All products
FuryJSON app icon

FuryForm app

Available now

Structured data editor

FuryJSON

JSON Viewer & Editor with tree and raw text modes, syntax highlighting, and offline-first privacy.

Tree + text viewsOffline-firstPrivate by default
Published

Get the app

Available in 1 store.

Privacy policy
FuryJSON interface preview
A readable tree, raw text, and validation in one calm workflow.

Inside FuryJSON

Everything important, close at hand.

Move between a readable overview and the raw document without losing your place.

Key features

  • JSON tree viewer: browse objects and arrays as a collapsible node tree.
  • Visual JSON editor: edit values, keys and nodes directly from Tree View.
  • Text JSON editor: edit raw JSON with syntax highlighting and undo/redo.
  • JSON formatter: pretty-print and format JSON for easier reading.
  • JSON validation: detect invalid JSON before applying text edits.
  • Search and filter: find text matches and filter JSON tree nodes quickly.
  • Large file support: optimized editor engine for large JSON documents.
  • Two-way editing: switch between Tree View and Text View while keeping content in sync.
  • Share and export: share JSON files through the Android share sheet.
  • CSV export [Premium]: export JSON data to CSV.
  • Expression evaluator [Premium]: run JSONata-style expressions to query and transform JSON.
  • Tablet friendly: adaptive two-pane layout for tablets and landscape screens.
  • Offline and private: files stay on your device unless you choose to share or export them

A quick product tour

See it in use.

Open any screen for a closer look.

Screen 01Tap to expand
Screen 02Tap to expand
Screen 03Tap to expand
Screen 04Tap to expand