KML は Google Earth などで使う地理データ形式です。地点・経路・ポリゴンを XML で記述します。
Typical use: KML を GeoJSON に変換して Web 地図で表示します。
About the KML format
KML は Google Earth などで使う地理データ形式です。地点、経路、ポリゴンを XML で記述します。
Web 地図で扱うには GeoJSON への変換が便利です。スタイル情報も一緒に保たれます。
Strengths
- ✓ Google Earth で確実に開ける
- ✓ スタイルも保持
- ✓ 地点・経路・面に対応
Limitations
- ✗ Web では GeoJSON が主流
- ✗ ファイルが大きくなりやすい
- Structure
- XML placemarks & folders
- Types / schema
- Points, lines, polygons, styles
- Compatibility
- Google Earth, Maps, agencies
- Best for
- Sharing annotated places
Convert KML to…
3 direct directions plus 3 workflows, sorted A–Z; 🔥 marks popular targets.
Cross-engine workflows
Convert other files to KML…
Frequently asked questions
What is a KML file?
KML is Google Earth’s XML markup for places, paths and polygons — still the lingua franca of consumer map sharing.
How do I convert KML files online?
Pick a target format from the "Convert KML to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.
Is it safe to convert KML files here?
Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.
Which formats can KML convert to?
This page lists all 6 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.