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Flac to MP3 | 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": "flac-to-mp3",
  "category": "media-tools",
  "built": true,
  "requirements": "Lossless input to lossy output; bitrate and metadata handling.",
  "implementation": {
    "fields": [
      {
        "key": "bitrate",
        "label": "MP3 bitrate (kbps)",
        "value": "128",
        "type": "select",
        "values": [
          "64",
          "96",
          "128",
          "192",
          "256",
          "320"
        ]
      },
      {
        "key": "engine",
        "label": "Processing location",
        "type": "select",
        "value": "browser",
        "values": [
          "browser",
          "server"
        ],
        "labels": {
          "browser": "Browser (files stay here)",
          "server": "Local server (larger files)"
        }
      }
    ],
    "files": true,
    "accept": ".mp3,.wav,.m4a,.aac,.flac,.ogg,.opus",
    "multiple": false,
    "input": false,
    "processing": "Browser or server",
    "native": true,
    "maxFileBytes": 20971520,
    "note": "Browser processing keeps files on this device. Choosing Local server sends files to this website’s own processor. Audio is processed locally with FFmpeg. Lossy conversion does not recover lost detail.",
    "hybrid": true,
    "experience": {
      "automatic": false,
      "single": false,
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 1,000,000 characters. Review the settings before running.",
      "action": "Convert file"
    },
    "mode": "explicit",
    "interactive": false
  },
  "execution": "POST /api/v1/tools/flac-to-mp3/run",
  "api": {
    "id": "flac-to-mp3",
    "name": "Flac to MP3",
    "category": "media-tools",
    "description": "Convert FLAC files to MP3 with the available format settings.",
    "notes": "Browser processing keeps files on this device. Choosing Local server sends files to this website’s own processor. Audio is processed locally with FFmpeg. Lossy conversion does not recover lost detail.",
    "human_path": "/en/media-tools/flac-to-mp3/",
    "method": "POST",
    "endpoint": "/api/v1/tools/flac-to-mp3/run",
    "schema_url": "/api/v1/tools/flac-to-mp3",
    "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": {
            "bitrate": {
              "type": "string",
              "description": "MP3 bitrate (kbps)",
              "default": "128",
              "enum": [
                "64",
                "96",
                "128",
                "192",
                "256",
                "320"
              ]
            },
            "engine": {
              "type": "string",
              "description": "Processing location",
              "default": "browser",
              "enum": [
                "browser",
                "server"
              ]
            }
          }
        },
        "files": {
          "type": "array",
          "maxItems": 1,
          "items": {
            "type": "object",
            "required": [
              "name",
              "base64"
            ],
            "additionalProperties": false,
            "properties": {
              "name": {
                "type": "string",
                "maxLength": 200,
                "description": "Filename only, no path."
              },
              "mime": {
                "type": "string",
                "maxLength": 150
              },
              "bytes": {
                "type": "integer",
                "minimum": 0,
                "description": "Optional decoded byte count; must match content if supplied."
              },
              "base64": {
                "type": "string",
                "contentEncoding": "base64",
                "description": "File bytes as padded base64. Use the tool-specific limits.files_bytes value for the total decoded input size."
              }
            }
          }
        }
      }
    },
    "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; self-hosted native engine, no external conversion service",
    "limits": {
      "request_bytes": 31457280,
      "input_characters": 1000000,
      "files_bytes": 20971520,
      "max_files": 1,
      "timeout_seconds": 90
    }
  },
  "agent_processing": "Server; self-hosted native engine, no external conversion service",
  "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

Convert FLAC files to MP3 with the available format settings.

Useful next steps

How to use Flac to MP3

  1. Choose a file in MP3, WAV, M4A, AAC, FLAC, OGG or OPUS.
  2. Review the settings, then choose Convert file.
  3. Review the result, then use Copy result or a download link when available.

What to expect

Convert FLAC files to MP3 with the available format settings. Browser processing keeps files on this device. Choosing Local server sends files to this website’s own processor. Audio is processed locally with FFmpeg. Lossy conversion does not recover lost detail.