JSON Viewer iPhone Last updated: 2026-07-31

JSON Viewer Support

Open a page containing JSON in Safari, then run the JSON Viewer extension.

Set up the extension

  • Open Safari extension settings in the Settings app and enable JSON Viewer.
  • Allow access to the websites where you want to use JSON Viewer.

How to use it

  • Open a JSON endpoint or page displaying JSON text in Safari.
  • Choose JSON Viewer from Safari's Extensions menu.
  • Use formatting, folding, search, copy, and other available controls as needed.

Troubleshooting

If nothing appears, confirm that the page contains valid JSON, review website access for the extension, and reload the page. Safari internal pages and restricted pages are not supported.

FAQ

Is JSON uploaded to a server?

No. Validation, formatting, and display occur on your device.

Does the app save JSON content?

No. JSON content is not stored persistently by the app.

Contact

For questions about JSON Viewer, please contact CAEN Inc. by email.

info@caen.co.jp