Portable free downloads

Runs fully in your browser. Supports multi-document files, indentation, key order and strict parsing.

Runs fully in your browser. Beautify, minify, and inspect XML in a collapsible tree.

Runs in your browser. Supports subprotocols, auto-reconnect, heartbeat, and log export.

Runs entirely in your browser. Supports metric, US customary, and Swedish cookbook units. Enter a value and pick the unit to see all conversions.

Runs entirely in your browser. Convert between V, mV and kV.

User Agent Inspector, runs in your browser.