I Built a Free AI Background Remover Without Login Using JavaScript & ONNX — Here's How

I recently shipped NeumoStudio AI — a completely free browser-based image & PDF toolkit with NO login required and NO server-side processing.

Here's what it does:

✅ Remove Background from any image without login & without losing quality
✅ Compress PDF to exact 200KB / 100KB for government exam form uploads
✅ Passport Photo Sheet — remove background & generate 4x6 print-ready sheets
✅ Magic Object Eraser — erase people, watermarks from photos
✅ Image to PDF merger, PDF Password Lock/Unlock, and 8 more tools
Why I built it: Most background removal tools require accounts, charge monthly fees, or send your photos to a server. NeumoStudio does all processing 100% in the browser using ONNX Runtime Web + WebAssembly.

Tech Stack:

React + Vite (frontend)
ONNX Runtime Web (AI model inference in browser)
PDF-lib.js (PDF manipulation)
Deployed on Vercel (free tier)
👉 Try it free: https://neumorphism-studio.vercel.app/bg-remover

Would love feedback from the dev community! What tools are you missing?