webconverter.app

{
  "name": "convert_image",
  "kind": "act",
  "impl": "imperative",
  "description": "Convert an image to another format entirely in the browser — no upload. WASM importers accept BMP, DDS, GIF, HDR, ICO, JPEG, KTX, PGM, PIC, PNG, PPM, PSD, TGA, WebP; a browser-decode fallback adds HEIC (Safari/iOS), AVIF, GIF and more. Outputs PNG, JPEG, BMP, TGA, HDR, EXR, KTX2 or WebP.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      },
      "targetFormat": {
        "type": "string",
        "enum": [
          "png",
          "jpeg",
          "bmp",
          "tga",
          "hdr",
          "exr",
          "ktx2",
          "webp"
        ]
      }
    },
    "required": [
      "fileBase64",
      "targetFormat"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "images_to_pdf",
  "kind": "act",
  "impl": "imperative",
  "description": "Combine one or more images into a single PDF, one image per page, in order, in the browser.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "imagesBase64": {
        "type": "array",
        "items": {
          "type": "string"
        }
      },
      "fileName": {
        "type": "string"
      }
    },
    "required": [
      "imagesBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "images_to_searchable_pdf",
  "kind": "act",
  "impl": "imperative",
  "description": "Combine images into a PDF *and* run OCR (Tesseract.js, lazy-loaded) so the resulting PDF has selectable, searchable text on top of the original pixels. Useful for scans and screenshots.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "imagesBase64": {
        "type": "array",
        "items": {
          "type": "string"
        }
      },
      "fileName": {
        "type": "string"
      },
      "ocrLanguage": {
        "type": "string",
        "description": "Tesseract language code, e.g. 'eng', 'deu'."
      }
    },
    "required": [
      "imagesBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "merge_pdfs",
  "kind": "act",
  "impl": "imperative",
  "description": "Merge multiple PDF files into a single PDF (all pages, in order) — in the browser, no upload.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "pdfsBase64": {
        "type": "array",
        "items": {
          "type": "string"
        }
      },
      "fileName": {
        "type": "string"
      }
    },
    "required": [
      "pdfsBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "reorder_pdf_pages",
  "kind": "act",
  "impl": "imperative",
  "description": "Reorder the pages of a single PDF and write a new PDF with the given order. pageOrder is an array of zero-based source-page indices, in the desired order.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "pdfBase64": {
        "type": "string"
      },
      "pageOrder": {
        "type": "array",
        "items": {
          "type": "integer",
          "minimum": 0
        }
      },
      "fileName": {
        "type": "string"
      }
    },
    "required": [
      "pdfBase64",
      "pageOrder"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "delete_pdf_pages",
  "kind": "transact",
  "impl": "imperative",
  "description": "Drop the listed zero-based page indices from a PDF, writing a new PDF of the remaining pages, in their original order.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "pdfBase64": {
        "type": "string"
      },
      "pagesToDelete": {
        "type": "array",
        "items": {
          "type": "integer",
          "minimum": 0
        }
      },
      "fileName": {
        "type": "string"
      }
    },
    "required": [
      "pdfBase64",
      "pagesToDelete"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "extract_pdf_text",
  "kind": "answer",
  "impl": "imperative",
  "description": "Pull text out of a PDF (pdf.js) — plain text by default, or simple Markdown with one `## Page N` heading per page when `asMarkdown: true`.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "pdfBase64": {
        "type": "string"
      },
      "asMarkdown": {
        "type": "boolean"
      },
      "fileName": {
        "type": "string"
      }
    },
    "required": [
      "pdfBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "convert_document",
  "kind": "act",
  "impl": "imperative",
  "description": "Convert a document between formats with Pandoc (WebAssembly). Common inputs: docx, odt, rtf, html, markdown, latex, rst, mediawiki, epub. Common outputs: markdown, html, plain, latex, rst, asciidoc, docx, odt. The first call lazily downloads Pandoc WASM (~56 MB); it is cached afterwards.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      },
      "fromFormat": {
        "type": "string"
      },
      "toFormat": {
        "type": "string"
      }
    },
    "required": [
      "fileBase64",
      "fromFormat",
      "toFormat"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "convert_audio",
  "kind": "act",
  "impl": "imperative",
  "description": "Convert an audio file — or extract the audio track from a video — to MP3, OGG, WAV or FLAC. Decoding uses the browser's codecs, so anything the browser can play is accepted.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      },
      "targetFormat": {
        "type": "string",
        "enum": [
          "mp3",
          "ogg",
          "wav",
          "flac"
        ]
      }
    },
    "required": [
      "fileBase64",
      "targetFormat"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "convert_video",
  "kind": "act",
  "impl": "imperative",
  "description": "Transcode a video to MP4 (H.264 + AAC), WebM (VP9 + Opus) or animated GIF using ffmpeg-wasm in the browser. The first call lazily downloads the ffmpeg core for the chosen output (~30 MB per variant); cached afterwards.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      },
      "targetFormat": {
        "type": "string",
        "enum": [
          "mp4",
          "webm",
          "gif"
        ]
      },
      "config": {
        "type": "object",
        "description": "Optional: resolution ('WxH'|'original'), fps, videoBitrate, audioBitrate, muteAudio."
