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© 2026 Yashvardhan Singh · New Delhi, India

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Research Systems · 2026

OpenTex local-first WebAssembly LaTeX IDE

Zero local TeX Live setup. Local-first in-browser LaTeX workspace and compiler powered by WebAssembly for research papers, resumes, and slides.

Creator & systems engineerWebAssemblyTypeScriptNext.jsLaTeX EngineLocal-First ArchitectureIndexedDB
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Situation

Academic paper writing and technical authoring in LaTeX traditionally require massive 5GB+ local TeX Live installations or closed cloud subscriptions with network latency and privacy exposure.

Constraint

Zero local installation: must execute TeX compilation entirely in the client browser with sub-second reload cycles while keeping all document projects private and offline-capable.

Decisions

Engineered an in-browser compilation pipeline leveraging WebAssembly TeX binaries, built a local-first virtual filesystem persisted in IndexedDB, and integrated instant live PDF preview.

Outcome

Shipped at opentex.yashvardhan.dev with zero server compute required, instant in-browser compilation, and full local-first document privacy.

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