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跳至内容Draw points, lines and polygons and export GeoJSON.
Full tool — runs in your browser. No sign-up required.
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Draw points, lines and polygons and export GeoJSON.
Developer utilities should be fast, copy-friendly, and predictable. Paste or drop input, get a reliable result — no CLI install required.
Use this free GeoJSON Draw whenever you need a browser-local result without creating an account.
Open the tool
Provide your input
Review and download the result
Processing stays in your browser unless the tool notes otherwise.
本地该工具在您的浏览器中本地处理数据。 Tentaco 在此模式下不会收到您的文件内容。
Draw points, lines and polygons and export GeoJSON. Open the tool in your browser — no account or install required.
Yes — runs locally in your browser.
No — processing runs locally in your browser. Your files and inputs do not leave your device unless the tool explicitly uses the network.
在线地图 — 免费
GeoJSON、坐标和距离工具。
GeoJSON Formatter — 打印精美的地图数据
使用特征统计数据格式化和缩小 GeoJSON — 用于 GIS 调试的可读 JSON。
在线距离计算器 — 免费
坐标之间的大圆距离。
GeoJSON Preview online — free
Interactive MapLibre preview for GeoJSON features.
H3 Hexagons online — free
Generate Uber H3 hexagon cells for a location or area.
Reality Lab online — free
Local-first experiments — particle life, orbits, quantum circuits and kinetic art.
Areas & Intersections online — free
Measure polygon areas and compute Turf intersections.
Automation Studio 在线 — 免费
工作流程预设、管道构建器和自动管道。