所有工具 — 免费在线实用工具

Convert CSV/TSV data into beautifully formatted ASCII or Markdown tables.

将IPv4网络划分为等大小的子网，或使用VLSM按主机需求分配子网。

编码或解码 Base64 字符串 — 支持文本和文件。

Convert numbers between binary, hexadecimal, octal, and decimal bases instantly.

Generate a custom CSS reset stylesheet with preset options.

Calculate and compare CSS selector specificity (A, B, C).

Convert CSS properties to the nearest Tailwind CSS classes

将CSV数据转换为JSON，将JSON数组转换回CSV——支持分隔符选项和实时预览。

Measure lines of code, cyclomatic complexity, nesting depth, and maintainability

Side-by-side code diff with syntax highlighting and patch export

Count total, blank, comment, and code lines in any pasted code with language auto-detection.

Convert code snippets to beautiful shareable PNG images.

用通俗语言解析和解释cron表达式——查看接下来10次计划运行时间。

Convert any date string between ISO 8601, Unix timestamp, RFC 2822, and 10+ other formats.

Generate favicon files in multiple sizes from text or an uploaded image using Canvas API. Download individual PNGs or a ZIP with all sizes and ready-to-use HTML link tags.

Identify any file's true type by reading its magic bytes — no upload required.

Generate conventional commit messages following the Conventional Commits spec with type, scope, emoji prefix, breaking change flags, and issue references.

包含80多个基本Git命令的交互式参考，按类别组织，支持搜索和收藏。

压缩HTML、CSS和JavaScript以减小文件大小——完全在浏览器中运行。

Generate a complete, customisable HTML starter template in seconds.

Live HTML, CSS, and JS editor with instant preview

Build HTML tables visually with cell editing, merging, and styling options.

Convert HTML to clean Markdown with support for tables, code blocks, and nested elements.

可搜索的HTML实体参考，包含命名、数字和十六进制形式——点击即可复制。

Complete reference of all standard HTTP status codes with descriptions and examples.

Look up the country, city, ISP, timezone, and map location of any IP address instantly.

输入带CIDR前缀或子网掩码的IPv4地址，计算网络地址、广播地址、主机范围、通配符掩码和二进制分解。

Paste CSV data to get a sortable, filterable, paginated data table

Side-by-side Markdown syntax and rendered output with a live playground.

Format, validate, and explore JSON with syntax highlighting, JSONPath browser, tree collapse, and schema inference.

Generate JSON Schema (draft-07) automatically from a sample JSON object.

Visualize JSON as an interactive collapsible tree with type highlighting.

Convert JSON to CSV and CSV to JSON with nested object flattening and smart type detection.

Convert JSON arrays into formatted HTML tables with sorting, zebra striping, and CSV export.

Convert JSON to well-formed XML with indentation, custom root element, and attribute mode.

在浏览器中即时转换JSON和YAML。

格式化、校验和压缩 JSON — 精确定位语法错误。

对JSON数据执行JSONPath表达式，以提取、过滤和探索嵌套结构。

Browse and explore the free JSONPlaceholder REST API interactively

深度比较两个JSON对象，并可视化已添加、已删除和已更改的键。

自动将JSON对象转换为TypeScript接口或类型别名定义。

解码和检查JWT令牌——包括头部、载荷和签名——无需任何服务器请求。

Beautify, minify, and validate JavaScript and JSON code

Run and test JavaScript code directly in your browser with console output.

对JavaScript代码应用基础混淆转换：变量重命名、字符串编码和空白删除。

Press any key to see its keyCode, key, code, charCode, and more.

Test every key on your keyboard with a visual QWERTY layout.

Generate full HTML page templates with lorem ipsum for mockups and wireframes.

将 Markdown 转换为简洁的 HTML — 实时并排预览。

Generate SEO-optimized HTML meta tags with live Google and Twitter card preview.

Convert numbers between any bases 2–36 with arbitrary precision, negatives, and floating point support.

Generate placeholder image URLs and embed code using placeholder.com and Picsum.

Build and send HTTP requests directly from your browser with headers, body, and query params.

