# apphelp tool profile
name: GPX, KML & GeoJSON Viewer
tool: tool-gpxviewer
domain: gpxviewer.apphelp.net
canonical: https://gpxviewer.apphelp.net/en
summary: View GPX, KML, GeoJSON and CSV coordinates on OpenStreetMap, merge GPX files, join tracks and convert between GPX, KML and GeoJSON locally.
inputs: One or more .gpx, .kml, .geojson/.json or .csv (header with lat/lon) files up to 20 MB each.
outputs: A map preview with per-file colors, point and distance stats, and a downloaded .gpx, .kml or .geojson file.
use-cases: check a hiking or cycling route; merge several GPX recordings; convert a CSV of sites to KML for Google Earth
keywords: gpx viewer online, kml to gpx, gpx to kml, csv to kml, merge gpx files
languages: en, zh-CN, zh-TW, ar, de, fr
seo: locale-routed, canonical, hreflang, sitemap, robots, JSON-LD
geo: llm.txt profile, concise task summary, input/output contract, use-case list, local-first privacy notes
privacy: browser-local processing, no upload by default
limits: files up to 20 MB; KML styles, 3D models, NetworkLinks and KMZ archives are not supported; map tiles come from OpenStreetMap
related: https://csvmarkdowntable.apphelp.net/en ; https://json.apphelp.net/en ; https://jsoncsv.apphelp.net/en
analytics: Microsoft Clarity and Google Analytics (opt-in)
no-login: true