OpenMaps — Create interactive maps from open data<br>OpenMaps

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Open data · sources from around the worldDescribe a map.<br>We build it.<br>Tell us what you want to see on a map — in plain language. OpenMaps connects hundreds of open data sources worldwide, builds the map, and gives you a link to share. Ready in a minute.<br>Data sourceBase mapAttach file<br>GreenestEU HostedBest Effort<br>Build map<br>National monuments in Amsterdam city centreActive earthquakes in the Pacific Ocean this weekAir quality in major European citiesEndangered bird species in Western EuropeWater levels along the major Dutch rivers

How it works<br>A map in three steps. No expertise required.<br>You say what you want to see. OpenMaps finds the data and builds the map.

gemeente-utrechtToon BAG-adressen inUtrecht-Centrum met erfgoed…Bouw<br>01<br>Tell us what you want on the map<br>Type a topic, a place, or a question — in plain words, not technical jargon. OpenMaps understands what you mean and finds the right data.

02<br>The map builds itself<br>Sources are connected, information combined, and everything is drawn on the map — while you watch.

openmaps.dev/u/erfgoed<br>03<br>Share with one link<br>You get a public URL you can share straight away or embed on any website. No install required, no account needed to view.

Live demo<br>Watch a map build itself.<br>Roads draw themselves in, heritage zones fill in, and thousands of data points fall into place — in seconds, neatly styled.<br>Roads — BRTdrawn<br>Heritage zonesfilled<br>Green & waterfilled<br>BAG addresses1,284 points

What you can do<br>Everything you need to make a great map.

Worldwide open data<br>From Dutch land-registry records to NASA wildfires, from Eurostat statistics to Wikidata — hundreds of free sources, available straight away.

Interactive map panels<br>Add search fields, legends, and extra information to your map. It becomes a real mini-app, not just a static image.

Automatically polished<br>Colours, fonts and markers are set correctly from the start. Your map looks professional from the very first version.

Shareable with one link<br>Publish with one click. You get a public URL you can share or embed on any website.

Accessible to everyone<br>The viewer meets accessibility standards: good contrast, full keyboard navigation and screen-reader support built in.

Privacy-friendly<br>Data stays in Europe. No US servers, no hidden trackers. GDPR-compliant.

The sources<br>Open data from around the world.<br>OpenMaps connects to hundreds of trusted, freely available data sources — from Dutch government registers to international scientific databases. Every map clearly credits the sources used, both inside the map and on this page.<br>BAG · addresses & buildingsKNMI · weather & climateCBS · neighbourhood statsKadaster · land registryBeeld en Geluid · media archiveNationaal Archief · photosWikidata · world knowledgeOpenStreetMap · places & POIsEurostat · EU statisticsWorld Bank · country dataNASA FIRMS · wildfiresGBIF · species occurrencesUSGS · earthquakesOpenAQ · air qualityWRI · power plantsOpen-Meteo · world weatherOpenSky · live flightsDUO · scholen<br>Basemap always visibly credited: © Kadaster · PDOK

BAGBGTBRTKNMIErfgoedWaternet

Templates<br>Start from a template

Browse all templates ›<br>ErfgoedMonumententour<br>Alle rijksmonumenten in een stadscentrum, met een zijpaneel dat ze opsomt en naar elk monument vliegt.<br>Rijksmonumenten · RCECustom panel<br>BasisregistratieAdressen & panden<br>BAG-adressen en -panden over een stadskern. De basis voor adres-zoek en pandinformatie.<br>BAG · adressenBAG · panden<br>ErfgoedErfgoed & beschermde gebieden<br>Rijksmonumenten samen met beschermde stads- en dorpsgezichten — context voor erfgoedbeleid.<br>Rijksmonumenten · RCEBeschermde gebieden

Trustworthy & secure<br>Open data with respect for privacy.<br>GDPR-compliant<br>Data stays within the EU. Data-processing agreement and privacy documentation available.

Hosted in the EU<br>Your data is stored at Hetzner in Germany. Hosting and storage stay within the EU — no US cloud.

Open & portable<br>Export your map to GeoJSON whenever you like. No vendor lock-in.

“Something that would have taken a full day of work was on the map in ten minutes. The great thing is you just talk to it.”<br>TR<br>Tomas Reijnders<br>Data advisor, City of Utrecht

FAQ<br>Everything you want to know.

Do I need any technical knowledge?<br>No. You describe what you want to see in plain language — OpenMaps does the rest. Want to adjust something? Just say it in the chat.<br>Which data sources can I use?<br>Hundreds of sources worldwide: Dutch government data (Kadaster, KNMI, CBS), archives (Beeld en Geluid, Nationaal Archief), and international sources like NASA, Wikidata, Eurostat, the World Bank and OpenStreetMap. You can also upload your own files.<br>Where are my maps stored?<br>In a European data centre (Hetzner, Germany). We are GDPR-compliant and provide privacy documentation.<br>Who can see my published map?<br>The published viewer is accessible via a link — to anyone you share it with. You decide when to publish; until then your...