JSON Viewer

Open a JSON file, read it clearly, and repair it when it is broken.

No sign-in. No upload. The file stays on your phone, and everything works offline.

OPEN ANY JSON

• Tap a .json file anywhere on your device and it opens here

• Paste from the clipboard — JSON is detected for you

• Load straight from a URL, or open a .har network capture

• Minified and multi-megabyte files open without a blank screen

READ IT CLEARLY

• Tree view — expand and collapse, so a large file makes sense at a glance

• Formatted view with colour-coded syntax and line numbers

• Table and grid views for arrays of records

• Search across keys, values and text

• Breadcrumbs show exactly where you are in a deep structure

• Adjustable font size, dark and light themes

REPAIR BROKEN JSON

• Fixes trailing commas, single quotes, unquoted keys and missing brackets

• Lists exactly which repairs were made, so nothing changes silently

• Validation points at the line and column that failed

FORMAT AND EDIT

• Prettify or minify in one tap

• Edit in place with validation as you type

• Add, rename, duplicate and delete nodes

• Sort keys alphabetically

• Jump to any line

CONVERT AND EXPORT

• Excel, CSV, PDF, XML, YAML and Markdown

• Copy as CSV, XML, key-value pairs or Base64

• Save to your device or share anywhere

ALSO INSIDE

• JSONPath queries

• Compare two JSON documents side by side

• Templates to start from

• Favourites and recent files

• A built-in API client for quick requests

WHO IT IS FOR

Developers checking an API response on the move. QA engineers reading a payload

from a bug report. Anyone handed a .json file with no idea what is inside it.

PRIVACY

Files are processed entirely on your device. Nothing is uploaded, and no account

is required.