Open TOPOJSON File Online (No Software)
What Is a .topojson File?
TOPOJSON (.topojson) is a gis file format. TopoJSON Geography Created by Mike Bostock, this format is essential for cartographers and urban planners.
How to Open .topojson Files
Upload your .topojson file to OpenAnyFile and instantly map and overlay it in your browser. No software installation required. Works on Windows, macOS, Linux, iPhone, and Android.
Everything About TOPOJSON Files
Popular TOPOJSON Conversions
Frequently Asked Questions
What is a .topojson file?
A .topojson file is a gis format called TOPOJSON. TopoJSON Geography
How do I open a .topojson file without installing software?
Upload your .topojson file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .topojson files?
.topojson files are typically created by Mike Bostock.
Can I convert .topojson to another format?
Yes. OpenAnyFile converts .topojson to GEOJSON, SVG.
Is it safe to open .topojson files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .topojson on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.
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