JSON5 Formatter Online

Format JSON5 in browser with support for comments, trailing commas, unquoted keys, and copy-ready normalized output.

How to use

  1. Paste JSON5 Input into the editor.
  2. Run the browser-side format workflow.
  3. Review the Formatted JSON5 and copy it when ready.

Benefits

  • Keeps json5 processing local to the browser for quick review.
  • Surfaces json5 issues or structure details before downstream reuse.
  • Keeps the processed result visible and copy-ready in the shared workspace.

JSON5 Input

{
  userId: 101,
  username: 'developer_hero',
  isActive: true,
  roles: ['admin', 'editor'],
  profile: {
    firstName: 'Jane',
    lastName: 'Doe',
    age: 28,
  },
  stats: {
    visits: 1540,
    lastSeen: '2023-10-25T14:30:00Z',
  },
}

Formatted JSON5

{
  userId: 101,
  username: 'developer_hero',
  isActive: true,
  roles: ['admin', 'editor'],
  profile: {
    firstName: 'Jane',
    lastName: 'Doe',
    age: 28,
  },
  stats: {
    visits: 1540,
    lastSeen: '2023-10-25T14:30:00Z',
  },
}

FAQ

Can I formatter JSON5 directly in browser?

Yes. The JSON5 route runs in browser so you can inspect the result without sending the document to a server.

Does this JSON5 route keep the result copy-ready?

Yes. The shared workspace keeps the processed result visible so you can review and copy it immediately after running the tool.