iz_

hubs

JSON Formatter: Local Browser-Side Engine

A precise, offline-capable JSON validation and minification engine. Designed for security-conscious engineers, ensuring your data never leaves the local client environment.

verified_user Local Processing speed Instant
Preview
// Raw Input
{
  "id": 12903,
  "status": "active",
  "flags": [true, false]
}
// Formatted Output
{
  "id": 12903,
  "status": "active",
  "flags": [
    true,
    false
  ]
}
View Interface

Technical Specifications

dataset

Large Files (100MB+)

Optimized tokenizer streams data to avoid main-thread blocking on massive payloads.

wifi_off

Offline Support

Fully PWA compliant. Install on your device and use without an internet connection.

code_blocks

ES2023 Compliant

Handles modern standards including trailing commas, comments, and BigInt values.

lock

Sandboxed

Execution runs in an isolated Web Worker context for maximum security.

Launch Tool

dev-utils.izhubs.com open_in_new

Usage Guide

  1. Installation & Operation

    Paste any valid or semi-valid JSON string into the left-hand pane. The parser will attempt to auto-correct common errors instantly.

  2. Essential Keyboard Shortcuts

    Use the following shortcuts to speed up your workflow:

    Format Code Cmd + Enter
    Minify Cmd + Shift + M

Technical Overview

The JSON Formatter & Validator on IZHubs is built using an optimized tokenizer stream approach. Unlike traditional formatters that load the entire JSON into memory, our engine processes payloads in chunks. This allows for the handling of massive files (100MB+) without blocking the main browser thread.

Key Features

  • Local Processing: All data stays within your browser.
  • ES2023 Compliant: Full support for modern JSON extensions including BigInt and trailing commas (in lenient mode).
  • Zero-Latency: Instant formatting and minification optimized by Web Workers.
  • Syntax Highlighting: Built-in support for multiple technical themes.

Security Model

Security is not a feature; it is our foundation. The tool operates under a strict Sandbox environment:

  1. No Data Transit: No POST requests are ever made to external servers.
  2. Web Worker Isolation: Parsing logic runs in a separate thread, protecting the main page state.
  3. PWA Capable: Can be installed as a local application for permanent offline use.

Usage Guide

  1. Paste your code into the primary input pane.
  2. Auto-Format: The tool will instantly detect the structure.
  3. Export: Use the copy-to-clipboard or download feature to retrieve your sanitized output.

For detailed source code verification, visit the official IZHubs GitHub repository.