Supercharge Your Workflow with Modern Developer Tools
Fast, offline-ready utility workstation executing 100% in your browser. Zero tracking, zero latency, and uncompromising privacy.
JSON Formatter & Validator
Format, minify, validate, and convert JSON structures with syntax highlighting and interactive tree view.
File Inspector
Inspect file details, MIME type, precise size, last modified date, checksum hashes, and raw content preview.
Base64 Encoder & Decoder
Encode text or binary data into Base64 format or decode Base64 back into human-readable text.
Cryptographic Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes for text inputs.
URL Encoder & Decoder
Encode strings into URL-safe formats or parse and decode complex URL parameters and query strings.
Regex Tester & Explainer
Test regular expressions with real-time flag matching, visual highlights, and capture group extraction.
JWT Decoder
Decode JSON Web Tokens (JWT) safely in your browser to inspect headers, payloads, and expiration claims.
Color Code Converter
Convert colors between HEX, RGB, HSL, HSB, and CSS variables with live preview and contrast scores.
Markdown Viewer & Editor
Write, format, and preview Markdown in real-time with resizable split view, .md file import, formatting toolbar, and HTML export.
Mermaid Diagram Editor
Create, preview, customize, and export Mermaid diagrams in real-time with pan-zoom canvas, rich templates, and high-res PNG/SVG export.