Simplify GPX
Fewer points, Garmin presets
Your file is never uploaded — processing stays in your browser.
File is never uploaded.
Simplify GPX with Douglas-Peucker and Garmin presets. Browser-only.
FAQ
What are the eTrex, Edge, Zumo and Fenix presets for?
Practical point-count caps for common Garmin devices so Connect and the navigator accept the file.
Can a track lose shape with aggressive simplify?
Yes. Compare the result with the original in the GPX Viewer and pick a gentler preset if needed.
Are elevations kept after simplifying?
Yes. ele stays on the points the algorithm keeps.
Can I simplify KMZ, not only GPX?
Yes. KMZ is accepted as input; the result downloads as GPX.
How is the “Reduce GPX points” page different?
It is an SEO alias of this same tool: same Douglas-Peucker and same presets.
Can you see the file while simplifying?
No. Processing stays in the browser with no upload.
What if Garmin Connect rejects the file?
Choose a smaller device preset or trim extra tails with Trim GPX.