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Offers deterministic developer utilities, data conversion and validation tools, image optimization, color tools, QR generation, and placeholder graphics.
도구
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['input'], 'properties': {'mode': {'enum': ['encode', 'decode'], 'type': 'string', 'default': 'encode', 'description': 'Direction.'}, 'input': {'type': 'string', 'maxLength': 100000, 'minLength': 1, 'description': 'Text to encode, or Base64 to decode.'}, 'url_safe': {'type': 'boolean', 'default': False, 'description': 'Use URL-safe alphabet (-_ instead of +/, no padding).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['mode', 'result'], 'properties': {'mode': {'type': 'string', 'description': 'encode or decode.'}, 'result': {'type': 'string', 'description': 'The encoded or decoded text.'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'value': {'type': 'string', 'maxLength': 2000, 'minLength': 1, 'description': 'The number, in from_base (e.g. "ff", "1010", "255").'}, 'to_base': {'type': 'integer', 'default': 16, 'maximum': 36, 'minimum': 2, 'description': 'Base to convert to (2â\x80\x9336).'}, 'from_base': {'type': 'integer', 'default': 10, 'maximum': 36, 'minimum': 2, 'description': 'Base of the input (2â\x80\x9336).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['input', 'from_base', 'to_base', 'result', 'decimal'], 'properties': {'input': {'type': 'string'}, 'result': {'type': 'string', 'description': 'The value in to_base.'}, 'decimal': {'type': 'string', 'description': 'The value in base 10.'}, 'to_base': {'type': 'number'}, 'from_base': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'value': {'type': 'string', 'maxLength': 64, 'minLength': 1, 'description': 'A color: "#3b82f6", "rgb(59,130,246)" or "hsl(217,91%,60%)".'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['hex', 'rgb', 'hsl'], 'properties': {'hex': {'type': 'string'}, 'hsl': {'type': 'string'}, 'rgb': {'type': 'string'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['color'], 'properties': {'color': {'type': 'string', 'maxLength': 64, 'minLength': 1, 'description': 'Base color: "#3b82f6", "rgb(...)" or "hsl(...)".'}, 'harmony': {'enum': ['complementary', 'analogous', 'triadic', 'tetradic', 'monochromatic'], 'type': 'string', 'default': 'analogous', 'description': 'Color-harmony rule.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['harmony', 'base', 'colors'], 'properties': {'base': {'type': 'string', 'description': 'The base color as hex.'}, 'colors': {'type': 'array', 'items': {'type': 'object', 'required': ['hex', 'hsl'], 'properties': {'hex': {'type': 'string'}, 'hsl': {'type': 'string'}}, 'additionalProperties': False}}, 'harmony': {'type': 'string'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['input'], 'properties': {'input': {'type': 'string', 'maxLength': 100000, 'minLength': 0, 'description': 'Text to measure.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['characters', 'utf16_units', 'words', 'lines', 'bytes'], 'properties': {'bytes': {'type': 'number', 'description': 'UTF-8 bytes.'}, 'lines': {'type': 'number'}, 'words': {'type': 'number'}, 'characters': {'type': 'number', 'description': 'Unicode code points.'}, 'utf16_units': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['expression'], 'properties': {'expression': {'type': 'string', 'maxLength': 200, 'minLength': 1, 'description': 'A 5-field cron expression, e.g. "30 2 * * 1-5".'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['minute', 'hour', 'day_of_month', 'month', 'day_of_week', 'next_runs'], 'properties': {'hour': {'type': 'string'}, 'month': {'type': 'string'}, 'minute': {'type': 'string'}, 'next_runs': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Next run times in UTC ISO 8601.'}, 'day_of_week': {'type': 'string'}, 'day_of_month': {'type': 'string'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'input': {'type': 'string', 'maxLength': 64, 'description': 'Optional: a Unix timestamp (s or ms) or ISO date string. Omit for the current time.'}, 'timezone': {'type': 'string', 'default': 'UTC', 'maxLength': 64, 'description': 'IANA timezone, e.g. "America/New_York" or "UTC".'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['timezone', 'local', 'iso_utc', 'unix_s', 'unix_ms'], 'properties': {'local': {'type': 'string', 'description': 'Human-readable local time in the timezone.'}, 'unix_s': {'type': 'number'}, 'iso_utc': {'type': 'string'}, 'unix_ms': {'type': 'number'}, 'timezone': {'type': 'string'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['a', 'b'], 'properties': {'a': {'type': 'string', 'maxLength': 100000, 'minLength': 0, 'description': 'The original ("before") text.'}, 'b': {'type': 'string', 'maxLength': 100000, 'minLength': 0, 'description': 'The updated ("after") text.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['changed', 'added', 'removed', 'diff'], 'properties': {'diff': {'type': 'string', 'description': 'The line diff (+/-/space prefixed), empty if identical.'