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DevDash

Last updated: April 13, 2026

JSON Formatter for Express.js Developers

Quick Answer

DevToolHQ's json formatter works great alongside Express.js. Use it to quickly json formatter during development, then integrate the pattern into your Express.js codebase using the code example below.

Use Cases in Express.js

  • 1.Format API responses in Express.js for debugging
  • 2.Pretty-print configuration files
  • 3.Validate JSON payloads from webhooks
  • 4.Debug REST API request/response bodies

Express.js Code Example

Express.js
// Pretty-print JSON responses in Express
const express = require('express');
const app = express();

app.set('json spaces', 2); // global pretty-print

app.get('/api/data', (req, res) => {
  res.json({ users: [{ id: 1, name: 'Alice' }] });
});

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