Hi Product Hunt! 👋 I'm excited to share Nada Sai ("Nothing Leaves" in Portuguese) with you today! Like many of you, I frequently need to convert a PDF, strip background from an image, cut an audio clip, or obscure sensitive information on a document. But almost every popular online tool forces you to upload your personal files to unknown cloud servers. For contracts, ID cards, financial reports, or private photos — that’s a huge privacy risk. That's why I built Nada Sai: a privacy-first web app with 33 tools running 100% client-side inside your browser. 🔒 How it works: - Zero backend servers. Every conversion, edit, compression, and AI operation runs locally using WebAssembly (WASM), Web Workers, and Canvas APIs. - Background removal uses an in-browser AI model (IS-Net). - OCR (text recognition) uses local Tesseract WASM. - PDF to Word (.docx) parses pages in-browser without sending a single byte anywhere. - AES-256 encryption encrypts files directly in your browser tab. - PWA ready: Once loaded, it works entirely offline. I’d love to hear your feedback, tool requests, and thoughts! What tool should we add next? Let me know in the comments below! 👇

Nada Sai

33 free, 100% offline tools for PDF, Image, Audio & Privacy

33 free, 100% offline tools for PDF, Image, Audio & Privacy