Free GPX Tools for Trail Runners

Optimize route planning and analysis with our free GPX utilities. Clean and simplify tracks, merge split recordings, generate an elevation profile, forecast snow on high-altitude routes, and calculate fueling and Grade Adjusted Pace (GAP).

Private by design: GPX stays on your device

File utilities

GPX Cleaner

Remove timestamps/metadata/extensions and export a cleaner GPX.

Open tool Local

GPX Simplifier

Reduce point count while keeping the route shape.

Open tool Local

GPX Merger

Combine multiple tracked files into one. Stitch together split recordings or multi-day hikes.

Open tool Cloud data

Analysis & planning

Elevation Profile Generator

Generate an elevation profile and ascent/descent from a GPX track.

Open tool Cloud data

Snow Route Forecast

Check snow conditions now + 24/48h for a GPX route.

Open tool Local

Run Nutrition Calculator

Calculate hydration and calorie needs for your route to avoid bonking.

Open tool Local

GAP Calculator

Calculate Grade Adjusted Pace from a GPX file. Find your “flat equivalent” speed.

Open tool Local

Treadmill Simulator

Prepare for mountain races on a gym treadmill. Convert any GPX into an incline cheat sheet.

Open tool Local

Privacy

Your GPX file is processed locally in your browser. Some tools may call APIs using sampled coordinates (for example, to forecast conditions along a route), but your GPX file itself is not uploaded.