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Dev.to
5/12/2026
I Built a Browser-Only Image Vectorizer with WebAssembly

I Built a Browser-Only Image Vectorizer with WebAssembly

Short summary

Developer built Vectorize Image, a free browser-only PNG/JPG/WebP-to-SVG converter using Rust's vtracer algorithm compiled to WebAssembly—processing happens entirely client-side with no server upload, watermark, or account required. Three presets (Logo, Sketch, Photo) are optimized for use cases where vector tracing excels: logos, icons, signatures, and line art, with honest UX warnings about limitations on complex photographs. Web Workers handle computation off-thread; static Cloudflare Pages deployment means near-zero hosting costs and strong privacy guarantees.

  • Browser-only image vectorizer using Rust + WebAssembly, no server uploads
  • Three presets (Logo, Sketch, Photo) for real use cases with transparent limitations
  • Privacy-first architecture; static deployment with zero hosting costs

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