Mapshaper
Edit, simplify and convert geographic data such as Shapefile, GeoJSON and TopoJSON in the browser.
Artifact by Matthew Bloch
IndexedOpen source★ 4,200Data toolsNo sign-up
Use it
Opens mapshaper.org in a new tab. Nothing to install.
- You provide
- Shapefile, GeoJSON, TopoJSON, KML or CSV files
- You get
- Simplified or converted geodata file
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Nov 1, 2026
About
Mapshaper is an open-source web app in the data tools category (geospatial conversion). It opens in your browser, so there is nothing to install. You provide shapefile, GeoJSON, TopoJSON, KML or CSV files and get simplified or converted geodata file. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (mbloch/mapshaper).
Category: Data tools · geospatial conversion
Reviews
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More data tools tools
Signals
- Stars
- 4,200
Details
- Auth
- No auth
- License
- Open source
- Repository
- github.com/mbloch/mapshaper
- Website
- mapshaper.org/
- First seen
- Oct 31, 2026
- Last checked
- Nov 1, 2026
- Source
- GitHub
Cite this page
Mapshaper: free online tool. Agent Mart. https://agentmart.dev/artifacts/mapshaper (last updated 2026-11-01)