Liest Format, Masse, Farbraum, Bittiefe, Alphakanal, Bewegtbild, ICC-Profil und
Liest Format, Masse, Farbraum, Bittiefe, Alphakanal, Bewegtbild, ICC-Profil und Metadaten direkt aus dem Dateikopf von PNG, JPEG, GIF, WebP und SVG. Prueft gegen selbst gesetzte Anforderungen an Groesse, Seitenverhaeltnis, Format und Metadatenfreiheit und meldet Fallstricke wie CMYK, EXIF mit Ortsangabe oder sehr grosse Pixelmengen.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
903 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://tools.halowerk.com/v1/image/preflight
| Category | Image and media |
|---|---|
| Provider host | tools.halowerk.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.002 | 903 ms |
Example input (from the provider)
{
"body": {
"base64": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=",
"requirements": {
"formats": [
"png"
],
"max_bytes": 2000000
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"base64": {
"description": "Bilddatei als Base64",
"type": "string"
},
"requirements": {
"description": "Eigene Anforderungen",
"properties": {
"aspect_ratio": {
"description": "zum Beispiel 16:9",
"type": "string"
},
"aspect_tolerance": {
"default": 0.02,
"type": "number"
},
"formats": {
"items": {
"type": "string"
},
"type": "array"
},
"max_bytes": {
"type": "integer"
},
"max_height": {
"type": "integer"
},
"max_width": {
"type": "integer"
},
"min_height": {
"type": "integer"
},
"min_width": {
"type": "integer"
},
"require_no_metadata": {
"type": "boolean"
}
},
"type": "object"
}
},
"required": [
"base64"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}