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AI & Autonomous Agents•7 min read•2026-10-15

Offline Semantic Search: In-Browser Vector Embeddings with Transformers.js and Voy

Building fast, client-side semantic search engines using miniLM embeddings, cosine similarity, and zero external vector databases.

C
Castov Engineering
Core Platform & DevSecOps Team

Quantized Embedding Models in the Browser

Embedding models like all-MiniLM-L6-v2 convert text into 384-dimensional dense vectors. Quantized to 8 bits, this model occupies less than 30MB of memory and executes inference in under 15ms per chunk.

Local-First & Zero-Telemetry Computing

Automate Your Development Workflows Without Cloud Telemetry

Castov provides 61+ client-side utilities, local secret vaults, and CLI tools that execute entirely in your browser or native Windows workstation. Zero tracking, zero tokens sent to third-party clouds.