100% Client-Side Private & Fast

Developer Micro-Tools Suite

A collection of high-performance, developer-first online utilities built by Lushai Dev. Zero-config, free forever, and processed directly in your browser.

6+ Free Tools
100% Client Security
0ms Server Latency

WhatsApp Link & QR Generator

Free

Create custom wa.me direct WhatsApp chat links with encoded pre-filled messages and downloadable QR codes.

Open Tool

JSON Formatter & Validator

Free

Prettify, validate syntax, view tree structure, and minify raw JSON code instantly with line error detection.

Open Tool

WebP & Base64 Image Converter

Free

Convert PNG/JPG to WebP format or copy Base64 data URLs directly in your browser with quality controls & batch conversion.

Open Tool

Meta Tag & OpenGraph Generator

Free

Generate Google SEO title, meta description, Twitter Cards, and OpenGraph tags with live Multi-platform SERP preview snippets.

Open Tool

SQL Formatter & Prepared Statements

Free

Format raw SQL queries, capitalize keywords, and convert to secure PHP PDO or Node.js prepared statement code snippets.

Open Tool

API Key & UUID Generator

Free

Generate cryptographically secure UUID v4 GUIDs, SHA-256 API secrets, JWT secrets, and complex passwords with entropy meters.

Open Tool

Bcrypt & Password Hasher

Free

Generate secure PHP Bcrypt, Argon2id, SHA-256, and SHA-512 password hashes and test existing password hashes against plaintext values.

Open Tool

HTML Code Runner

Free

Test, edit, and preview HTML, CSS, and JavaScript code online in real-time with an interactive sandboxed preview & developer console.

Open Tool

Code Syntax Error Finder

Multi-Lang

Find and debug syntax errors in PHP, JavaScript, JSON, HTML, CSS, SQL, Python, and XML with exact line numbers and smart fix guides.

Open Tool

Frequently Asked Questions

Learn more about security, data privacy, and browser execution of Lushai Dev tools.

Yes! All developer tools on Lushai Dev are completely free with unlimited usage. You do not need to register an account or provide credit card information.
No. All processing happens 100% inside your web browser using modern Web APIs and JavaScript engines. Your files, JSON payloads, images, and API keys remain completely private to your local device.
We welcome requests from developers and startups! Contact the Lushai Dev team via our About Us page to request new API features or web utility tools.