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Optimize & Repair · browser workspace

Minify GeoJSON - Compress Map Data

Compress a JSON file by removing all whitespace. Process locally in your browser with HappyCSV.

Preparing your private workspace…
How to use this tool

Quick start

Built for compress a json file by removing all whitespace.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A new file or report produced locally in your browser.

  1. 1Choose a supported file or use sample data when available.
  2. 2Set the options shown for this workflow.
  3. 3Process the file locally, inspect the result, and download a new copy.

How to Minify JSON

  1. 1Choose a supported file or use sample data when available.
  2. 2Set the options shown for this workflow.
  3. 3Process the file locally, inspect the result, and download a new copy.

Why Use This Tool?

  • ✓Compress a JSON file by removing all whitespace.
  • ✓A new file or report produced locally in your browser.
  • ✓Files are processed locally in this browser.
  • ✓Keep the source file and review the result before importing it elsewhere.

Frequently Asked Questions

What does this tool support?

A new file or report produced locally in your browser.

What are the processing limits?

Up to 100 MB per CSV, 20 MB per complex document; 250,000 rows, 1,000 columns, 2 million cells, and 128 MB output. Jobs stop after two minutes. Large files may need splitting.

Are my files uploaded?

No. File processing stays in your browser. Files are not automatically saved for the next visit.

Can I process multiple files?

This tool processes one file at a time.