0U
ZeroUpload
Data & Dev Config • Zero-Server RAM Execution

Convert INI to JSON Online - Free, Local & Instant

Instant INI (.ini) to JSON (.json) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.

Technical Comparison: INI vs JSON

Data & Dev Config
Specification INI (Source) JSON (Target)
Full Specification Initialization Configuration File (.ini / .cfg) JavaScript Object Notation
File Extension & MIME .ini (text/plain) .json (application/json)
Data Typing Model Key = Value properties grouped by [section] headers Strict (strings, numbers, booleans, arrays, objects, null)
Structure & Hierarchy Two-level section & property configuration Deeply nested trees & arrays
Comments Support Supported (; and # comments) Not supported in RFC 8259 (supported via relaxed parser)
Primary Ecosystem PHP php.ini, Git .gitconfig, systemd units, desktop & game settings REST APIs, web apps, NoSQL document stores, modern configs

INI to JSON — Before & After Example

Before (INI Input)
[app]
name = my-service
version = 1.4.2
port = 8080
debug = false

[database]
host = localhost
port = 5432
user = admin
password = s3cr3t
pool_size = 10

[cache]
enabled = true
ttl_seconds = 3600
After (JSON Output)
{
  "app": {
    "name": "my-service",
    "version": "1.4.2",
    "port": 8080,
    "debug": false
  },
  "database": {
    "host": "localhost",
    "port": 5432,
    "user": "admin",
    "password": "s3cr3t",
    "pool_size": 10
  },
  "cache": {
    "enabled": true,
    "ttl_seconds": 3600
  }
}

Frequently Asked Questions: INI to JSON

How do I convert INI to JSON online without uploading sensitive files? ▾

Paste your INI data or drag and drop a .ini file into the converter above. ZeroUpload parses INI and serializes JSON 100% inside your browser RAM using local JavaScript—no bytes are ever sent to an external server.

How are nested objects or tabular columns mapped between INI and JSON? ▾

When converting hierarchical structures (Two-level section & property configuration) and tabular or config formats (Deeply nested trees & arrays), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.

Is this INI to JSON converter free for commercial and production config files? ▾

Yes. The tool is completely free, requires no account or API key, and works offline once loaded. Because execution happens in local memory, it is safe for proprietary INI, database exports, and production secrets.

Can I convert JSON back to INI? ▾

Yes! Click the "Swap (JSON → INI)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.