happytails.ai

Unlock PDF

Open Unlock PDF on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.

Tool capabilities

{
  "id": "unlock-pdf",
  "category": "pdf-tools",
  "built": true,
  "requirements": "Remove supported restrictions with authorized access/known password; no recovery guarantee.",
  "implementation": {
    "fields": [
      {
        "key": "password",
        "label": "Current opening password",
        "value": "",
        "type": "password"
      }
    ],
    "files": true,
    "accept": ".pdf",
    "multiple": false,
    "input": false,
    "processing": "Server required",
    "native": true,
    "maxFileBytes": 20971520,
    "note": "Processed by the local, self-hosted engine. No third-party conversion service is used. Requires the password for an encrypted document. Does not crack or recover unknown passwords.",
    "experience": {
      "automatic": false,
      "single": false,
      "inputMaxLength": 1000000,
      "inputMode": "text",
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 1,000,000 characters. Review the settings before running.",
      "helpParts": [
        "Up to 1,000,000 characters.",
        "Review the settings before running."
      ],
      "action": null
    },
    "mode": "explicit",
    "interactive": false
  },
  "execution": "POST /api/v1/tools/unlock-pdf/run",
  "api": {
    "id": "unlock-pdf",
    "name": "Unlock PDF",
    "category": "pdf-tools",
    "description": "Remove PDF encryption using the correct password.",
    "notes": "Processed by the local, self-hosted engine. No third-party conversion service is used. Requires the password for an encrypted document. Does not crack or recover unknown passwords.",
    "human_path": "/en/pdf-tools/unlock-pdf/",
    "method": "POST",
    "endpoint": "/api/v1/tools/unlock-pdf/run",
    "schema_url": "/api/v1/tools/unlock-pdf",
    "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": {
            "password": {
              "type": "string",
              "description": "Current opening password",
              "default": ""
            }
          }
        },
        "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

Use the correct password to make an unencrypted PDF copy.

This tool needs server processing

The public server is not connected yet. File selection and processing are unavailable on this website.

Browse other tools in this category
How to use Unlock PDF
  1. Choose a file in PDF.
  2. Review the settings, then choose Run Unlock PDF.
  3. Review the result, then use Copy result or a download link when available.

Useful next steps

What to expect

Remove PDF encryption using the correct password. Processed by the local, self-hosted engine. No third-party conversion service is used. Requires the password for an encrypted document. Does not crack or recover unknown passwords.