JSON File Opener & Editor

JSON File Opener & Editor – JSON Viewer, Formatter & Validator

Open, view, edit and manage JSON files with a simple, powerful JSON editor for Android. Explore structured data in code view or tree view, validate JSON syntax, format readable code, minify JSON and save your changes with ease.

Whether you are a developer, student, tester or someone who needs to read a JSON file, this JSON file opener and viewer provides useful tools in one convenient app.

📂 Open JSON Files Easily

• Open JSON files from your device using the file picker.
• Create a new JSON file from scratch.
• Paste JSON text directly from your clipboard.
• Access recently opened files from the home screen.
• Reopen files and continue editing your JSON content.

👨‍💻 JSON Code Editor

• Read and edit JSON in a code editor with syntax highlighting.
• Use line numbers to navigate your JSON content.
• Find text and replace matching content.
• Undo and redo editing changes.
• Adjust the editor font size for comfortable reading.
• Use word wrap settings to control how long lines appear.

🌳 Explore JSON with Tree View

Understand structured data with a visual JSON tree viewer. Switch between code view and tree view to explore objects, arrays and nested values.

• Expand or collapse objects and arrays.
• Expand all nodes or collapse the tree when needed.
• Identify strings, numbers, objects and arrays using type labels.
• View nested JSON structures in a more organized layout.
• Explore complex JSON data without relying only on raw text.

✅ JSON Validator – Check Syntax

Check whether your JSON content is valid with the built-in JSON validator.

• See the current JSON validation status.
• Identify syntax errors with line and column information when available.
• Check your JSON before saving changes.
• Review the JSON structure and correct formatting issues.

✨ JSON Formatter, Beautifier & Minifier

Make JSON data easier to read or more compact with convenient JSON formatting tools.

• Format JSON into a readable, structured layout.
• Pretty-print JSON with consistent indentation.
• Minify JSON to reduce unnecessary whitespace.
• Sort JSON object keys alphabetically.
• Choose two-space or four-space indentation in settings.

Use the JSON formatter to organize code, the JSON beautifier to improve readability and the JSON minifier when you need compact JSON output.

💾 Save and Manage Your Files

• Save edited JSON content.
• Use Save As to create a separate file.
• Review unsaved changes before leaving your work.
• Access recent files from the home screen.
• Remove entries from the recent files list when needed.

🔎 Find and Replace JSON Text

Locate text within your JSON content and replace matching text when editing. Use the search tools to find relevant values and make changes more conveniently.

🎨 Customize Your JSON Editor

Personalize the interface to suit your preferences.

• Choose System, Dark or Light theme.
• Adjust editor font size.
• Select two-space or four-space indentation.
• Enable or disable line numbers.
• Toggle syntax highlighting.
• Control word wrapping for long lines.

📱 A Practical JSON Tool for Everyday Use

JSON File Opener & Editor brings essential JSON file handling, JSON viewing, code editing, tree navigation, validation and formatting tools together in one Android app.

Use it to inspect configuration files, read structured data, review JSON content, edit values, format code and organize your JSON workflow.

Download JSON File Opener & Editor and make working with JSON files simpler.