darbling

中国法定节假日与工作日计算器。查某年某月工作天数、某日期是否上班、距离节假日倒计时、调休换休提示。支持2024-2027年全部法定节假日及已知调休日。When the user asks about Chinese holidays, workdays, overtime, holiday countdown,...

Convert colors between HEX, RGB, HSL, HSV, CMYK, generate palettes, check WCAG contrast, and export CSS variables using pure Python.

All-in-one JSON toolkit — format, validate, query, minify, and extract data from JSON. Built-in JMESPath query, JSONPath support, syntax highlighting. 适合API调...

Create, format, align, sort, transpose, and convert tables between Markdown, CSV, JSON, and TSV using pure Python without dependencies.

Generate placeholder text, fake data, and test content including names, contacts, tech, finance, dates, JSON templates, and custom patterns.

Convert Markdown to beautiful presentations and slides. 一键将Markdown文档转换为精美PPT幻灯片，支持多种主题风格，适合商务汇报、教学课件、会议演讲。Markdown to PPT, presentation generator, slides ma...

Convert Chinese text to Pinyin (拼音). 中文转拼音工具，支持声调标记、去声调、首字母大写。适合语言学习、输入法开发、中文处理。Chinese to Pinyin converter with tone marks.

Randomly select or split team members with options for weighted choice, exclusions, and fair distribution over multiple rounds.

Generate URL-friendly slugs from text. 将任意文本转换为SEO友好的URL别名，支持中英文混合、自动去除特殊字符。适合博客、电商、CMS系统。URL slug maker, permalink generator, URL safe string.

Generate UUIDs in versions v1, v4, and v5 with options for count, namespace, name, and output format.

提供A股大盘指数、涨跌停、北向资金监控及交易税费计算，支持多源数据交叉验证和用户自定义接口扩展。

Generate and verify hashes (MD5, SHA variants, CRC32, HMAC, BLAKE2) for strings and files with streaming support and no external dependencies.

Islamic holiday calendar and Hijri date converter. 穆斯林节假日日历，支持Ramadan斋月、Eid开斋节、Ashura等重要节日查询，伊斯兰历转换。Islamic calendar, Ramadan, Eid al-Fitr, Eid al-Adha, Hijr...

Track your packages and deliveries worldwide. 支持顺丰、圆通、中通、申通、韵达、邮政EMS、UPS、FedEx、DHL等国内外快递实时查询，快递单号一键查询物流轨迹。Express tracking, parcel delivery status, logistics查询。

World timezone converter — convert times across 200+ cities worldwide. Perfect for international calls, remote work, travel planning, and global business. Fe...