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XYZ / TMS Tile URL Tester

A free XYZ / TMS tile URL tester for raster and vector tiles. Paste a URL template, toggle y-axis, run a CORS fetch, and verify tiles render before wiring them into your basemap.

Open the XYZ / TMS debugger →

More content coming soon

This is a Phase 1.1 placeholder. The next iteration will include a “What is XYZ and TMS tile schemes” explainer, sample endpoints, the most common errors with fixes, an FAQ, and embedded usage of the tool itself. Until then, click the button above to use the XYZ / TMS debugger directly.

geodebug.io — Debug map URLs on a map

Free developer tool for debugging map services. Paste a WMS, WMTS, XYZ, PMTiles, TileJSON, OGC API Features, or GeoJSON URL and see headers, capabilities, errors, and the rendered layer instantly.

Supported protocols

WMS — GetCapabilities parser, layer + CRS picker, transparent overlay rendering
WMTS — KVP and REST modes with TileMatrixSet detection
XYZ / TMS — raster and vector tiles with raw fetch testing
PMTiles — header inspector, metadata viewer, vector + raster preview
TileJSON — auto-detect raster or vector and render
OGC API Features — collection browser and item loader
GeoJSON — viewer, editor, and on-map drawing
OGC 3D Tiles — tileset.json + Cesium Ion

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