压缩PDF文件 通过API减小大小

# Compress a PDF file
curl -X POST \
  https://api.convertfilefast.com/v2/pdf/compress \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@document.pdf" \
  -F "quality=medium" \
  -F "remove_metadata=true" \
  -D headers.txt \
  --output compressed.pdf

# HTTP 200 OK — Headers include compression stats:
# X-Original-Size, X-Compressed-Size, X-Compression-Ratio

import requests

response = requests.post(
    "https://api.convertfilefast.com/v2/pdf/compress",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    files={"file": open("document.pdf", "rb")},
    data={"quality": "medium", "remove_metadata": "true"}
)

# Read compression stats from response headers
original_size = response.headers.get("X-Original-Size")
compressed_size = response.headers.get("X-Compressed-Size")
compression_ratio = response.headers.get("X-Compression-Ratio")

print(f"Original: {original_size} bytes")
print(f"Compressed: {compressed_size} bytes")
print(f"Ratio: {compression_ratio}%")

with open("compressed.pdf", "wb") as f:
    f.write(response.content)

const formData = new FormData();
formData.append("file", fs.createReadStream("document.pdf"));
formData.append("quality", "medium");
formData.append("remove_metadata", "true");

const response = await fetch(
  "https://api.convertfilefast.com/v2/pdf/compress",
  {
    method: "POST",
    headers: { "Authorization": "Bearer YOUR_API_KEY" },
    body: formData,
  }
);

// Read compression stats from headers
console.log("Ratio:", response.headers.get("x-compression-ratio"));

fs.writeFileSync("compressed.pdf", Buffer.from(await response.arrayBuffer()));

// n8n HTTP Request Node
{
  "method": "POST",
  "url": "https://api.convertfilefast.com/v2/pdf/compress",
  "contentType": "multipart-form-data",
  "bodyParameters": {
    "parameters": [
      { "name": "file", "parameterType": "formBinaryData", "inputDataFieldName": "data" },
      { "name": "quality", "value": "medium" },
      { "name": "remove_metadata", "value": "true" }
    ]
  },
  "options": { "response": { "responseFormat": "file" } }
}