Happytails.aiFree tools. No account needed.

Tip | agent view

The same page content and links, with explicit tool capabilities. Tools marked with an API can run directly through HTTP. Other tools require the browser interface or are not connected yet.

Tool capabilities

{
  "id": "tip",
  "category": "calculators",
  "built": true,
  "requirements": "Bill split, tip basis and rounding; currency is a display choice, not FX conversion.",
  "implementation": {
    "fields": [
      {
        "key": "bill",
        "label": "Bill",
        "value": 100,
        "type": "number"
      },
      {
        "key": "tip",
        "label": "Tip (%)",
        "value": 15,
        "type": "number"
      },
      {
        "key": "people",
        "label": "People",
        "value": 2,
        "type": "number"
      }
    ],
    "input": false,
    "note": "",
    "live": true,
    "presentation": "metrics",
    "experience": {
      "automatic": true,
      "single": false,
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.",
      "action": null
    },
    "mode": "automatic",
    "interactive": false
  },
  "execution": "POST /api/v1/tools/tip/run",
  "api": {
    "id": "tip",
    "name": "Tip",
    "category": "calculators",
    "description": "Calculate a tip, the total bill, and each person’s share.",
    "notes": "",
    "human_path": "/en/calculators/tip/",
    "method": "POST",
    "endpoint": "/api/v1/tools/tip/run",
    "schema_url": "/api/v1/tools/tip",
    "input_schema": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "input": {
          "type": "string",
          "maxLength": 1000000,
          "default": "",
          "description": "Plain text input. File tools use files instead unless otherwise documented."
        },
        "options": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "bill": {
              "type": "number",
              "description": "Bill",
              "default": 100.0
            },
            "tip": {
              "type": "number",
              "description": "Tip (%)",
              "default": 15.0
            },
            "people": {
              "type": "number",
              "description": "People",
              "default": 2.0
            }
          }
        }
      }
    },
    "output_schema": {
      "type": "object",
      "required": [
        "tool",
        "result"
      ],
      "properties": {
        "tool": {
          "type": "string"
        },
        "result": {
          "type": "object",
          "required": [
            "text",
            "files"
          ],
          "properties": {
            "text": {
              "type": [
                "string",
                "null"
              ]
            },
            "data": {
              "description": "Parsed JSON when the textual result is JSON."
            },
            "name": {
              "type": "string"
            },
            "mime": {
              "type": "string"
            },
            "files": {
              "type": "array",
              "items": {
                "type": "object",
                "required": [
                  "name",
                  "mime",
                  "bytes",
                  "base64"
                ],
                "properties": {
                  "name": {
                    "type": "string"
                  },
                  "mime": {
                    "type": "string"
                  },
                  "bytes": {
                    "type": "integer"
                  },
                  "base64": {
                    "type": "string",
                    "contentEncoding": "base64"
                  }
                }
              }
            }
          }
        }
      }
    },
    "processing": "Server; same transformation code as browser tools",
    "limits": {
      "request_bytes": 8388608,
      "input_characters": 1000000,
      "files_bytes": 5242880,
      "max_files": 0,
      "timeout_seconds": 12
    }
  },
  "agent_processing": "Server; same transformation code as browser tools",
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

Page guide

Calculate a tip, the total bill, and each person’s share.

How to use Tip

  1. Enter the values you want to calculate and choose the relevant units or settings.
  2. The result updates as you type. Adjust the available settings if needed.
  3. Review the result, then use Copy result or a download link when available.

What to expect

Calculate a tip, the total bill, and each person’s share. Enter the bill, tip percentage, and a whole-number group size. The total including the tip is divided equally between the people.