Searchable library of 50+ common regular expression patterns with live tester.

Visual regex testing with color-highlighted matches and capture groups.

Generate a robots.txt file with presets for common crawlers and custom user-agent rules.

Convert between Roman numerals and decimals with vinculum support

Visual SQL query builder for SELECT, INSERT, UPDATE, DELETE

立即将杂乱的SQL查询美化并格式化，添加适当的缩进和关键字大小写。

Draw and edit SVG shapes in the browser

Combine multiple SVG icons into a single sprite file with usage snippets.

On-screen pixel ruler with draggable guides and measurement pins for design work.

Hash strings with MD5, SHA-1, SHA-256, SHA-512, CRC32, and FNV-1a

Pad, trim, repeat, replace, wrap, escape, and extract substrings — all in one place.

Convert CSV, TSV, or delimited text to HTML table, Markdown, or JSON

Convert any text into a clean, URL-friendly slug instantly.

Visualize text as colored bit patterns, toggle individual bits, and perform byte-level AND/OR/XOR/NOT operations.

Simulate URL shortening with localStorage-based link tracking.

对 URL 和查询参数进行百分比编码或解码 — 支持完整和组件两种模式。

将特殊字符编码为HTML实体，并将实体解码为纯文本——支持命名实体和数字实体。

将任意URL拆分为其组成部分，或从各部分组合URL——带有实时查询参数编辑器。

生成UUID v4、UUID v7、ULID和Nano ID——一键批量生成。

Convert any character or string between Unicode representations: U+ notation, decimal, hex, HTML entities, CSS content, URL encoding, UTF-8/UTF-16 bytes, and binary.

Format, validate, and minify XML with syntax highlighting.

验证YAML语法并将其转换为格式化的JSON——完全在浏览器中运行。

Build and generate cURL commands interactively

Convert cURL commands into JavaScript fetch(), Axios, or Python requests code.

