Fast, 100% client-side JSON formatting, indentation, and syntax validation studio. Pretty-print messy JSON, minify payloads, and inspect nested structures with zero latency.
Cleanly indent minified REST API responses and GraphQL queries for effortless readability.
Strip unnecessary whitespace and indentation before deploying JSON config files or storing payloads.
Identify missing commas, trailing commas, unquoted keys, and mismatched brackets with exact error feedback.
iframe sandbox="allow-scripts..."依据《中文文案排版指北》规范，自动在中文汉字与英文、数字之间添加空格（盘古之白），纠正全角半角标点混用，支持 Markdown 实时排版转换与一键复制。纯本地离线运行。
Fast, 100% client-side regular expression tester and syntax highlighter. Test complex regex patterns with live capture group inspection and zero data transmission.
Distraction-free Pomodoro productivity timer paired with synthesized ambient soundscapes (rain, cafe, white noise). Stay in deep flow state with zero tracking or clutter.
Professional design color palette generator with integrated WCAG 2.1 AA/AAA accessibility contrast auditing. Generate harmonious color schemes and verify legibility instantly.