🏠 日常生活工具

💰 AA制账单分摊计算器Bill Splitter 多人聚餐或活动费用分摊，支持等额AA、按人数比例分摊、逐项明细与小费计算，自动汇总每人应付金额，解决聚会结账分账问题。Bill Splitter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 CSV ↔ JSON 互转CSV JSON CSV 与 JSON 双向互转工具在表格与结构化数据间转换，支持表头映射与数组解析，前端实时预览，适合数据导入导出、接口联调与脚本处理。CSV JSON - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 CSV ↔ Markdown 表格互转CSV to Markdown CSV 与 Markdown 表格互转工具将表格数据一键转为带分隔线的 Markdown 表格或反向解析，适合写文档、README 与维基页面中的表格编辑。CSV to Markdown - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily ... 💧 喝水提醒计划计算器Drinking Water Plan 喝水提醒计划计算器Drinking Water Plan - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 YAML/JSON 互转YAML JSON YAML 与 JSON 互转工具在两种数据格式间转换，保留结构并支持注释处理，适合配置文件、CI 流水线与环境变量的格式转换。YAML JSON - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🌍 世界时钟World Clock 输入城市A的当地时间与城市B所在时区，自动换算并显示城市B对应的当地时间与日期，便于跨时区安排会议、协作与出行行程。World Clock - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 📅 中国节假日日历Holiday Calendar 2024-2027年法定节假日、24节气、农历速查，支持月份切换与日历导航Holiday Calendar - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 中文数字 ⇄ 阿拉伯数字Chinese Number 中文数字转换工具支持简体、大写与金额格式的中文化与阿拉伯数字双向转换，覆盖万、亿等单位，适合财务开票、票据填写与文书数字规范化。Chinese Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 体积换算器Volume Convert 支持 ml / L / gal / pt / qt / 杯 / 汤匙 / 茶匙Volume Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 📅 倒计时器（设置日期）Countdown 设定目标日期时间，实时倒计时显示天/时/分/秒，进度条可视化已过比例。Countdown - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 功率换算器Power Convert 以瓦特（W，1 W = 1 J/s）为基准，在 mW、kW、MW、hp（马力）等功率单位间换算，输入数值即得其他单位，适用于电器与机械功率对照。Power Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Li... 🔄 单位换算器Unit Converter 输入数值与源单位、目标单位（覆盖长度、重量、面积、体积、温度等15类以上），实时换算出目标单位数值，适用于日常与工程中的跨单位转换场景。Unit Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔥 卡路里计算器Calorie Calculator 输入身高、体重与活动水平，估算每日热量消耗与推荐摄入，并给出 BMI 身体质量指数评估体重是否健康，辅助制定减脂或增肌饮食计划。Calorie Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔄 压力换算器Pressure Convert 以帕斯卡（Pa，1 Pa = 1 N/m²）为基准，在 kPa、MPa、bar、atm、psi 等压力单位间换算，输入数值即出结果，覆盖气象、工程与日常压强场景。Pressure Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily... ⏰ 多功能倒计时器Countdown Timer 一个多功能倒计时工具，可同时管理多个事件（如高考、考研、节日）的倒计时，也内置番茄钟专注计时，适合日常规划与时间管理场景使用。Countdown Timer - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 密度换算器Density Convert 以千克每立方米（kg/m³）为基准，在 g/cm³、lb/ft³、kg/L 等常用密度单位间互相换算，输入数值即得出对应结果，适合物理化学与工程单位转换。Density Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily ... 🔐 密码生成器（带强度检测）Generator Strength 自定义密码长度并勾选大小写、数字、符号等字符类型，生成高强度随机密码，同时实时评估其安全强度，一键复制用于账户注册或密钥设置。Generator Strength - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the D... 💵 小费计算器Tip Calculator 输入账单金额与用餐人数，按美国、欧洲等多国常见小费比例（如 15–20%）计算小费金额与每人应付总额，出国用餐或聚餐分摊时快速核算。Tip Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life ... 🔄 工作日计算器Workday Calculator 工作日计算器统计两个日期之间的自然日与工作日数，可排除周末与自定义节假日，适合项目排期、考勤与工期估算。Workday Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔄 年龄天数计算Age in Days 输入出生日期，计算从那天到此刻所经过的精确天数、小时、分钟与秒数，直观感受生命时长，也可用于纪念日或特定事件的时间跨度统计。Age in Days - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🏠 强密码检测器（检查强度）Detector Checker Strength 实时检测所输入密码的强度，分析长度、大小写、数字、符号组合并给出 0–100 安全评分与等级提示，帮助设置更安全的账户口令、规避弱密码。Detector Checker Strength - check and validate online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Dail... 