为网址、文本、Wi-Fi、联系人等生成自定义二维码 — 免费,无需注册。

点击"导出CSV"下载所有单圈数据，或点击"重置"清除计时器和单圈表格。

生成Code 128、Code 39、EAN-13、UPC-A和ITF-14格式的条形码，并下载为SVG或PNG。

可视化构建<iframe>嵌入代码，完全控制大小、沙箱策略、权限和加载策略。

从正向和负向示例字符串自动生成正则表达式模式。

从任意基色生成和谐的调色板——互补色、三色、类似色和分裂互补色。

使用设备摄像头扫描或上传图片解码二维码——在浏览器中解码任意二维码。

按段落、句子、单词或字节数生成Lorem Ipsum占位文本——支持HTML和纯文本输出。

在公制和英制单位之间换算 — 长度、重量、温度、面积、体积。

将纯文本转换为二进制、十六进制、八进制或十进制——以及反向转换——并提供逐字符分解。

将Unix时间戳转换为人类可读的日期，反之亦然——支持秒、毫秒和微秒。

从文本或文件生成SHA-1、SHA-256、SHA-384和SHA-512哈希——在浏览器中离线运行。

生成可自定义长度和字符集的强随机密码 — 离线运行。

显示屏幕分辨率、视口、设备像素比、浏览器详情、硬件并发数等信息。

将文本翻译为摩斯码，将摩斯码翻译回文本——支持音频播放。

将任意图片文件转换为Base64编码的数据URI字符串。

在十进制（SI）和二进制（IEC）模式下，转换比特、字节、KB、MB、GB、TB、PB等文件大小单位。

在阿拉伯数字和罗马数字之间转换——支持1到3,999,999的扩展记法。

在二进制、八进制、十进制和十六进制之间即时转换数字，并提供按位分解。

将数字转换为英文单词——最多支持到万亿，含序数和货币格式。

使用实时匹配高亮、捕获组和替换模式测试正则表达式。

JSON压缩与美化工具

使用真实HTTP请求测量您的网络延迟和基本下载速度。

正则表达式速查表与测试工具

Windows、macOS、VS Code、Chrome、Excel、Word、Figma、Photoshop和终端的可搜索键盘快捷键。

Webhook/HTTP请求测试工具

掷骰子、抛硬币、随机抽扑克牌并生成随机数——全部使用密码学随机算法。

在 HEX、RGB、HSL、HSV 和 CMYK 之间转换颜色 — 实时预览。

Calculate the exact age difference between two people

使用公制或英制单位即时计算体质指数（BMI） — 无需注册。

执行矩阵运算——加法、减法、乘法、转置、行列式和逆矩阵——并附带逐步解题过程。

计算小费金额并在任意人数之间分摊账单——支持自定义小费比例。

从任意数据集计算均值、中位数、众数、标准差、方差等统计量。

Plot mathematical functions interactively on a canvas with a safe recursive descent parser. Supports multiple functions, zoom/pan, intercepts, and local extrema.

Calculate great-circle distance between two locations using the Haversine formula.

Perform addition, subtraction, multiplication, transpose, determinant, and inverse on matrices up to 5×5.

Generate arithmetic, geometric, Fibonacci, prime, and custom number sequences.

Convert numbers to ordinal form, ordinal words, and Roman numerals.

Convert numbers to Roman numerals and back — supports up to 3,999,999 with vinculum.

Factorize numbers up to 10¹⁵ with SVG factor trees

Convert numbers between standard, scientific, engineering, and E-notation with significant-figure rounding.

Convert speed between m/s, km/h, mph, knots, ft/s, Mach, and more.

Convert weight and mass between all common units instantly

转换8个专业类别的单位，包括压强、能量、力和燃油经济性。

方程求解器

检查您的密码强度——熵值评分、破解时间估算和可操作的改进建议。

以年、月、日、时、分精确计算您的年龄。

计算两个日期之间的差值，或在任意日期上加减天数、周数、月数和年数。

计算图像和视频的宽高比——查找任意比例的尺寸，按比例缩放图像。

生成经典数字序列、识别未知序列或定义自定义序列。

将任意数字格式化为区域分隔符、科学记数法、工程记数法、文字、缩写、罗马数字等——一次全部完成。

可视化斐波那契数列、动态黄金螺旋以及比值向φ的收敛过程。

完成文章后出现结果屏幕；点击"再试一次"开始新的随机文章。

计算百分比、增减幅度、小费及占总量的百分比 — 六种模式。

逐步展示加、减、乘、除分数的运算过程，并提供可视化分数条。

计算带有月供的复利增长——用图表查看您的投资随时间增长的情况。

完整的科学计算器，含三角函数、对数、幂次和历史记录——完全在浏览器中运行。

检查任意10¹²以内的数是否为质数，查看其因式分解，并探索相关质数信息。

计算月供、总利息及完整还款计划。

给定另外两个值，求速度、距离或时间，并自动进行单位换算。

Bidirectional Morse code converter with audio playback and microphone decode.

Convert text to 14+ cases instantly — camelCase, PascalCase, snake_case, kebab-case, dot.case, and more.

Find all valid English anagrams and sub-words from any set of letters.

通过输入点和横线或点击交互式按键按钮来解码摩尔斯电码。

Count characters, words, and reading time with platform limit progress bars.

Analyze letter and character frequency in any text — great for cryptography.

Translate text between 20 languages using a free API

生成多种风格的占位文本——经典拉丁文、海盗风格、企业术语、科技流行语或文艺范——支持自定义词汇表。

Split-pane Markdown editor with instant HTML preview.

将 Markdown 转换为简洁的 HTML — 实时并排预览。

Analyze text readability with Flesch, Gunning Fog, SMOG, and more readability scores.

Sort, deduplicate, reverse, number, and shuffle text lines

Measure how similar two texts are using cosine, Jaccard, and Levenshtein metrics.

Summarize long articles and documents using extractive TF-IDF sentence scoring — no AI API required. Highlights summary sentences and extracts key phrases.

Wrap or reflow text to a fixed line width.

Convert text to Morse code and play it as audio

浏览并复制Unicode字符、符号、表情符号等。

Advanced real-time text analysis with readability scores, keyword density, and export.

