Upside-down text | 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": "upside-down-text",
"category": "text-tools",
"built": true,
"requirements": "Reverse graphemes and map supported characters; unsupported symbols remain visible; preview copy output.",
"implementation": {
"fields": [],
"experience": {
"automatic": true,
"single": false,
"label": "Your text",
"placeholder": "Hello world!",
"help": "Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.",
"action": null
},
"mode": "automatic",
"interactive": false
},
"execution": "POST /api/v1/tools/upside-down-text/run",
"api": {
"id": "upside-down-text",
"name": "Upside down text",
"category": "text-tools",
"description": "Flip text into an upside-down Unicode style.",
"notes": "",
"human_path": "/en/text-tools/upside-down-text/",
"method": "POST",
"endpoint": "/api/v1/tools/upside-down-text/run",
"schema_url": "/api/v1/tools/upside-down-text",
"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": {}
}
}
},
"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; same transformation code as browser tools",
"limits": {
"request_bytes": 8388608,
"input_characters": 1000000,
"files_bytes": 5242880,
"max_files": 0,
"timeout_seconds": 12
}
},
"agent_processing": "Server; same transformation code as browser tools",
"browser_agent": {
"supported": true,
"name": "transform_current_tool",
"discovery": "WebMCP on the human page in a supporting browser",
"verification": "See audit/API-AUDIT.md; availability is not verification"
}
}Page guide
Flip text into an upside-down Unicode style.
Text with a different perspective
Supported Latin characters are mapped to upside-down Unicode symbols, then their order is reversed. Copy the result into another app to see how it renders.
Some characters stay unchanged
Not every letter has an upside-down equivalent. Accented letters and unsupported scripts are preserved. Decorative Unicode may be difficult for screen readers to interpret.
How to use Upside-down text
- Enter your text in the input field.
- The result updates as you type. Adjust the available settings if needed.
- Review the result, then use Copy result or a download link when available.
What to expect
Flip text into an upside-down Unicode style. The tool reverses the text and substitutes supported letters and punctuation. Unsupported characters remain unchanged. Appearance and screen-reader pronunciation vary by app.
Try a small example
hello