Download Kassanda map in WebP format
A map built from OpenStreetMap data, ready to download
Customize the map
Open this place's area in the constructor and adjust everything to your needs
Open in constructor →Map passport
What this map contains by default
This is how the map is built as-is — every setting can be changed in the constructor.
About WebP
Map of Kassanda in WebP: 64 028 buildings, 3 071 km of roads, 296 points of interest, 8% green areas — in the WGS 84 coordinate system, units are meters.
Which layers are in the file
This file for the selected area contains:
- Roads
- Buildings
- Water
- Greenery
- Points of interest
Geometry by layer
- Roads — drawn as lines in pixels, no separate features
- Buildings — drawn as filled pixels, no separate features
- Water — drawn as filled pixels
- Greenery — drawn as filled pixels
- Points of interest — drawn as icons in pixels
What the file carries
The WebP file for Kassanda: layers are flattened into one picture: objects become pixels and cannot be selected separately, OpenStreetMap tags are not kept — geometry and styling remain.
File size
The expected size of the WebP file for Kassanda is about 5.6 MB; the exact size depends on the chosen layers and area.
Coordinate systems
WGS 84 (EPSG:4326), selectable in the wizard
Units
Meters (projected in the chosen coordinate system)
| Category | GIS |
| File extension | .webp |
| Tier | Open Beta |
How to use WebP for Kassanda
- A browser — just open the file: Chrome, Firefox, Edge and Safari 14 and newer display WebP without plugins.
- A web page — <picture><source srcset="map.webp" type="image/webp"><img src="map.png" alt="map"></picture>: older clients will get the fallback PNG.
- GIMP, Affinity Photo, Photoshop 2022 and newer — they open and save WebP; handy for cropping the picture or adding a caption.
Programs that open WebP
FAQ: WebP for Kassanda
Is WebP lossy or lossless?
Both. By default the exporter uses lossy at quality 80, but it also supports a lossless mode with bit-exact pixel preservation.
Does WebP keep transparency?
Yes, WebP supports an alpha channel in both modes. That is its advantage over JPEG for icons and overlays with soft edges.
Can I open WebP in a map editor?
WebP is a raster picture of the map; its layers are not editable. For editing geometry use SVG, DXF or GeoJSON.
Which quality should I choose?
80 by default — at that setting artifacts on lines and labels are barely visible. Below 60 the map starts to blur precisely on thin road lines; if every detail matters, take the lossless mode.
Are there coordinates in the file?
No, WebP has no georeferencing — it is an ordinary picture. For a GIS take GeoTIFF or COG, for an interactive map — tiles.