Look up definitions, synonyms, and examples for any English word

Compare two texts word by word with color-coded additions, deletions, and changes side by side.

粘贴任意文本，生成按词频缩放的词云可视化，支持颜色选项和PNG下载。

检查单词或短语是否正向和反向读法相同，支持忽略大小写和标点符号的选项。

统计单词数、字符数、句子数、段落数及预计阅读时间。

可视化创建Markdown表格——编辑单元格，添加/删除行和列，设置对齐方式。

反转文本、翻转上下颠倒、排序行、删除重复项、打乱以及更多文本工具。

比较两段文本并高亮显示添加、删除和更改——逐行差异并高亮显示词级更改。

以词级、字符级或行级差异高亮比较两段文本。

将任意文本重复指定次数，支持自定义分隔符、前缀和后缀。

即时在大写、小写、首字母大写、驼峰式、帕斯卡式、下划线式和连字符式之间转换文本。

分析文本以查找词频、热门关键词和密度——适用于SEO和内容分析。

粘贴任意文本，即时提取所有有效的电子邮件地址——支持去重。

估算任意文本的阅读和朗读时间及可读性统计数据。

对任何文本进行深度统计分析：词频、可读性、音节数、字母分布等。

Feature-rich browser whiteboard with layers, undo/redo, and PNG export.

Calculate, simplify, and scale aspect ratios

Preview and customise CSS keyframe animations live, then copy the ready-to-use CSS code.

Visually generate CSS clip-path shapes — polygon, circle, ellipse, inset — with draggable handles, preset shapes, and live preview.

Build a complete CSS design token system with colors, typography, spacing, shadows, and export to CSS, SCSS, JS, or Tailwind.

Build CSS filter effects visually with live preview — blur, brightness, contrast, sepia, hue-rotate, and more.

Generate CSS glassmorphism effects with live preview and code export

Visually design CSS borders, shadows, and frames for images and copy the code.

Generate pure CSS loading spinners and animations with live preview.

Browse all 140 CSS named colors as swatches, filter by hue, sort by name or lightness

Generate animated CSS neon glow text effects with live preview

Generate CSS neumorphism / soft UI box-shadow styles with live preview.

Generate pure CSS triangles and arrows with live preview using the border trick or clip-path.

可视化构建CSS边框、轮廓和盒子阴影，带实时预览和即时代码输出。

Check WCAG contrast ratio for foreground and background colors.

Generate complementary, triadic, and other color palettes from any base color.

Find the closest CSS named color for any hex or RGB value.

Extract dominant colors from any image using k-means clustering with CSS, Tailwind, Figma, and ASE export.

Extract a dominant color palette from any image using k-means clustering.

Advanced color picker with eyedropper, history, and 6 format outputs

Interactive HSL color wheel with harmony suggestions and palette export.

Find the nearest Tailwind CSS color class for any color

Generate CSS clamp() fluid typography values for responsive font sizes.

Create stunning CSS mesh gradients with draggable control points.

Create stunning CSS gradient text effects with live preview

Interactive color picker with HSL, RGB, HEX, and HSV support

浏览和搜索全部140个命名HTML/CSS颜色，包含HEX和RGB值。

Transform typed text into a realistic handwriting-style image and download as PNG.

Calculate PPI, total megapixels, and pixel dimensions for any screen or print.

Render text in retro pixel/bitmap fonts and export as PNG or text art.

Generate random single colors or harmony-aware palettes with HSL constraints, locked colors, export to CSS/HEX/RGB/HSL, and palette history.

Generate CSS or SMIL animations for SVG elements

Browse 200+ categorised SVG icons, customise colour and size, and copy or download.

Generate tileable SVG patterns for backgrounds with live preview

Create decorative SVG wave dividers for websites with live preview and one-click download.

粘贴SVG路径`d`属性，在带网格的画布上实时渲染，并探索每个解析的路径命令。

将SVG标记转换为CSS background-image数据URI——URL编码或Base64格式。

Pick any color from your screen and get harmonies, accessibility, and conversions.