🔄 戒指尺寸换算器Ring Size Converter 戒指尺寸换算器依据内周长或直径在各国家戒圈尺码间转换，提供毫米对照，适合网购选码、定制首饰与尺码表查询。Ring Size Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Da... 🔄 数字转中文Number to Chinese 数字转中文在线工具，将阿拉伯数字转换为中文大写或小写读数，支持整数与小数金额，适合财务票证与朗读，纯前端运行。Number to Chinese - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Dail... 🔄 数据存储单位换算Data Storage Unit Convert 数据存储单位换算器在 bit、Byte、KB、MB、GB、TB 等之间转换，区分 1000 与 1024 进制，适合硬盘容量、文件大小与流量套餐的单位换算。Data Storage Unit Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of ... 🔄 数据速率换算器Data Rate Converter 数据速率换算器在 bit/s、kbps、Mbps、Gbps 及字节速率间转换，区分十进制与二进制单位，适合网络带宽、传输速率与流量单位换算。Data Rate Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Da... 🔄 日期加减计算器Date Add Subtract 输入一个基准日期并指定要增加或减少的年、月、日、时、分、秒（支持负数减法），计算目标日期时间，适合排期、到期提醒等场景推算。Date Add Subtract - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 日期差 / 年龄计算器Date Difference / Age Calculator 日期差与年龄计算器求两个日期之间的天数、月数与年龄，支持跨年计算与工作日历，适合生日提醒、合同期限与工期统计。Date Difference / Age Calculator - compare online, free and clear. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th... 📅 日期差计算器Date Difference Calculator 输入两个日期，计算它们之间相差的天数、周数、月数与年数，可用于项目周期、年龄跨度或合同期限统计，结果按多种单位同时呈现便于对比。Date Difference Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the... 🔄 时间戳转换Timestamp Convert 在线时间戳转换工具，支持 Unix 时间戳与日期时间互转，多时区显示与批量转换，方便日志与接口调试，纯前端运行。Convert Unix timestamps to readable dates or back with timezone support. Handle seconds and milliseconds, batch-transform—free, browser-only, no upload. 🔄 时间换算器Time Convert 支持 ms / s / min / h / day / week / month / yearTime Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Lif... 🔄 服装尺码换算器Clothing Size Converter 选择女上装等服装类别，输入中国码或美码、英码、欧码、国际码之一，自动换算为其他尺码体系，解决海淘与跨境购物时的选码困扰。Clothing Size Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th... 🔄 油耗换算器Fuel Converter 在 L/100km（百公里油耗）、mpg（每加仑英里）等油耗单位间互相换算，输入一种表示法即得出其他标准，方便比较中外车型燃油经济性指标。Fuel Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔄 流量换算器Flow Convert 流量换算器在 L/s、m³/h、gpm、CFS 等单位间转换，覆盖公制与英制，适合给排水、灌溉与工程中体积流量的单位换算。Flow Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Lif... 🔄 浓度换算器Concentration Convert 浓度换算器在 ppm、mg/L、百分比与摩尔浓度间换算，依据溶液密度处理水溶液情形，适合实验配比、水质检测与环境监测的浓度单位转换。Concentration Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ... 🌡️ 温度转换器Temperature Converter 摄氏度、华氏度、开尔文、兰金度、列氏度五种温标实时互转，并附温度计可视化对比，方便科研、烹饪与日常温度单位换算。Temperature Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ... 🍳 烹饪单位换算器Cooking Unit Converter 在克、毫升、杯、汤匙等烹饪单位间换算，内置常见食材密度，适合按配方缩放用量，纯前端即时换算。Cooking Unit Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the... 🔄 生日悖论计算器Birthday Paradox 输入群体人数估算至少两人生日相同的概率，直观展示生日悖论，适合概率科普与课堂演示，纯前端计算。Birthday Paradox - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 生肖星座计算器Zodiac Calculator 生肖星座计算器根据出生日期自动推算中国十二生肖与西方十二星座，并展示对应性格标签与日期区间，适合生日查询、社交破冰与传统文化科普。Zodiac Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Li... 📊 百分比计算器Percentage Calculator 计算部分占整体的百分比（如 X 是 Y 的百分之几）、百分比增减与总额为基准的分配，输入数值即时得出结果，适合折扣、占比与统计场景速算。Percentage Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Dail... 🔄 磁场强度换算器Magnetic Field Strength Convert 在磁场强度 H（A/m、Oe）与磁感应强度 B（T、G）等磁学单位间互相换算，输入数值即得出对应结果，适合物理实验与电磁工程的单位转换。Magnetic Field Strength Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Pa... ⏱️ 秒表计时器Stopwatch 一款专业在线秒表，支持开始、暂停、继续与逐圈计次（分段计时），精确到毫秒，可查看每圈用时，适合运动训练、实验计时等需要精确记录场景。