Convert integers of any size (signed) between bases 2 to 36
Convert integers of any size (signed) between bases 2 to 36: binary, octal, decimal, hex, base32, base36, with bit and byte length and two's complement. Accepts 0x/0b/0o prefixes.
Answeringour last check, 2026-10-03
1 of 1checks answered this week
320 msmedian answer time
$0.003listed price per call
$0.003price 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://api.vextorium.com/base-numerica-pago
| Category | Everything else |
|---|---|
| Provider host | api.vextorium.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-03 | valid payment request | 402 | $0.003 | 320 ms |
Example input (from the provider)
{
"body": {
"a": [
2,
8,
10,
16
],
"valor": "0xff"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"a": {
"description": "Output bases (default 2,8,10,16,36)",
"items": {
"type": "integer"
},
"type": "array"
},
"de": {
"description": "Input base (default 10)",
"type": "integer"
},
"valor": {
"type": "string"
}
},
"required": [
"valor"
]
},
"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": {
"properties": {
"base_entrada": {
"type": [
"number",
"null"
]
},
"bits": {
"type": [
"number",
"null"
]
},
"bytes": {
"type": [
"number",
"null"
]
},
"conversiones": {
"properties": {
"10": {
"type": [
"string",
"null"
]
},
"16": {
"type": [
"string",
"null"
]
},
"2": {
"type": [
"string",
"null"
]
},
"8": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"decimal": {
"type": [
"string",
"null"
]
},
"entrada": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}