Live font preview with Google Fonts and side-by-side comparison

可视化构建CSS线性和径向渐变，并复制可直接使用的CSS属性。

可视化构建CSS box-shadow值，支持实时预览和多层叠加。

没有硬性限制，但非常长的字符串可能产生宽输出。使用宽度滑块来换行或限制输出。

会话期间添加的自定义时区将保留，直到您删除它们或关闭标签页。目前未启用通过localStorage持久化。

可视化构建CSS @keyframes动画，带实时预览、时间控件和cubic-bezier缓动编辑器。

通过在格子上拖动项目可视化构建CSS Grid布局，并导出CSS。

可视化地以拖放停靠点创建美丽的多停靠点CSS渐变。

浏览精选的Google Fonts搭配方案，实时预览标题和正文文本，并复制即用的CSS代码片段。

将开尔文色温转换为RGB和十六进制颜色值。

预览您的图片在不同类型色盲人群眼中的外观。

检查前景色/背景色对的WCAG 2.1对比度，即时获取通过/失败结果。

使用RGB、RYB减色、HSL或感知Lab混合模式混合两种颜色，并实时预览渐变效果。

Calculate and track your budget using the 50/30/20 rule.

Compare planned budget against actual spending with visual charts

Validate card numbers with Luhn check and detect card network

Live currency exchange rates and converter

Calculate purchasing power and inflation impact using historical CPI data from 1913–2025.

Project investment growth with compound interest and charts

Project investment growth with charts, scenarios, and inflation-adjusted returns.

Find the maximum loan you can afford based on your income, debts, and the 28/36 rule.

Compare up to 3 loans side by side with visual charts

Estimate loan eligibility based on income, debts, credit score, and loan type.

Calculate how to pay off debt faster with avalanche vs snowball strategies.

Compare the total cost of buying (loan) versus leasing a car or equipment.

Generate a full mortgage amortization schedule with charts and summary

Calculate your monthly mortgage payment with taxes, insurance, PMI, and amortization.

Compare 2–3 mortgage offers side-by-side including APR and break-even analysis.

See how much time and interest you save by making extra mortgage payments.

Track assets, liabilities, and visualize your personal net worth

Create polished invoices with logo, multiple tax rates, discounts, and payment details.

Project your retirement savings with compound growth, inflation adjustment, and a 4% rule income estimate.

Calculate how long it takes to reach your savings goal with compound interest.

Generate stylised text signatures or draw freehand and download as PNG.

Filter and sort a demo dataset of 30 well-known stocks.

Estimate your US federal income tax using 2024 tax brackets.

Visualize how your income is taxed across 2024 US federal brackets with a clear chart.

Compare cost-per-unit across products to find the best shopping value.

Add or remove VAT / sales tax from any amount instantly.

每天500 kcal的热量缺口通常每周可减少约0.5 kg（1磅）脂肪，大多数营养师认为这是安全且可持续的速率。

点击"导出PNG"以10倍放大下载您的作品，输出像素级清晰效果。

将任意数字转换为书面货币文字，用于支票书写和法律文件。

计算月供、总利息及完整还款计划。

根据参与者人数、薪资和会议时长计算会议的真实成本，并配有实时计费计时器。

构建简洁的单页简历，带实时预览和打印为PDF功能——无需账号。

按类别追踪个人支出，设置每月预算，并通过摘要和趋势可视化消费情况。

追踪每月收入和支出，按类别可视化消费，并将预算导出为CSV。

Save, search, and reuse clipboard snippets with timestamps.

Save, pin, search, and re-copy text snippets during your browser session.

Calculate total working days and hours for a contract period.

Generate a custom folder structure and file naming convention for your project.

Create professional invoices instantly — print or save as PDF.

Simple drag-and-drop Kanban board saved in your browser.

Turn Markdown into a full-screen slide presentation

Calculate fuel efficiency in MPG, L/100km, or km/L with cost projections.

Create, edit, and export mind maps on a zoomable canvas.

Advanced Pomodoro timer with configurable sessions, audio chimes, and daily statistics.

Create simple polls with multiple question types and visualize results.

Precision stopwatch with lap tracking and a countdown timer with alarm.

