JSON File Opener & Editor

Contains adsIn-app purchases
Content rating
Everyone
10+
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Content rating
Everyone
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About this app

[Easily read and edit complex JSON files on your smartphone]
"JSON Viewer & Editor" is the perfect tool for debugging, modifying configuration files, and managing data on the go—even without a PC.

[Key Features]
▶ Intuitive Tree Editor: Easily navigate nested hierarchies with simple collapse/expand functionality.
▶ Smart Breadcrumbs: Track your current location at a glance and jump back to parent levels with a single tap.
▶ Powerful Search & Filter: Quickly highlight and edit specific keys or values within massive datasets.
▶ Seamless External Integration: Open JSON files directly from file managers, email attachments, or other apps via Intents.
▶ RAW Mode: Toggle to view raw formatted text and copy the entire file content with one tap.

■ Premium (Pro) Benefits
・Ad-Free Experience: Zero wait times when saving or sharing files.
・Advanced Editing: Drag-and-drop to reorder elements and easily duplicate nodes.
・Undo / Redo History: Restore changes instantly if you make a mistake.
・Full Feature Access: Unlock all customization options, including Dark Mode.

■ Recommended For
・Engineers who need to quickly check API responses while away from their desks.
・Users looking to adjust game settings or data files on their mobile devices.
・Developers seeking a lightweight, stable, and high-performance JSON tool.
・Users who prefer a reliable JSON viewer with a clean, user-friendly interface.

Put the ultimate JSON editor in your pocket.
Updated on
May 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

・Added the "Edit All" screen.
・Fixed bugs and improved performance.