All-in-one developer toolbox, always at your fingertips.

Chunin centralizes the most-used developer utilities in one platform. Quick, reliable, and accessible

QR Code Generator

Create, customize, and export QR codes with beautiful frame templates.

Generate UUID v1, v4, and v6 with one click. Copy to clipboard instantly.

Compare two texts side by side with character-level highlighted additions and removals.

Encode text to Base64 or decode it back. Supports file upload and download.

Format, minify, and validate JSON. Syntax-highlighted view with collapsible tree.

Convert between HEX, RGB, HSL, and OKLCH color formats with live preview and copy.

Write HTML in one pane and see a live rendered preview in another.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for any input.

Create strong, customizable passwords with configurable length and character sets.

Convert Unix timestamps to human-readable dates and vice versa.

Test regular expressions in real time with match highlighting and capture groups.

Decode JWT tokens to inspect header, payload, and signature without sending data anywhere.

Encode and decode URL components for safe query string handling.

Convert text between camelCase, snake_case, kebab-case, PascalCase, and more.