Persistent Storage in C++ Web Apps: WASMFS + OPFS with Emscripten

📰 Dev.to · Pigeon Codeur

Learn to use WASMFS and OPFS with Emscripten for persistent storage in C++ web apps

intermediate Published 11 Mar 2026
Action Steps
  1. Install Emscripten to compile C++ code to WebAssembly
  2. Use WASMFS to create a virtual file system in the browser
  3. Configure OPFS to interact with the file system
  4. Build a C++ web app using Emscripten and integrate WASMFS and OPFS for persistent storage
  5. Test the app to ensure data persistence between sessions
Who Needs to Know This

Backend developers and web developers working with C++ can benefit from this article to implement persistent storage in their web applications

Key Insight

💡 WASMFS and OPFS provide a solution for persistent storage in C++ web apps compiled to WebAssembly using Emscripten

Share This
🚀 Add persistent storage to your C++ web apps with WASMFS and OPFS! 💻

Key Takeaways

Learn to use WASMFS and OPFS with Emscripten for persistent storage in C++ web apps

Full Article

How to use WASMFS to get persistent storage for a web app in C++ Ever wanted to create an...
Read full article → ← Back to Reads

Related Videos

SEO with Claude Code — The Complete Course
SEO with Claude Code — The Complete Course
Conor Martin
Claude Design Can Make Marketing Videos Now(HyperFrames)
Claude Design Can Make Marketing Videos Now(HyperFrames)
Conor Martin
Claude Design is ACTUALLY Insane for Branding ( +Social Media)
Claude Design is ACTUALLY Insane for Branding ( +Social Media)
Conor Martin
chatgpt image 2 and claude design
chatgpt image 2 and claude design
Conor Martin
Chatgpt Image 2 + Claude Design for Social Media is CRAZY Good
Chatgpt Image 2 + Claude Design for Social Media is CRAZY Good
Conor Martin
Claude Code vs HappyCapy: Which is Better for Marketing Automation?
Claude Code vs HappyCapy: Which is Better for Marketing Automation?
Conor Martin