Track time across multiple tasks with start/stop timers and CSV export.

Compare two time zones, see the offset, DST status, and find the best meeting time.

Create and export visual timelines with drag-and-drop events

Create and visualize timelines for projects, history, or events.

Interactive world map showing current time in every timezone.

习惯追踪器

世界时钟

闪卡制作与学习工具

打字速度测试

带单圈计时的秒表

无干扰的笔记应用，带自动保存、搜索和本地存储的颜色标签。

通过渐进式课程提高打字技能——主行键位、顶行键位、单词和自定义文本。

跨城市时间转换 — 轻松安排跨时区会议。

倒计时计时器

使用番茄工作法的专注计时器——25分钟工作周期配5分钟休息，完全可自定义。

基于浏览器的秒表（含圈数记录）和倒计时器——离线运行，无需安装。

智能购物清单，带分类、价格估算和localStorage持久化功能。

Flip and rotate images in your browser — no upload to any server.

Upload an image and visualize its RGB and luminance channel histograms with statistics.

Add text labels to an image and download as PNG.

Add text watermark to any image

Convert raster images to SVG using canvas-based posterization.

Arrange 2–6 photos into a collage and download as PNG.

Simple browser-based photo editor with filters and crop

Convert SVG code or files to PNG images with custom size and background.

Click to sample a background color and remove it with a tolerance slider — outputs a transparent PNG.

在浏览器中压缩 JPG、PNG 和 WebP 图片 — 无需上传。

Real-time audio visualizer using microphone or uploaded audio files

Find your exact age, days until next birthday, zodiac sign, birthstone, and famous birthday twins.

Find your Chinese zodiac sign, element, and Western star sign from your birthday.

Animated countdown timer to any named event.

Generate a simple crossword puzzle from your own words and clues.

Transform text into beautiful Unicode cursive, Fraktur, circled, and other fancy styles for social media.

Turn any text into large emoji art — like ASCII art but made of emojis.

Search and copy emoji by name, browse by category, with skin tone support.

Interactive Mandelbrot and Julia set fractal explorer with pan, zoom, and color palettes.

Classic hangman word guessing game with ASCII art.

Classic card-flip memory matching game with emoji themes, multiple grid sizes, and best-score tracking.

Classic guess-the-number game with hints, optimal binary search analysis, and a reverse mode where the computer guesses your number.

Discover fascinating trivia, math facts, and year history for any number.

Interactive canvas-based optical illusions gallery

Discover interesting random facts across science, history, animals, and more.

Convert Gregorian dates to Roman date notation and Julian Day Numbers.

Solve any Sudoku puzzle instantly or generate a new one to practice.

Play Tic-tac-toe against an unbeatable AI with three difficulty levels.

Unscramble words against the clock or solve any anagram.

Generate printable word search puzzles from your own word list.

Animated real-time world population counter with births, deaths, and milestone tracking.

按性别和风格生成随机全名——普通、经典、奇幻或科幻风格——一键生成。

它显示"0d 0h 0m 0s"并显示祝贺消息。您可以删除它或设置新的目标。

探索200多条名言，按类别筛选，收藏喜爱的内容，并复制到剪贴板。

以年、月、日、时、分精确计算您的年龄。

在交互式棋盘上摆放任意棋局，导出或导入FEN记谱，并高亮显示棋子走法。

像素艺术创作工具

是的。输出使用标准CSS属性，不含厂商前缀，现代浏览器中的Flexbox已不再需要这些前缀。

Encode or decode text using the classic Caesar cipher shift algorithm.

Clean HTML and remove XSS / dangerous code

Store and manage passwords locally in your browser — nothing sent to any server.

Measure password strength in bits of entropy and estimate crack times.

Audit a list of passwords for strength, entropy, common patterns, and get detailed security recommendations for each one.

Generate strong, memorable passphrases from a built-in word list with entropy display.

Generate TOTP 2FA codes from a Base32 secret — no app needed.

