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JSON Scope

Open the 2 GB JSON. Query it.
Eonix (Pvt) Ltd · Developer Tools
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App info

Developer
Eonix (Pvt) Ltd
Category
Developer Tools, Utilities
Released
Sep 20, 2026
Version
1.0 (Sep 20, 2026)
Price
Free
Size
5.7 MB
Requires
iOS 17.0
Age rating
4+
Languages
English

In-app purchases

Pro Monthly$2.99
JSON Scope Pro — Lifetime$34.99
Pro Yearly$19.99
Current prices, App Store US.
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About JSON Scope

JSON Scope opens the JSON files other tools give up on. A 900 MB API dump, a 2 GB export, a multi-million-line NDJSON log: JSON Scope maps the file, indexes it once, and stays interactive without loading it into memory. Everything happens on your device. JSON Scope makes no network connections, has no account and collects no data. On macOS it ships without the network entitlement, so the system itself prevents it. FREE • Open .json files up to 50 MB • A virtualised tree that expands lazily at any depth • A raw byte view with line numbers • Find keys and values, with match counts and next/previous • Precise validation: line, column, the offending token, and what was expected • Copy a node's JSONPath, its value, or its whole subtree • Quick Look previews of JSON in Finder (macOS) PRO • Open .json files of any size — tested to 2 GB — and .jsonl / .ndjson • Table view: records as rows, with…
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