NES emulators
- Free plan
- Yesgithub.com
- Supported platforms
- Web browsers; optimized for Chrome and unsupported in Internet Explorergithub.com
- Save states
- Yesgithub.com
- Shader support
- Yesgithub.com
- Cheat support
- Yesgithub.com
Facts
- Product
- WebNES is a JavaScript NES emulator built with HTML5 canvas and optimized for Chrome's V8 engine.github.com · 4 Oct 2026
- Browser demo
- The maker links to a playable release build hosted on GitHub Pages.github.com · 4 Oct 2026
- Game compatibility
- It supports common NES mapper formats, and the README estimates that approximately 98% of games should work.github.com · 4 Oct 2026
- Graphics and audio
- It supports WebGL with canvas fallback, selected shaders including CRT monitor emulation, and audio through the HTML5 WebAudio API.github.com · 4 Oct 2026
- Controls and saves
- Features include remappable keyboard keys, game pad support, and quick save and quick load save states.github.com · 4 Oct 2026
- Other player features
- It supports screenshots, NTSC and PAL, ZIP ROM loading, variable game speed, and a Game Genie code database.github.com · 4 Oct 2026
- Developer feature
- The emulator can generate trace logs for CPU instructions and PPU events for ROM authors or other emulator authors.github.com · 4 Oct 2026
- Compatibility limit
- Internet Explorer is explicitly unsupported because of performance issues and its lack of real typed arrays.github.com · 4 Oct 2026
- Build requirements
- The project can run without building; building requires npm and Bower, and the README provides Windows and Linux build instructions.github.com · 4 Oct 2026
- License
- The repository identifies its license as MIT.github.com · 4 Oct 2026
- Maker and audience
- Pete Ward describes himself as a game development software engineer and calls WebNES his browser NES emulator written in JavaScript.github.com · 4 Oct 2026
- Graphics
- It supports WebGL with a canvas fallback and includes selected shaders such as CRT monitor emulation.github.com · 4 Oct 2026
- Audio
- Audio support uses the HTML5 WebAudio API.github.com · 4 Oct 2026
- Controls
- Keyboard keys can be remapped, and game pads are supported.github.com · 4 Oct 2026
- Game Genie
- A database of Game Genie codes lets players activate or deactivate known codes for a loaded game.github.com · 4 Oct 2026
- Development tools
- Trace logs for CPU instructions and PPU events are available for ROM authors and other emulator authors.github.com · 4 Oct 2026
- Browser limitation
- The README says Internet Explorer is entirely unsupported because of performance issues and its lack of real typed arrays.github.com · 4 Oct 2026
- Maker background
- Pete Ward’s GitHub profile describes him as a game development software engineer with over 20 years of coding experience.github.com · 4 Oct 2026
- Project history
- Pete Ward’s profile says WebNES was started in 2013 and was originally ported from his C++ NES emulator.github.com · 4 Oct 2026
Best WebNES alternatives
See all 12 All accessCh 01 NESER Free planLinuxMac Free to start7.5 All accessCh 02 Nintengo LinuxMac 7.2 All accessCh 03 Dendy LinuxMac 7.1 All accessCh 04 HalfNES Free planLinuxMac Free to start7.1 All accessCh 05 binjnes Free planLinuxMac Free to start7.0 All accessCh 06 NET-NES Free planLinuxMac Free to start7.0
Where it ranks on Specifiction
- Best NES Emulators in 2026#14 of 26
Is WebNES yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- github.com/peteward44/WebNES· checked 4 Oct 2026
- github.com/peteward44· checked 4 Oct 2026