Json Minifier API

POST https://api.findutils.com/api/tools/json-minifier/execute

Minify JSON to a single line with no whitespace and return the compact text plus original size, minified size (bytes), and reduction percentage. The input must be valid JSON; a parse error is reported with its position.

Open the tool Try it

Request body

application/json

json

string required

The JSON text to minify.

Example arguments

Verified

{
  "json": {
    "a": 1,
    "b": [
      1,
      2
    ]
  }
}

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curl -X POST https://api.findutils.com/api/tools/json-minifier/execute \
  -H "Content-Type: application/json" \
  -d '{
    "json": "{ \"a\": 1, \"b\": [1, 2] }"
  }'

const response = await fetch('https://api.findutils.com/api/tools/json-minifier/execute', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({"json":"{ \"a\": 1, \"b\": [1, 2] }"}),
});
const data = await response.json();

import requests

response = requests.post(
    "https://api.findutils.com/api/tools/json-minifier/execute",
    json={"json":"{ \"a\": 1, \"b\": [1, 2] }"},
)
data = response.json()

$ch = curl_init('https://api.findutils.com/api/tools/json-minifier/execute');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
    CURLOPT_POSTFIELDS => '{"json":"{ \"a\": 1, \"b\": [1, 2] }"}',
    CURLOPT_RETURNTRANSFER => true,
]);
$data = json_decode(curl_exec($ch), true);

Also an MCP tool

Call json_minifier from Claude, Cursor or any MCP client. Same arguments, same output.

https://mcp.findutils.com

MCP reference

Rate limit: 60 a minute, per IP
Auth: None
REST id: json-minifier
MCP name: json_minifier
Category: Data
Machine-readable: openapi.json · markdown.md

Request body

Example arguments

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