Turf

Modular geospatial processing and analysis engine for developers.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is Turf?

Turf is a powerful library for performing geospatial operations in JavaScript. It provides a wide range of functions to analyze, transform, and visualize geographic data, making it essential for web applications that require spatial analysis capabilities.

Key differentiator

Turf stands out by offering a comprehensive set of geospatial functions directly in JavaScript, making it an essential tool for developers working on web-based geographic applications.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Wide range of geospatial functions for analysis and transformationmedium

Modular design allows for flexible integration into projectsmedium

Supports various geographic data formats including GeoJSONmedium

↓ Weaknesses

Limited language support beyond JavaScripthigh

Turf is primarily designed for JavaScript, which can be a limitation for projects that require geospatial operations in other languages.

Performance issues with large datasetsmedium

Processing large geographic data sets can lead to performance bottlenecks and increased memory usage, impacting real-time applications negatively.

Documentation lacks depth for advanced use caseshigh

The documentation is thorough for basic operations but falls short when it comes to explaining more complex functionalities or edge cases.

Complex setup for integrating with other librariesmedium

Integrating Turf with other geospatial libraries and tools can be cumbersome due to differences in data formats and API design.

Fit analysis

Who is it for?

✓ Best for

Developers building web applications that require complex geospatial operations and analysis.

Teams working on GIS projects who need a robust JavaScript library for spatial data processing.

✕ Not a fit for

Projects requiring real-time streaming of geographic data (Turf is not designed for real-time use cases).

Applications needing extensive support for non-GeoJSON formats, as Turf primarily works with GeoJSON.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Turf

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →