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Head-to-head · PSP Emulators

PSP.js vs PSP Emulator Web

  • Updated Sep 2026
  • Both researched from official sources
  • 1 check side by side
Higher score PSP.js #6 in PSP Emulators 6.9/10 Open source ✓ 0 of 4 features Visit PSP.js
PSP Emulator Web #7 in PSP Emulators 6.8/10 Free plan Free plan✓ 0 of 4 features Try PSP Emulator Web

PSP.js leads on 0 checks, PSP Emulator Web on 1, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePSP.js · 6.9/10
  • Free planonly PSP Emulator Web

PSP.js scores higher on our rubric for psp emulators: 6.9 against 6.8 out of 10; our editors rank them #6 and #7.

PSP Emulator Web offers free plan; PSP.js doesn't publish it.

PSP.js is the better fit for web-based PSP emulation development. PSP Emulator Web is the better fit for self-hosted PSP emulation in a browser.

  • PSP.js fits best

    Web-based PSP emulation development

  • PSP Emulator Web fits best

    Self-hosted PSP emulation in a browser

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature PSP.js 6.9/10 Visit ↗ PSP Emulator Web 6.8/10 Visit ↗
At a glance
Editor score 6.9 6.8
Ranking #6 in PSP Emulators #7 in PSP Emulators
Best for Web-based PSP emulation development Self-hosted PSP emulation in a browser
Pricing model Free Free
Starting price Not published Not published
Free plan Not published ✓ (best)
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Docs Docs
Built for Solo, Small business Solo, Small business
Features PSP.js 0/4 · PSP Emulator Web 0/4
Network multiplayer Not published Not published
Texture replacement Not published Not published
Homebrew support Not published Not published
Cheat support Not published Not published
Specs
Supported platforms web web browsers
Graphics backends Not published Not published
Our review
Pros
  • Loads ISO and PBP images, including KIRK-encrypted EBOOT decryption
  • Combines Allegrex CPU, VFPU, WebGL, and software rendering
  • Includes savedata, save states, video, audio, and headless diagnostics
  • Runs PPSSPP through WebAssembly in a browser
  • Supports local saves, settings, and optional Google Drive sync
  • Offers GitHub Pages deployment and Docker self-hosting
Cons
  • The project is explicitly marked as work in progress
  • Its documented platform support is limited to the web
  • Local setup and debugging tools suit technically inclined users more than casual players
  • Limited to web browsers
  • No verified multiplayer support
  • Advanced PSP feature support is limited
Our verdict

PSP.js is an open-source PSP emulator written in TypeScript for running in a web browser. It is aimed at developers and technically inclined users who want to work with PSP emulation in a web environment. The project uses high-level…

Read the review →

PSP Emulator Web is an unofficial, open-source browser interface for running the PPSSPP PSP emulator through WebAssembly. It is aimed at people who want browser-based PSP emulation, browser-local save storage, or a self-hosted deployment…

Read the review →
  1. PSP.jsPSP Emulators 6.9Open source
  2. PSP Emulator WebPSP Emulators 6.8Free plan

Strengths and trade-offs

  • PSP.js — where it wins

    • Loads ISO and PBP images, including KIRK-encrypted EBOOT decryption
    • Combines Allegrex CPU, VFPU, WebGL, and software rendering
    • Includes savedata, save states, video, audio, and headless diagnostics

    Where it doesn't

    • The project is explicitly marked as work in progress
    • Its documented platform support is limited to the web
    • Local setup and debugging tools suit technically inclined users more than casual players

  • PSP Emulator Web — where it wins

    • Runs PPSSPP through WebAssembly in a browser
    • Supports local saves, settings, and optional Google Drive sync
    • Offers GitHub Pages deployment and Docker self-hosting

    Where it doesn't

    • Limited to web browsers
    • No verified multiplayer support
    • Advanced PSP feature support is limited

More comparisons

All PSP emulators comparisons → · Full ranking →

Guides on PSP emulators

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update