# GPX to KML

- Human page: https://happytails.ai/en/geo-tools/gpx-to-kml/
- Markdown: https://happytails.ai/en/geo-tools/gpx-to-kml.md
- Structured JSON: https://happytails.ai/agents/en/geo-tools/gpx-to-kml/index.json
- Visibility: public

## Tool capabilities

| Property | Value |
| --- | --- |
| Tool ID | `gpx-to-kml` |
| Category | geo-tools |
| Implementation | Registered implementation. Registration alone is not a production-quality guarantee. |
| Browser execution | Use the visible action or interactive controls. |
| Browser processing | Browser; see tool notes for network behavior. |
| HTTP API | /api/v1/tools/gpx-to-kml/run |
| Browser-agent interface | run_current_tool |

### Implementation notes

Converts GPX track geometry and elevation. GPX timestamps and extensions are not preserved.

### Inputs and settings

Text input: Your text.

Example or placeholder shown in the interface (not a validated fixture):

```text
Type or paste your input…
```

Up to 1,000,000 characters. Review the settings before running.

No additional settings are declared for this tool.

### HTTP contract

API calls process supplied data on the server. The website origin is `https://happytails.ai`. Server API hosting is not connected on the public website yet. Use your local server origin to test these requests.

```http
POST https://happytails.ai/api/v1/tools/gpx-to-kml/run
Content-Type: application/json
```

[Detailed operation reference](https://happytails.ai/en/api/tools/gpx-to-kml.md) · [Shared API guide](https://happytails.ai/en/api.md)

#### Limits

| Limit | Value |
| --- | --- |
| request_bytes | 8388608 |
| input_characters | 1000000 |
| files_bytes | 5242880 |
| max_files | 0 |
| timeout_seconds | 12 |

#### Complete input schema

```json
{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "input": {
      "type": "string",
      "maxLength": 1000000,
      "default": "",
      "description": "Plain text input. File tools use files instead unless otherwise documented."
    },
    "options": {
      "type": "object",
      "additionalProperties": false,
      "properties": {}
    }
  }
}
```

#### Complete output schema

```json
{
  "type": "object",
  "required": [
    "tool",
    "result"
  ],
  "properties": {
    "tool": {
      "type": "string"
    },
    "result": {
      "type": "object",
      "required": [
        "text",
        "files"
      ],
      "properties": {
        "text": {
          "type": [
            "string",
            "null"
          ]
        },
        "data": {
          "description": "Parsed JSON when the textual result is JSON."
        },
        "name": {
          "type": "string"
        },
        "mime": {
          "type": "string"
        },
        "files": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "name",
              "mime",
              "bytes",
              "base64"
            ],
            "properties": {
              "name": {
                "type": "string"
              },
              "mime": {
                "type": "string"
              },
              "bytes": {
                "type": "integer"
              },
              "base64": {
                "type": "string",
                "contentEncoding": "base64"
              }
            }
          }
        }
      }
    }
  }
}
```

#### Error and retry handling

Failures return a non-200 status and `error.code` plus `error.message`. Correct invalid input before retrying; retry server-busy responses with bounded backoff. Returned files contain Base64 data, not persistent download URLs. Decode and inspect the output before treating conversion as successful. See the shared API guide for the complete status and timeout rules.

### Browser-agent workflow

1. Open the human page in a browser that supports WebMCP.
2. Discover the interface exposed by that page; use its actual schema.
3. Select files on the page first when the tool requires files.
4. Call `run_current_tool` with valid input and settings.
5. Inspect the returned result or error and the displayed output. Retrieve files from the displayed download links.

Calls do not automatically copy or download results. Browser permissions still apply. Interface availability alone is not proof of successful execution.

### Planning specification

Tracks, waypoints, elevation and time preservation with conversion report.

This describes intended requirements. Use the implementation notes, interface schema and observed output to determine current support.

### Complete machine-readable capability record

```json
{
  "id": "gpx-to-kml",
  "category": "geo-tools",
  "built": true,
  "requirements": "Tracks, waypoints, elevation and time preservation with conversion report.",
  "implementation": {
    "fields": [],
    "note": "Converts GPX track geometry and elevation. GPX timestamps and extensions are not preserved.",
    "experience": {
      "automatic": false,
      "single": false,
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 1,000,000 characters. Review the settings before running.",
      "action": null
    },
    "mode": "explicit",
    "interactive": false
  },
  "execution": "POST /api/v1/tools/gpx-to-kml/run",
  "api": {
    "id": "gpx-to-kml",
    "name": "GPX to KML",
    "category": "geo-tools",
    "description": "Convert GPX track geometry and elevation to KML.",
    "notes": "Converts GPX track geometry and elevation. GPX timestamps and extensions are not preserved.",
    "human_path": "/en/geo-tools/gpx-to-kml/",
    "method": "POST",
    "endpoint": "/api/v1/tools/gpx-to-kml/run",
    "schema_url": "/api/v1/tools/gpx-to-kml",
    "input_schema": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "input": {
          "type": "string",
          "maxLength": 1000000,
          "default": "",
          "description": "Plain text input. File tools use files instead unless otherwise documented."
        },
        "options": {
          "type": "object",
          "additionalProperties": false,
          "properties": {}
        }
      }
    },
    "output_schema": {
      "type": "object",
      "required": [
        "tool",
        "result"
      ],
      "properties": {
        "tool": {
          "type": "string"
        },
        "result": {
          "type": "object",
          "required": [
            "text",
            "files"
          ],
          "properties": {
            "text": {
              "type": [
                "string",
                "null"
              ]
            },
            "data": {
              "description": "Parsed JSON when the textual result is JSON."
            },
            "name": {
              "type": "string"
            },
            "mime": {
              "type": "string"
            },
            "files": {
              "type": "array",
              "items": {
                "type": "object",
                "required": [
                  "name",
                  "mime",
                  "bytes",
                  "base64"
                ],
                "properties": {
                  "name": {
                    "type": "string"
                  },
                  "mime": {
                    "type": "string"
                  },
                  "bytes": {
                    "type": "integer"
                  },
                  "base64": {
                    "type": "string",
                    "contentEncoding": "base64"
                  }
                }
              }
            }
          }
        }
      }
    },
    "processing": "Server; same transformation code as browser tools",
    "limits": {
      "request_bytes": 8388608,
      "input_characters": 1000000,
      "files_bytes": 5242880,
      "max_files": 0,
      "timeout_seconds": 12
    }
  },
  "agent_processing": "Server; same transformation code as browser tools",
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}
```

## Page guide

Convert GPX track geometry and elevation to KML.

## Useful next steps

- [Coordinate converter](https://happytails.ai/en/geo-tools/coordinate-converter/): Convert decimal latitude and longitude to degrees, minutes and seconds. ([Markdown](https://happytails.ai/en/geo-tools/coordinate-converter.md))

- [KML to geojson](https://happytails.ai/en/geo-tools/kml-to-geojson/): Convert KML features to GeoJSON. ([Markdown](https://happytails.ai/en/geo-tools/kml-to-geojson.md))

- [Geojson viewer](https://happytails.ai/en/geo-tools/geojson-viewer/): Local geometry preview, validation and bbox. ([Markdown](https://happytails.ai/en/geo-tools/geojson-viewer.md))

## How to use GPX to KML

1. Enter your text in the input field.
2. Review the settings, then choose Run GPX to KML.
3. Review the result, then use Copy result or a download link when available.

## What to expect

Convert GPX track geometry and elevation to KML. Paste GPX XML containing track segments and points. Exported KML preserves track coordinates and elevation. Waypoints, timestamps and GPX extensions are not preserved.