粘贴哈希字符串，识别它可能使用的算法。

生成密码学安全的密码，对长度、字符集和数量进行精细控制。

向下滚动查看最长回文子串、逐词结果以及著名示例。

点击计数BPM，或使用支持拍号的精确Web Audio节拍器。

Convert multiple images between PNG, JPEG, and WebP formats in bulk with quality control, optional resizing, and ZIP download — all in your browser.

Extract text from any image using Tesseract.js OCR — 100% client-side.

Generate music scales and chords, visualized on a piano keyboard.

Resize and compress images in the browser using Canvas API — by percentage, exact dimensions, or max dimension — with batch processing and ZIP download.

Real-time musical pitch and note detector using your microphone.

Record your screen or webcam directly in the browser, then download as WebM.

使用Web Audio API生成双耳节拍，配有脑波预设、载波频率控制和示波器可视化。

在浏览器中交互式裁剪、旋转和翻转图像，支持预设宽高比。

使用浏览器内置的语音合成引擎将任意文本转换为语音。

图片元数据查看器

Estimate your body fat percentage using the US Navy formula with a visual gauge and category.

Ishihara-inspired color vision screening with 8 plates — for educational use only.

Convert cooking measurements: cups, tablespoons, ml, oz, grams, and more.

Calculate your ideal body weight using four medical formulas.

Estimate your life expectancy based on lifestyle

HIIT and circuit training timer with custom rounds, work/rest intervals, audio cues, and localStorage workout plans.

根据您的体重、活动水平和气候计算个性化的每日饮水量建议，并附带每小时提醒计划。

通过添加含完整营养数据的配料，构建自定义FDA风格的营养成分标签。

Interactive International Phonetic Alphabet reference with audio, symbol copy, and 100+ common English word pronunciations.

Learn Morse code interactively with flash cards, animations, and progress tracking.

Train to read faster with RSVP — one word at a time.

Flashcard-based study tool for technical interview questions.

Improve touch typing with structured lessons and real-time WPM and accuracy tracking

Interactive unit circle with draggable point, sin/cos/tan display

计算加权GPA、期末成绩，并了解达到目标成绩所需的分数。

Parse chemical formulas and calculate molar mass and percent composition.

Analyze DNA sequences: complement, GC content, transcription, and translation.

将DNA序列翻译为互补DNA、mRNA和蛋白质链，并提供逐密码子分解。

Fun astronomy calculators: planetary weight, travel time, age on other planets, and more.

Solve common physics problems with step-by-step solutions.

Convert between scientific units for energy, pressure, force, power, and frequency.

交互式元素周期表——点击任意元素探索其属性。

Analyze IPv4/IPv6 address technical details

Inspect HTTP response headers and security header status

Calculate data transfer time based on file size and connection speed

Visual network ping simulator with latency graphs

Convert a date/time across up to 5 time zones simultaneously

Scan barcodes and QR codes from an uploaded image or live camera feed.

Convert text to and from Grade 1 Braille Unicode patterns with dot-position diagrams and a full Braille alphabet reference.

Convert text to a visual Morse code image with custom styling

Generate QR codes from text or URLs with custom colors and optional logo overlay

Look up US ZIP code details: city, state, county, coordinates, and a map.

文字

非常大的图片在分析前会缩小以提高性能。算法选取统计上占主导的颜色，这可能与视觉上突出的焦点不同。

根据您的体重和运动时长计算50多项活动消耗的卡路里。

健康

待办事项列表

同时以倒计时或秒表模式运行最多6个独立的命名计时器。

通过颜色编码的可用性网格，找到跨多个时区的最佳会议时间。

生产力

生成五种风格的精美随机抽象艺术，支持可复现的随机种子。

将输入的文字转换为逼真的手写风格图像，可下载为PNG。

使用2d6+1d8+5等标准表示法投掷多面体RPG骰子。

图片调色板提取器

设计

从屏幕上拾取任意颜色，立即以HEX、RGB、HSL和CMYK格式显示。

使用维吉尼亚密码加密和解密文本，并探索经典密码学。

照片滤镜

媒体

开发者

200多个Tailwind CSS v3实用工具类的交互式可搜索参考。

格式化和美化多种语言的代码，支持可配置的缩进。