Leaflet vs OpenLayers Comparison
Leaflet is a lightweight, mobile-friendly 2D mapping library with a large plugin ecosystem.
OpenLayers is an enterprise-grade GIS library with advanced projections and formats.
At a Glance
| Leaflet | OpenLayers | |
|---|---|---|
| Rendering | DOM + Canvas (2D) | Canvas + WebGL |
| Coordinate order | [lat, lng] | ol.proj.fromLonLat([lng, lat]) |
| Bundle size | ~42 KB gzipped | ~290 KB gzipped (tree-shakeable) |
| Learning curve | Easiest (simple API, great tutorials) | Steepest (projections, OGC standards, verbose API) |
| 3D support | No native 3D (2D only) | Limited: WebGL layers, no native globe |
| Plugin ecosystem | Largest (700+ plugins) | Enterprise-focused (OGC, WMS, WFS) |
| Examples on this site | 22 | 22 |
Leaflet vs OpenLayers Code Example
The same use case, Initialize a Map, implemented in both libraries. Click a library to expand its code.
Leaflet6 linesShow code
const map = L.map('map').setView([48.8566, 2.3522], 13);
L.tileLayer('https://api.maptiler.com/maps/streets-v4/256/{z}/{x}/{y}.png?key=YOUR_MAPTILER_KEY', {
tileSize: 256,
attribution: '© <a href="https://www.maptiler.com/">MapTiler</a> © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap contributors</a>'
}).addTo(map);
L.marker([48.8566, 2.3522]).addTo(map).bindPopup('Paris').openPopup();OpenLayers5 linesShow code
olms.apply('map', 'https://api.maptiler.com/maps/streets-v4/style.json?key=YOUR_MAPTILER_KEY')
.then(function(map) {
map.getView().setCenter(ol.proj.fromLonLat([2.3522, 48.8566]));
map.getView().setZoom(13);
});Compare More Use Cases
Leaflet and OpenLayers both have real, runnable examples for 21 use cases.
Leaflet vs OpenLayers: Which Map Library Should You Use?
A lightweight, mobile-friendly 2D mapping library with a large plugin ecosystem.
- check_circleA strong choice for quick satellite imagery embeds using simple raster tile URL templates with optional labels toggle via layer controls.
- check_circleThe right choice when you need pixel-perfect control over icon anchor points, shadow images, and retina variants via L.icon() options.
- check_circleBest when you need a full-featured drawing toolbar with edit and delete controls via the mature Leaflet.draw plugin.
An enterprise-grade GIS library with advanced projections and formats.
- check_circleIdeal when satellite tiles need to integrate with WMS overlays or other OGC raster services.
- check_circleA strong fit when custom icons need to participate in hit detection, clustering, and feature-level style functions.
- check_circleThe right choice when you need built-in drawing with multiple geometry types (point, line, polygon, circle) and snapping support via ol.interaction.Draw.
FAQ
Which is easier to learn, Leaflet or OpenLayers?
Leaflet: Easiest (simple API, great tutorials). OpenLayers: Steepest (projections, OGC standards, verbose API).
Which has the smaller bundle size, Leaflet or OpenLayers?
Leaflet ships the smaller bundle: Leaflet is ~42 KB gzipped; OpenLayers is ~290 KB gzipped (tree-shakeable).
Does Leaflet or OpenLayers support 3D map features?
Leaflet: No native 3D (2D only). OpenLayers: Limited: WebGL layers, no native globe.
Does Leaflet support WMS/WFS and other GIS formats like OpenLayers?
Not natively: Leaflet only natively supports GeoJSON; formats like KML or WMS need community plugins. OpenLayers has WMS, WFS, GML, GPX, WKT, and on-the-fly coordinate reprojection built in, making it the stronger fit for standards-based GIS work.
Which handles large datasets better, Leaflet or OpenLayers?
OpenLayers generally does: its Canvas/WebGL rendering is built to efficiently display tens of thousands of features, while Leaflet's rendering can slow down at very large scale (though marker-clustering plugins narrow the gap for point data).
Do Leaflet and OpenLayers work with React?
Leaflet has the widely-used react-leaflet wrapper. OpenLayers has no official React wrapper, though it integrates cleanly directly inside hooks.
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