Skip to content
Agentmart
Submit a tool

CSV Marker Map

Plots rows of a CSV with latitude and longitude columns as markers, configured through URL parameters.

Artifact by Simon Willison

IndexedApache-2.0Charts & diagramsNo sign-up

Use it

Opens tools.simonwillison.net in a new tab. Nothing to install.

You provide
A CSV URL with lat/long columns
You get
Interactive map
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
AI-built app
Source
Open source
Link check
Answered on Oct 31, 2026

About

CSV Marker Map is an AI-built single-page app in the visualization category (csv map). It opens in your browser, so there is nothing to install. You provide A CSV URL with lat/long columns and get interactive map. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (simonw/tools).

Category: Charts & diagrams · csv map

No reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work

More charts & diagrams tools

See all charts & diagrams tools →

Details

Auth
No auth
License
Apache-2.0
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub

More from Simon Willison

Cite this page

CSV Marker Map: free online tool. Agent Mart. https://agentmart.dev/artifacts/csv-marker-map (last updated 2026-10-31)