
Dev Tool box - Developer Tools 4+
JSON, URL, Base64 & More
Seonggon Sim
-
- Free
Screenshots
Description
DevToolbox is an essential collection of developer utilities designed to streamline your coding workflow. Whether you're debugging APIs, encoding data, or formatting JSON, DevToolbox provides the tools you need in a clean, native interface.
KEY FEATURES:
- JSON Formatter & Validator
Format, validate, and beautify JSON with syntax highlighting. Easily convert between minified and pretty-printed formats. Tree view visualization for better structure understanding.
- URL Encoder/Decoder
Quickly encode or decode URLs for API testing and web development. Support for complete URL encoding and component encoding.
- Base64 Encoder/Decoder
Convert text to Base64 and vice versa. Perfect for encoding credentials, tokens, and data URIs.
- JWT Decoder
Decode and inspect JSON Web Tokens without external services. View header, payload, and signature details instantly.
- Text Case Converter
Transform text between various cases: camelCase, PascalCase, snake_case, kebab-case, UPPERCASE, lowercase, and more.
- Hash Generator
Generate secure hashes using MD5, SHA-1, SHA-256, and SHA-512 algorithms. Essential for checksum verification and security testing.
WHY DEVTOOLBOX?
- Native Performance: Built with SwiftUI for blazing-fast performance
- Privacy First: All processing happens locally on your device
- Universal App: Works seamlessly on iPhone, iPad, and Mac
- Dark Mode Support: Easy on the eyes during late-night coding sessions
- No Ads, No Tracking: Just pure functionality
- Offline Ready: No internet connection required
Perfect for:
- Mobile developers
- Web developers
- API developers
- QA engineers
- Security professionals
- Students learning to code
DevToolbox is your pocket-sized development companion, bringing essential tools right to your fingertips. Stop switching between websites and online tools - get everything you need in one native app.
Download DevToolbox today and supercharge your development workflow!
What’s New
Version 1.0.1
What's New in This Version
Enhanced JSON Formatter
• Syntax Highlighting: JSON output now features color-coded syntax for improved readability
- Keys displayed in blue
- Strings in green
- Numbers in orange
- Booleans in pink
- Null values in gray
- Brackets and braces in purple
• Search Functionality: Quickly find text within your formatted output
- Real-time search with highlighted results
- Navigate between multiple matches with previous/next buttons
- Current match indicator (e.g., "2/5")
- Keyboard shortcuts on macOS (Cmd+F to search, Cmd+G for next, Cmd+Shift+G for previous)
Improved User Experience
• Better visual distinction between different data types in JSON
• Search highlighting works seamlessly with syntax highlighting
• Enhanced readability for complex JSON structures
Performance
• Optimized rendering for large JSON files
• Smooth search and navigation experience
App Privacy
The developer, Seonggon Sim, 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 based on, for example, the features you use or your age. Learn More
Information
- Provider
- Seonggon Sim
- Size
- 160.2 KB
- Category
- Developer Tools
- Compatibility
-
- iPhone
- Requires iOS 18.0 or later.
- iPad
- Requires iPadOS 18.0 or later.
- Mac
- Requires macOS 15.0 or later.
- Apple Vision
- Requires visionOS 2.0 or later.
- Languages
-
English
- Age Rating
- 4+
- Copyright
- © Copyright 2025. SimSeonggon all rights reserved.
- Price
- Free