Private by default

MeTrail Web Viewer Three-language static shell

Local-first travel replay in your browser.

Map stage

Overview

Current focus

Overview

Import a package to activate the local map stage.

Viewport source: Overview

Import JSON package

Import a MeTrail viewer-first export package locally. Parsing runs in a background worker and never uploads file contents.

Choose a .json file or drag it into the drop zone. Large files are rejected before reading so the page stays responsive.

Waiting for a local JSON package.

Drop your export package here, or use the button below.

  • Files are processed in your browser only.
  • No JSON content is uploaded to a server.
  • Closing or refreshing the page clears temporary imported data by default.