JSON XML Viewer - Formatter

Inspect API data offline

Only for iPhone

$1.99 · Designed for iPhone. Not verified for macOS.

iPhone

Format and extract values entirely on your device. One-time purchase with no ads and no subscription. Read API responses and configuration files without sending their contents to an external service. Paste JSON or XML, or open a text file, and the app detects and formats the data on your device. KEY FEATURES - Format and minify JSON and XML - Highlight keys, strings, numbers, tags, and symbols - Switch among Formatted, Raw, Key + Value, and Values-only views - Copy or share the exact output you need - Keep malformed data visible where possible - Open UTF-8, UTF-16, and Shift JIS text files - Preview the beginning of files larger than 10 MB Formatting, minifying, and value extraction are processed entirely on your device. Pasted text and opened files are not uploaded. One-time purchase. No ads. No subscription. For support, visit https://apps.caen.co.jp/jsonxmlviewer/support/

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Now available in Japanese, English, Simplified Chinese, Korean, Spanish, German, and French. Processing stays on your device. The app remains a one-time purchase with no ads or subscription.

Version 1.0.1

The developer, CAEN Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • CAEN, K.K.
    Size
    • 1.6 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 6 more
    • English, French, German, Japanese, Korean, Simplified Chinese, Spanish
    Age Rating
    4+
    Copyright
    • © 2026 CAEN Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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