Developer Tools

JSON Formatter

Supports JSON data formatting, minification, and validation, providing real-time syntax checking and error location (line/column hints). Supports key sorting and custom indentation, suitable for API debugging, configuration management, and code review.

Color Converter

Supports color format conversion between HEX, RGB, HSL, and CMYK, providing real-time preview and color picker. Automatic synchronized conversion, suitable for design handoff, CSS styling, and style guide unification.

CSS Unit Converter

Supports conversion between CSS units like px, em, rem, %, vw, vh, providing responsive breakpoint settings. Automatically calculates context-dependent values, suitable for responsive layout development, frontend implementation, and style adaptation.

Lorem Generator

Generates Lorem Ipsum placeholder text, supporting custom paragraph, word, or character counts. Provides a start sentence option, suitable for layout testing, prototype filling, and content placeholder.

Hash Checksum

Generate SHA-256/SHA-512/SHA-1 hashes for text or files. Compare with expected checksums to quickly verify file integrity. No file size limit.

JWT Decoder

Parse JWT tokens to view Header and Payload content, visually check expiration and issuance times.