# Metadata Source URL:: https://qdrant.tech/documentation/quantization/ --- # Quantization - Qdrant Qdrant is an Open-Source Vector Database and Vector Search Engine written in Rust. It provides fast and scalable vector similarity search service with convenient API. ## Highlights > [!quote]+ Updated on 010523_212039 > > Quantization is an optional feature in Qdrant that enables efficient storage and search of high-dimensional vectors. >By transforming original vectors into a new representations, quantization compresses data while preserving close to original relative distances between vectors. >Different quantization methods have different mechanics and tradeoffs. We will cover them in this section.