libpostal
A C library that parses and normalizes street addresses from around the world using statistical NLP and open geo data. It is used to clean addresses and match duplicate records.
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Share on XLicense: MIT
Overview
libpostal is a C library for parsing and normalizing street addresses from around the world. It uses statistical NLP trained on open data, with the goal of understanding location-based strings in every language. Addresses are essential for map applications such as place search, delivery and check-ins, and they carry many local conventions. The README links to blog posts that describe the research behind it.
Key features
- Parses street addresses into components
- Normalizes addresses from many countries and languages
- Built on statistical NLP and open geo data
- Written in C
Best for
Developers of map, delivery or data-cleaning applications who must interpret free-form addresses, including for deduplicating or linking records.
- Upstream
- openvenues/libpostal
- Fork on GitHub
- Guo-astro/libpostal
- Upstream stars
- 4.9k
- Category
- Maps and geospatial
- Language
- C
- License
- MIT
- Forked
- 2021-01-24
- Sync status
- In syncLast synced 2026-10-19
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