Stopwatch - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🎂 精确年龄计算器Age Calculator 输入出生日期与具体时间，精确到秒计算您的当前年龄，并展示周岁、生肖、星座及已度过的总天数，适合生日倒计时或趣味年龄统计。Calculate exact age in years, months, days and seconds from birth date, with live ticking and retirement estimates. Private, no upload—free, browser-only. 💝 纪念日倒计时（多组）Countdown 2 可添加生日、结婚纪念日等多个重要日期，自动计算距下一个纪念日或自上次以来的天数，支持每年重复事件，所有数据本地保存，方便长久追踪。Countdown 2 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 罗马数字转换Roman Numeral 在阿拉伯数字与罗马数字之间双向转换，输入 1–3999 的阿拉伯数可得到对应罗马数字，反向也可解析罗马数字为数值，适合书籍章节、钟表读数等场景。Roman Numeral - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 罩杯尺寸换算器Bra Size Converter 罩杯尺寸换算器在各国胸罩尺码间转换，依据上下胸围差确定罩杯，支持国际、欧、美、日码对照，适合网购选码与尺码表查询。Bra Size Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Dai... 🔄 能量换算器Energy Convert 能量换算器在焦耳、卡路里、千瓦时、电子伏特等单位间转换，内置热化学与物理常数，适合营养热量、电力与物理习题的能量单位换算。Energy Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔄 节日倒计时Event Countdown 节日倒计时工具计算春节、元旦等中外节日的剩余天数并实时刷新，支持自定义日期，适合日程提醒、活动预热与日常时间管理。Event Countdown - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 角度换算器Angle Convert 支持 度(°) / 弧度(rad) / 梯度(grad) / 转(rev)Angle Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Li... ⏱️ 计时器（正计时/倒计时）Countdown 1 ⏱️ 计时器（正计时/倒计时）Countdown 1 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 💱 货币换算器Currency Converter 支持 100 多种货币之间的即时换算，输入金额与目标币种即可得出结果，附近期汇率走势示意（数据仅供演示），适合旅行、海淘时快速估算。Currency Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Dai... 🔄 辐射剂量换算器Radiation Converter 辐射剂量换算器：Gy、rad、mGy 与 Sv、mSv、μSv、rem 之间一键互转。Radiation Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Da... 🔄 进制转换Base Convert 在二进制、八进制、十进制与十六进制之间互转，支持小数与大整数，用于编程与数制学习，纯前端即时换算。Base Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Lif... 🔄 速度换算器Speed Convert 速度换算器在 m/s、km/h、mph、节等单位间转换，覆盖陆地、航空与航海速度，适合出行、运动与工程中速度单位的即时换算。Speed Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Li... 🔄 重量换算器Weight Convert 支持 mg / g / kg / t / oz / lb / 克拉 / 两 / 斤Weight Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔄 长度换算器Length Convert 支持 mm / cm / m / km / in / ft / yd / mi / 海里 / 光年Length Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily L... 🔄 闰年检查器Leap Year Checker 闰年检查器依据格里高利历规则判断指定年份是否为闰年并说明原因，支持批量与区间查询，适合日历计算、日期逻辑校验与教学演示。Leap Year Checker - check and validate online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life t... 🏠 随机数生成器（范围任意）Generator Random 1 随机数生成器支持自定义范围、数量与是否允许重复，批量生成整数或小数，纯前端随机算法，适合抽奖、抽样、测试数据与密码盐值生成。Generator Random 1 - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the D... 🔄 面积换算器Area Convert 面积换算器在平方米、平方公里、亩、公顷、平方英尺等单位间即时换算，内置常用换算系数，适合房产、土地与装修场景的面积单位转换。Area Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Lif... 🔄 鞋码换算器Shoe Size Converter 鞋码换算器依据脚长（毫米）在各国鞋码间转换，覆盖中、欧、美、英、日码，适合网购选码、海淘与尺码表对照查询。Shoe Size Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Da... ⏱️ 音乐练习计时器Music Practice Timer Device 音乐练习计时器支持分段练习与多阶段循环计时，可设定各段落时长与休息，适合乐器练习、声乐训练与专注计时管理。Music Practice Timer Device - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools. 🔄 频率换算器Frequency Convert 以赫兹（Hz，1 Hz = 1 次/秒）为基准，在 kHz、MHz、GHz、rpm 等频率单位间换算，输入任意值即得出其他单位结果，适合电子与工程计算。Frequency Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Dail... 🎨 颜色名称查询Color Name Finder 输入色值查询颜色名称，或输入颜色名查询对应的色值，包含中文传统颜色大全Color Name Finder - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Daily Life tools.