Remove Background
Open Remove Background 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": "remove-background",
"category": "image-tools",
"built": true,
"requirements": "Quality-tested segmentation with edge correction; disclose model download or upload.",
"implementation": {
"fields": [],
"files": true,
"accept": ".png,.jpg,.jpeg,.webp",
"multiple": false,
"input": false,
"processing": "Server required",
"native": true,
"extra": true,
"maxFileBytes": 20971520,
"note": "Processed locally on this website’s server without an external conversion API. Uses the small U2Netp segmentation model. Fine hair, transparent objects, and difficult edges may need manual correction.",
"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/remove-background/run",
"api": {
"id": "remove-background",
"name": "Remove background",
"category": "image-tools",
"description": "Remove an image background and export a transparent PNG.",
"notes": "Processed locally on this website’s server without an external conversion API. Uses the small U2Netp segmentation model. Fine hair, transparent objects, and difficult edges may need manual correction.",
"human_path": "/en/image-tools/remove-background/",
"method": "POST",
"endpoint": "/api/v1/tools/remove-background/run",
"schema_url": "/api/v1/tools/remove-background",
"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
Isolate your subject and save a PNG with a transparent background.
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 Remove background
- Choose a file in PNG, JPEG or WEBP.
- Review the settings, then choose Run Remove background.
- Review the result, then use Copy result or a download link when available.
Useful next steps
What to expect
Remove an image background and export a transparent PNG. Processed locally on this website’s server without an external conversion API. Uses the small U2Netp segmentation model. Fine hair, transparent objects, and difficult edges may need manual correction.