The original title is "A 100% client-side toolbox: shipping 17 calculators with no backend"

Short summary

A developer built PostMicroTools, a suite of 17 client-side calculators for video post-production (bitrate, storage, LUT preview) with zero backend. Privacy, cost, and UX benefits are compelling: no data leaves the browser, static files cost nothing, and results update instantly. The architecture uses filesystem routing, data-driven codec profiles, and WebGL for LUT previews.

• •17 client-side video production calculators with no backend, prioritizing privacy and cost
• •Codec profiles encoded as data rows consumed by a single formula for easy extension
• •WebGL 3D textures enable real-time LUT preview with before/after wipe at 60fps

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