}, 'added': {'type': 'number'}, 'changed': {'type': 'boolean'}, 'removed': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['input'], 'properties': {'input': {'type': 'string', 'maxLength': 100000, 'minLength': 1, 'description': 'Text to hash (UTF-8).'}, 'algorithm': {'enum': ['sha-256', 'sha-1', 'sha-384', 'sha-512'], 'type': 'string', 'default': 'sha-256', 'description': 'Hash algorithm. Default sha-256.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['algorithm', 'hex'], 'properties': {'hex': {'type': 'string', 'description': 'The hex-encoded digest.'}, 'algorithm': {'type': 'string', 'description': 'The hash algorithm used.'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['message', 'secret'], 'properties': {'secret': {'type': 'string', 'maxLength': 4096, 'minLength': 1, 'description': 'The shared secret key (UTF-8).'}, 'message': {'type': 'string', 'maxLength': 100000, 'minLength': 0, 'description': 'The message to sign (UTF-8).'}, 'encoding': {'enum': ['hex', 'base64'], 'type': 'string', 'default': 'hex', 'description': 'Output encoding.'}, 'algorithm': {'enum': ['sha-256', 'sha-1', 'sha-384', 'sha-512'], 'type': 'string', 'default': 'sha-256', 'description': 'Hash algorithm.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['algorithm', 'encoding', 'signature'], 'properties': {'encoding': {'type': 'string'}, 'algorithm': {'type': 'string'}, 'signature': {'type': 'string', 'description': 'The HMAC in the requested encoding.'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'format': {'enum': ['webp', 'avif', 'jxl'], 'type': 'string', 'default': 'avif', 'description': 'Target format to compare against JPEG.'}, 'quality': {'enum': ['web', 'high'], 'type': 'string', 'default': 'web', 'description': 'web = typical web quality (SSIM 0.95); high = near-lossless (SSIM 0.98).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['format', 'quality', 'percent_smaller_than_jpeg', 'all_formats', 'source'], 'properties': {'format': {'type': 'string'}, 'source': {'type': 'string'}, 'quality': {'type': 'string'}, 'all_formats': {'type': 'object', 'required': ['avif', 'webp', 'jxl'], 'properties': {'jxl': {'type': 'number'}, 'avif': {'type': 'number'}, 'webp': {'type': 'number'}}, 'additionalProperties': False}, 'percent_smaller_than_jpeg': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['input'], 'properties': {'mode': {'enum': ['pretty', 'minify'], 'type': 'string', 'default': 'pretty', 'description': 'pretty = 2-space indent; minify = single line.'}, 'input': {'type': 'string', 'maxLength': 100000, 'minLength': 1, 'description': 'JSON text.'}, 'sort_keys': {'type': 'boolean', 'default': False, 'description': 'Sort object keys alphabetically (deep).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['valid', 'formatted'], 'properties': {'valid': {'type': 'boolean', 'description': 'Whether the input was valid JSON.'}, 'formatted': {'type': 'string', 'description': 'The formatted JSON text.'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['token'], 'properties': {'token': {'type': 'string', 'maxLength': 100000, 'minLength': 1, 'description': 'The JWT (three dot-separated segments).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'header': {'description': 'The decoded JWT header object.'}, 'exp_iso': {'type': 'string', 'description': 'Expiry as ISO 8601, if present.'}, 'expired': {'type': 'boolean', 'description': 'Whether the token is past its exp, if present.'}, 'payload': {'description': 'The decoded JWT payload (claims).'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['image_url'], 'properties': {'width': {'type': 'integer', 'maximum': 4096, 'minimum': 16, 'description': 'Resize to this width in px, preserving aspect ratio. Omit to keep original size.'}, 'format': {'enum': ['webp', 'avif', 'jpeg'], 'type': 'string', 'default': 'webp', 'description': 'Output format. webp = best browser support; avif = smallest; jpeg = universal.'}, 'quality': {'type': 'integer', 'default': 80, 'maximum': 100, 'minimum': 1, 'description': 'Encode quality 1-100 (80 is a good default).'}, 'image_url': {'type': 'string', 'format': 'uri', 'description': 'Public URL of the source image (PNG/JPEG/WebP/AVIF/GIF).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['format', 'original_bytes', 'optimized_bytes', 'saved_pct', 'mime_type'], 'properties': {'format': {'type': 'string', 'description': 'Output image format.'}, 'mime_type': {'type': 'string'}, 'saved_pct': {'type': 'number', 'description': 'Percent smaller than the original.'}, 'original_bytes': {'type': 'number'}, 'optimized_bytes': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'bg': {'type': 'string', 'default': '#e5e7eb', 'maxLength': 32, 'description': 'Background color (hex, rgb() or hsl()).'}, 'text': {'type': 'string', 'maxLength': 120, 'description': 'Label text. Defaults to the dimensions, e.g. "600Ã\x97400".'}, 'color': {'type': 'string', 'default': '#6b7280', 'maxLength': 32, 'description': 'Text color.'}, 'width': {'type': 'integer', 'default': 600, 'maximum': 4000, 'minimum': 1, 'description': 'Width in pixels.'}, 'height': {'type': 'integer', 'default': 400, 'maximum': 4000, 'minimum': 1, 'description': 'Height in pixels.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['svg', 'width', 'height'], 'properties': {'svg': {'type': 'string', 'description': 'The SVG markup.'