      }
    },
    "required": [
      "fileBase64",
      "targetFormat"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "trim_video",
  "kind": "act",
  "impl": "imperative",
  "description": "Cut a clip from startTime → endTime (seconds) out of a video using ffmpeg-wasm, without re-uploading anything. Output is MP4 by default.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      },
      "startTime": {
        "type": "number",
        "minimum": 0
      },
      "endTime": {
        "type": "number",
        "minimum": 0
      },
      "outputExt": {
        "type": "string",
        "enum": [
          "mp4",
          "webm"
        ]
      }
    },
    "required": [
      "fileBase64",
      "startTime",
      "endTime"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "remove_image_background",
  "kind": "act",
  "impl": "imperative",
  "description": "Produce a version of the image with the background made transparent (or a chosen colour). Uses a tiny U²-Net-P ONNX model (≈4 MB) for the initial mask, then a deterministic WASM matting pass to clean the edges. Output is PNG (default) or WebP — both preserve transparency.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      },
      "outputFormat": {
        "type": "string",
        "enum": [
          "png",
          "webp"
        ]
      }
    },
    "required": [
      "fileBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "transcribe_audio",
  "kind": "act",
  "impl": "imperative",
  "description": "Transcribe an audio file — or the audio track of a video — to text with timestamps using a quantised Whisper model (whisper.cpp compiled to WASM). Runs entirely in the browser. The first call downloads the model (~40 MB) once, then caches it. English by default; the bundled model is English-only.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string"
      },
      "fileName": {
        "type": "string"
      }
    },
    "required": [
      "fileBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "convert_3d_to_gltf",
  "kind": "act",
  "impl": "imperative",
  "description": "Convert a 3D scene (FBX, OBJ, DAE, PLY, STL, GLTF, GLB, 3DS, LWO, BLEND, X, MS3D, ASE) to glTF 2.0 or binary GLB, entirely in the browser. Native magnum-plugins importers handle the mainstream formats (ufbx for FBX/OBJ, GltfImporter for glTF/GLB, StanfordImporter for PLY, StlImporter for STL, OpenGexImporter for OGEX); Assimp is the fallback for the long tail (DAE, 3DS, LWO, BLEND, X, …). Output is written by Magnum's GltfSceneConverter. Optional MeshOptimizer pass re-encodes meshes for the GPU vertex cache and can simplify them by a target ratio. Lazy-loads the matching WASM module per family.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "fileBase64": {
        "type": "string",
        "description": "Base64-encoded input file bytes."
      },
      "fileName": {
        "type": "string",
        "description": "Original filename; the extension is used to pick the importer."
      },
      "outputFormat": {
        "type": "string",
        "enum": [
          "gltf",
          "glb"
        ],
        "description": "glTF (JSON + embedded buffers) or GLB (single compact binary). Defaults to gltf."
      },
      "optimize": {
        "type": "boolean",
        "description": "Run MeshOptimizer vertex-cache / overdraw / vertex-fetch passes on every mesh."
      },
      "simplifyRatio": {
        "type": "number",
        "description": "Fraction of triangles to KEEP, 0..1. 0 or 1 disables simplification."
      }
    },
    "required": [
      "fileBase64"
    ]
  },
  "page": "/webmcp.html"
}

{
  "name": "list_supported_formats",
  "kind": "answer",
  "impl": "imperative",
  "description": "Enumerate every format and tool WebConverter exposes via WebMCP.",
  "inputSchema": {
    "type": "object",
    "properties": {}
  },
  "page": "/webmcp.html"
}