PDF to JPG for your browser, your PC and your code.

<?php
$api = getenv('RASTERNIVO_API_URL') ?: 'https://rasternivo-api.swiftinfocorp.com/v1';

$ch = curl_init("$api/conversions");
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('RASTERNIVO_API_KEY'),
        'Idempotency-Key: ' . bin2hex(random_bytes(16)),
    ],
    CURLOPT_POSTFIELDS => [
        'options' => json_encode(['pages' => '1-3', 'dpi' => 300, 'zip' => true]),
        'file' => new CURLFile('report.pdf', 'application/pdf'),
    ],
]);
$job = json_decode(curl_exec($ch), true);
echo $job['id'], ' ', $job['state'], "\n";

import json
import os
import uuid

import requests

API = os.environ.get("RASTERNIVO_API_URL", "https://rasternivo-api.swiftinfocorp.com/v1")

with open("report.pdf", "rb") as pdf:
    job = requests.post(
        f"{API}/conversions",
        headers={
            "Authorization": "Bearer " + os.environ["RASTERNIVO_API_KEY"],
            "Idempotency-Key": str(uuid.uuid4()),
        },
        data={"options": json.dumps({"pages": "1-3", "dpi": 300, "zip": True})},
        files={"file": ("report.pdf", pdf, "application/pdf")},
    ).json()
print(job["id"], job["state"])

// Node.js 20 or newer: no packages needed.
import { randomUUID } from "node:crypto";
import { readFile } from "node:fs/promises";

const API = process.env.RASTERNIVO_API_URL ?? "https://rasternivo-api.swiftinfocorp.com/v1";

const form = new FormData();
form.append("options", JSON.stringify({ pages: "1-3", dpi: 300, zip: true }));
form.append("file", new Blob([await readFile("report.pdf")], { type: "application/pdf" }), "report.pdf");

const res = await fetch(`${API}/conversions`, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.RASTERNIVO_API_KEY}`,
    "Idempotency-Key": randomUUID(),
  },
  body: form,
});
const job = await res.json();
console.log(job.id, job.state);

curl -X POST "https://rasternivo-api.swiftinfocorp.com/v1/conversions" \
  -H "Authorization: Bearer $RASTERNIVO_API_KEY" \
  -H "Idempotency-Key: report-2026-11-02-001" \
  -F 'options={"pages": "1-3", "dpi": 300, "zip": true}' \
  -F "file=@report.pdf;type=application/pdf"