Free Online Tools
Use practical developer and outdoor planning tools directly in your browser. Your input stays on your device.
日本語- JSON Formatter and Validator
Format, minify, and validate JSON in your browser. Your data stays on your device.
- JSON to CSV and CSV to JSON Converter
Convert arrays of JSON objects to CSV, or convert header-based CSV to JSON in your browser.
- Markdown to HTML Converter
Convert Markdown to HTML or HTML to Markdown with a sanitized preview, right in your browser.
- Backpack Weight Calculator
Calculate base weight, pack weight, total system weight, and category shares for hiking and camping gear.
- Distance and Bearing Calculator
Calculate planar distance, coordinate differences, and bearing from point A to point B.