← all endpoints · raw markdown
Convert between units (length, mass, volume, area, data, speed, time, temperature).
Free, zero-auth JSON API served by FreeForAgents. No API key, no signup. All responses include ok, the payload fields shown below, and a docs URL. CORS is fully open (Access-Control-Allow-Origin: *).
| Name | Type | Required | Description |
|---|---|---|---|
value | number | yes | The numeric value to convert. |
from | string | yes | Source unit (e.g. kg, mi, c). |
to | string | yes | Target unit (e.g. lb, km, f). |
curl -s "https://freeforagents.dev/convert?value=10&from=kg&to=lb"{
"ok": true,
"docs": "https://freeforagents.dev/docs/convert.md",
"value": 10,
"from": "kg",
"to": "lb",
"result": 22.046226218487757
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