DevToolkitUtilities

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ID Generator
Mock Data Generator
Thai CID Generator
Lorem Ipsum
QR Code Generator

Password Generator
Password Hasher
Hash Generator
HMAC Generator
Encryption / Decryption

Base64 Encoder
URL Encoder / Decoder
JWT Decoder
JWT Builder / Signer
Number Base Converter

JSON Formatter
JSON to TypeScript
JSON to Schema
JSON Compare
CSV ↔ JSON Converter

CSS Gradient Generator
CSS Unit Converter
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SEO Toolkit

String Utilities
Regex Tester
Text Diff Tool
Markdown Preview
LINE Message Formatter

Timestamp Converter
Timezone Converter
Cron Expression Reader

Image Converter
File Compressor

IP Address & Geolocation

SQL Analyzer

DevToolkit

JSON to TypeScript

Instant JSON to TypeScript interface generator. Paste your JSON data to automatically create accurate, strictly-typed TypeScript definitions for your development projects.

Input JSON

Root Interface Name

TypeScript Interface