image_resize

verifiedv0.1

Resize one raster in the browser by pixels, percent, or preset (discord-emoji, youtube-thumbnail, full-hd). Pass image { mime, base64 } (max 12 MiB decoded). HEIC, JXL and AVIF are not supported here. Variant URLs are not a second machine Tool — pass mode and preset explicitly. Do not upload.

Updated 9/3/2026 · Created 9/3/2026

Input Schema

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "image"
  ],
  "properties": {
    "fit": {
      "enum": [
        "cover",
        "contain"
      ],
      "type": "string",
      "default": "cover"
    },
    "mode": {
      "enum": [
        "pixels",
        "percent",
        "preset"
      ],
      "type": "string",
      "default": "pixels"
    },
    "image": {
      "type": "object",
      "required": [
        "mime",
        "base64"
      ],
      "properties": {
        "mime": {
          "enum": [
            "image/jpeg",
            "image/png",
            "image/webp",
            "image/avif",
            "image/heic",
            "image/heif",
            "image/jxl"
          ],
          "type": "string"
        },
        "base64": {
          "type": "string",
          "maxLength": 16777220,
          "minLength": 1
        }
      },
      "additionalProperties": false
    },
    "width": {
      "type": "integer",
      "maximum": 20000,
      "minimum": 1
    },
    "height": {
      "type": "integer",
      "maximum": 20000,
      "minimum": 1
    },
    "output": {
      "enum": [
        "auto",
        "png",
        "jpeg",
        "webp"
      ],
      "type": "string",
      "default": "auto"
    },
    "preset": {
      "enum": [
        "discord-emoji",
        "youtube-thumbnail",
        "full-hd"
      ],
      "type": "string"
    },
    "percent": {
      "type": "number",
      "default": 50,
      "maximum": 400,
      "minimum": 1
    },
    "quality": {
      "type": "integer",
      "default": 90,
      "maximum": 100,
      "minimum": 1
    },
    "padColor": {
      "type": "string",
      "default": "transparent"
    },
    "lockAspect": {
      "type": "boolean",
      "default": true
    }
  },
  "additionalProperties": false
}

Full Contract

{
  "name": "image_resize",
  "description": "Resize one raster in the browser by pixels, percent, or preset (discord-emoji, youtube-thumbnail, full-hd). Pass image { mime, base64 } (max 12 MiB decoded). HEIC, JXL and AVIF are not supported here. Variant URLs are not a second machine Tool — pass mode and preset explicitly. Do not upload.",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "image"
    ],
    "properties": {
      "fit": {
        "enum": [
          "cover",
          "contain"
        ],
        "type": "string",
        "default": "cover"
      },
      "mode": {
        "enum": [
          "pixels",
          "percent",
          "preset"
        ],
        "type": "string",
        "default": "pixels"
      },
      "image": {
        "type": "object",
        "required": [
          "mime",
          "base64"
        ],
        "properties": {
          "mime": {
            "enum": [
              "image/jpeg",
              "image/png",
              "image/webp",
              "image/avif",
              "image/heic",
              "image/heif",
              "image/jxl"
            ],
            "type": "string"
          },
          "base64": {
            "type": "string",
            "maxLength": 16777220,
            "minLength": 1
          }
        },
        "additionalProperties": false
      },
      "width": {
        "type": "integer",
        "maximum": 20000,
        "minimum": 1
      },
      "height": {
        "type": "integer",
        "maximum": 20000,
        "minimum": 1
      },
      "output": {
        "enum": [
          "auto",
          "png",
          "jpeg",
          "webp"
        ],
        "type": "string",
        "default": "auto"
      },
      "preset": {
        "enum": [
          "discord-emoji",
          "youtube-thumbnail",
          "full-hd"
        ],
        "type": "string"
      },
      "percent": {
        "type": "number",
        "default": 50,
        "maximum": 400,
        "minimum": 1
      },
      "quality": {
        "type": "integer",
        "default": 90,
        "maximum": 100,
        "minimum": 1
      },
      "padColor": {
        "type": "string",
        "default": "transparent"
      },
      "lockAspect": {
        "type": "boolean",
        "default": true
      }
    },
    "additionalProperties": false
  }
}

GET /api/tool/simpletoolstack.com/image_resize