AppMarketSpy › Developer Tools › JSON Editor: Smart Json
JSON Editor: Smart Json
Viewer, Tree & Graph Formatter
Hue Nguyen · Developer Tools
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🔒 Rating history23 days of daily rating and rating countGet Pro access
App info
- Developer
- Hue Nguyen
- Category
- Developer Tools, Utilities
- Released
- Sep 9, 2026
- Version
- 1.2.1 (Sep 24, 2026)
- Price
- Free
- Size
- 7.6 MB
- Requires
- iOS 18.0
- Age rating
- 4+
- Languages
- English, Dutch, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
In-app purchases
| Smart Json Pro — Weekly | $1.99 |
| Smart Json Pro — Lifetime | $9.99 |
Current prices, App Store US.
🔒 Price history3 snapshots: when prices changed and new plans appearedGet Pro access
About JSON Editor: Smart Json
Json Editor: Smart Json turns a wall of JSON into something you can actually read on a phone. The same document, three linked views. Edit in any of them and the other two follow — the text is always the source of truth, so nothing drifts out of sync. EDITOR • Syntax highlighting that re-tokenizes only what you typed, so it stays fast • Line-number gutter, wrap and font size controls • A punctuation bar above the keyboard: braces, brackets, quotes, true, false, null, indent, undo and redo • Invalid JSON gets a plain-language banner naming the problem, its line and its column. Tap Go to jump the caret there, or Fix to repair comments, trailing commas, single quotes and unquoted keys automatically TREE • A collapsible outline with indent guides, type badges and child counts • Search across keys and values, filter by type • Edit any node in place: rename, change type, reorder, duplicate,…
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