JSON Minifier

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About this app

JSON Minifier is a fast, lightweight, and 100% offline developer tool designed to compress, format, and validate JSON data instantly on your Android device.



Whether you are a software engineer, API developer, web designer, or student, JSON Minifier makes handling complex or large JSON payloads simple, efficient, and private.



⚡ PRIMARY FEATURES



• JSON Minification: Instantly compress formatted JSON by removing unnecessary line breaks, whitespace, and indentation into a single compact line string.

• JSON Beautifier \& Formatter: Convert compact JSON strings into clean, human-readable structured JSON with customizable indentation (2 spaces, 4 spaces, or Tabs).

• JSON Validator: Quickly test if your JSON payload is syntactically correct. Get precise error messages and line/column locations when syntax errors occur.

• Detailed Statistics: View real-time JSON statistics including original size, minified size, bytes saved, compression reduction percentage, character count, and line count.

• Local File Import \& Export: Import `.json` or `.txt` files directly using Android Storage Access Framework (SAF) and save your minified/formatted results safely.

• Local Processing History: Keep track of recent minification and formatting sessions with instant preview and copy options.

• Clipboard \& Sharing: Copy processed JSON with a single tap or share results directly using standard Android share sheet.

• Input/Output Swapping: Easily use your output as new input for repeated formatting and testing workflows.

• Customizable Editor: Adjust editor font sizes (Small, Medium, Large), toggle line numbers, word wrapping, and keep screen awake settings.

• Dark \& Light Theme: Full support for System Default, Dark Mode, and Light Mode for comfortable night editing.



🔒 PRIVACY FIRST \& 100% OFFLINE



Your privacy and code security are our top priority. JSON Minifier operates completely locally on your device without requiring an internet connection. Your JSON content is never uploaded, stored, or transmitted to any remote server or third party.



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⚠️ DISCLAIMER



JSON Minifier is provided "AS IS" as a developer productivity utility. While every effort has been made to ensure accurate JSON parsing and formatting according to RFC 8259 standards, the developer is not responsible for any data loss, code corruption, or damages resulting from the use or misuse of processed JSON strings. Users are advised to verify critical JSON structures before deploying to production environments.
Fast, offline JSON minifier, beautifier \& validator. 100% private local tool.
Updated on
Sep 24, 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.
  • This app may share these data types with third parties
    Device or other IDs
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted
Content rating
Everyone
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App support

About the developer
LUMBINI MINERALS AND MINES
mail@lumbinimm.com
Kathmandu Metropolitan City -11 Kathmandu Nepal
+977 974-4464796

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