Developer Tools

Fast, secure, and privacy-focused tools for developers. All processing happens in your browser — no data is sent to any server.

Base64 Encoder/Decoder

Encode and decode Base64 strings without any data leaving your browser

JWT Decoder

Decode JWT tokens to inspect header and payload without sending data to servers

Regex Builder & Tester

Build and test regular expressions with immediate feedback in a distraction-free environment

Mock Data Generator

Generate realistic mock data in JSON, CSV, or other formats for testing and development

UUID Generator

Generate UUIDs (v1, v4) instantly without any server calls or data collection

Hash Generator

Generate secure hashes using MD5, SHA1, SHA256, and other algorithms locally

URL Encoder/Decoder

Encode/decode URL components and query strings without leaving your browser

Markdown/HTML Converter

Convert between Markdown and HTML formats with live preview and syntax highlighting

Favicon Generator

Create favicons in multiple formats (ICO, PNG, SVG) from your source image

Website SEO Analyzer

Analyze your website's on-page SEO factors and get improvement recommendations

ShadCN Theme Customization

Create and customize themes for shadcn/ui components with live preview

Why Our Developer Tools?