Show HN: YuliusBox – 26 free tools that run in the browser

Category: devtools

Tags: privacy, webassembly, browser-tools, client-side, productivity

Score: 6.0/10 (Innovation: 5, Technical: 6, Documentation: 7, Utility: 6)

YuliusBox is a collection of 26 browser-based productivity tools, many running entirely client-side via WebAssembly (FFmpeg, Whisper) and Canvas for privacy-preserving media processing. It combines on-device computation with selective server-side AI and document conversion services, emphasizing security (SSRF protection, rate limiting) and zero data retention.

Target audience: privacy-conscious users, freelancers, HR teams, developers, and anyone handling sensitive files

Repository: https://www.yuliusbox.com · TypeScript · MIT

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