Repair PDF
Open Repair 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": "repair-pdf",
"category": "pdf-tools",
"built": true,
"requirements": "Recover supported structural errors only; give a clear unrecoverable result.",
"implementation": {
"fields": [],
"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. Lossless structural optimisation and supported structural recovery. No image downsampling or guarantee of smaller output.",
"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/repair-pdf/run",
"api": {
"id": "repair-pdf",
"name": "Repair PDF",
"category": "pdf-tools",
"description": "Try to recover a readable PDF from a damaged document.",
"notes": "Processed by the local, self-hosted engine. No third-party conversion service is used. Lossless structural optimisation and supported structural recovery. No image downsampling or guarantee of smaller output.",
"human_path": "/en/pdf-tools/repair-pdf/",
"method": "POST",
"endpoint": "/api/v1/tools/repair-pdf/run",
"schema_url": "/api/v1/tools/repair-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": {}
},
"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
Try recovering a readable copy of a damaged PDF.
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 categoryHow to use Repair PDF
- Choose a file in PDF.
- Review the settings, then choose Run Repair PDF.
- Review the result, then use Copy result or a download link when available.
Useful next steps
What to expect
Try to recover a readable PDF from a damaged document. Processed by the local, self-hosted engine. No third-party conversion service is used. Lossless structural optimisation and supported structural recovery. No image downsampling or guarantee of smaller output.