}, 'width': {'type': 'number'}, 'height': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['text'], 'properties': {'ecc': {'enum': ['L', 'M', 'Q', 'H'], 'type': 'string', 'default': 'M', 'description': 'Error-correction level: L=7%, M=15%, Q=25%, H=30% recoverable.'}, 'size': {'type': 'integer', 'default': 320, 'maximum': 1024, 'minimum': 64, 'description': 'SVG pixel size.'}, 'text': {'type': 'string', 'maxLength': 2000, 'minLength': 1, 'description': 'Text or URL to encode.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['svg'], 'properties': {'svg': {'type': 'string', 'description': 'The QR code as SVG markup.'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['pattern', 'input'], 'properties': {'flags': {'type': 'string', 'default': 'g', 'maxLength': 8, 'description': 'Regex flags, e.g. "gi". Allowed: g i m s u y d.'}, 'input': {'type': 'string', 'maxLength': 20000, 'minLength': 0, 'description': 'Text to test against.'}, 'pattern': {'type': 'string', 'maxLength': 1000, 'minLength': 1, 'description': 'The regex pattern (without slashes).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['matched', 'match_count', 'truncated', 'matches'], 'properties': {'matched': {'type': 'boolean', 'description': 'Whether the pattern matched at all.'}, 'matches': {'type': 'array', 'items': {'type': 'object', 'required': ['index', 'match', 'groups'], 'properties': {'index': {'type': 'number'}, 'match': {'type': 'string'}, 'groups': {'type': 'array', 'items': {'type': ['string', 'null']}}}, 'additionalProperties': False}, 'description': 'Each match with its start index and captured groups.'}, 'truncated': {'type': 'boolean', 'description': 'True if results were capped at 100.'}, 'match_count': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['input'], 'properties': {'input': {'type': 'string', 'maxLength': 2000, 'minLength': 1, 'description': 'Text to slugify.'}, 'separator': {'enum': ['-', '_'], 'type': 'string', 'default': '-', 'description': 'Word separator.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['slug'], 'properties': {'slug': {'type': 'string', 'description': 'The URL-safe slug.'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['storage_gb'], 'properties': {'content': {'enum': ['photos', 'video'], 'type': 'string', 'default': 'photos', 'description': 'What to count.'}, 'storage_gb': {'type': 'number', 'maximum': 4096, 'minimum': 1, 'description': 'Advertised storage size in GB (e.g. 64, 128, 256, 512).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['storage_gb', 'usable_gb', 'content', 'breakdown'], 'properties': {'content': {'type': 'string'}, 'breakdown': {'type': 'array', 'items': {'type': 'object', 'required': ['label', 'count', 'unit'], 'properties': {'unit': {'type': 'string'}, 'count': {'type': 'number'}, 'label': {'type': 'string'}}, 'additionalProperties': False}, 'description': 'How many of each item fit.'}, 'usable_gb': {'type': 'number', 'description': 'Usable GB after OS/filesystem overhead.'}, 'storage_gb': {'type': 'number'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value', 'from', 'to'], 'properties': {'to': {'type': 'string', 'maxLength': 8, 'minLength': 1, 'description': 'Target unit (must be the same category as "from").'}, 'from': {'type': 'string', 'maxLength': 8, 'minLength': 1, 'description': 'Source unit (e.g. "km", "lb", "mib", "c").'}, 'value': {'type': 'number', 'description': 'The numeric value to convert.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value', 'from', 'to', 'result', 'category'], 'properties': {'to': {'type': 'string'}, 'from': {'type': 'string'}, 'value': {'type': 'number'}, 'result': {'type': 'number'}, 'category': {'type': 'string'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['url'], 'properties': {'url': {'type': 'string', 'maxLength': 4000, 'minLength': 1, 'description': 'The URL to parse (absolute, with scheme).'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['scheme', 'host', 'port', 'path', 'query', 'fragment'], 'properties': {'host': {'type': 'string'}, 'path': {'type': 'string'}, 'port': {'type': 'string', 'description': 'Port, or empty if the scheme default.'}, 'query': {'type': 'array', 'items': {'type': 'object', 'required': ['key', 'value'], 'properties': {'key': {'type': 'string'}, 'value': {'type': 'string'}}, 'additionalProperties': False}}, 'scheme': {'type': 'string'}, 'fragment': {'type': 'string'}, 'username': {'type': 'string'}}, 'additionalProperties': False}
입력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'count': {'type': 'integer', 'default': 1, 'maximum': 100, 'minimum': 1, 'description': 'How many to generate.'}, 'version': {'enum': ['v4', 'v7'], 'type': 'string', 'default': 'v4', 'description': 'UUID version. v7 = time-ordered.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['version', 'uuids'], 'properties': {'uuids': {'type': 'array', 'items': {'type': 'string'}, 'description': 'The generated UUIDs.'}, 'version': {'type': 'string', 'description': 'UUID version generated.'}}, 'additionalProperties': False}
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