NPV & IRR Calculator Evaluate an investment opportunity the way finance professionals do. This calculator turns a stream of yearly cash flows into the four numbers that matter most for any capital-budgeting decision: Net Present Value (NPV), Internal Rate of Return (IRR), Modified IRR (MIRR), and the Profitability Index. It also reports the simple and ...
试用该工具 »CSS Custom Property Extractor Paste any CSS or SCSS stylesheet and instantly get a clean, sorted, deduplicated list of every --custom-property declared in it — along with the selector scope it was declared in. The extractor also surfaces variables that are referenced via var(--name) but never declared anywhere, which are a common cause of broken ...
试用该工具 »Image to ASCII Art Converter Turn any photo, screenshot or logo into ASCII art directly in your browser. Upload an image and the converter samples each region of pixels, maps the brightness to a character of matching density and assembles the result into monospaced text you can paste anywhere — chat windows, code comments, terminals, ...
试用该工具 »tsconfig.json Generator Build a valid tsconfig.json for TypeScript projects without memorising option names or hunting through release notes for what changed in the latest compiler. Pick a preset (Node ESM, Node CommonJS, React, Next.js, Library, or Strictest), tweak the strictness toggles, add any path aliases, and copy the generated JSON into the root of your ...
试用该工具 »Textile & Yarn Converter Cross-reference knitting needle sizes, crochet hook sizes, and yarn weight categories across US, UK/Canada, metric, and Japanese standards in one place. Useful when a pattern from one country lists a needle or yarn name that does not match what is printed on your local supplies. How to Use Pick a category ...
试用该工具 »Maze Generator (SVG) Generate random perfect mazes as crisp, scalable SVG images directly in your browser. Pick a classic carving algorithm, set the grid size, optionally fix a seed for reproducible output, and download the result as SVG or PNG. Every maze is built from real graph theory — not a stock template — so ...
试用该工具 »Network Speed Unit Converter Instantly convert between every common network and data transfer rate unit – bps, Kbps, Mbps, Gbps, Tbps, B/s, KB/s, MB/s, GB/s, TB/s, plus the binary IEC units like KiB/s and MiB/s. Type a value into any field and every other field updates live, so you never have to guess whether a ...
试用该工具 »JavaScript Code Formatter Paste minified, messy, or compressed JavaScript and get back a clean, consistently formatted version you can actually read. The formatter is token-aware — it understands string literals, template literals, regular expressions, and comments, so it never accidentally reformats the inside of a regex or rearranges your ${...} interpolations. Everything runs in your ...
试用该工具 »Pregnancy Due Date Calculator Estimate your baby’s due date instantly from your last menstrual period, conception date, or IVF transfer date. Get your current gestational age, trimester, progress toward 40 weeks, and a complete timeline of key prenatal milestones and appointment windows — all calculated in your browser with no data sent to a server. ...
试用该工具 »ICS Calendar Event Generator Build a standards-compliant .ics calendar file in seconds, then download it or copy the raw iCalendar text. Fill in the event details, choose a timezone and an optional repeat rule, add a reminder, and you get a clean RFC 5545 file that imports cleanly into Apple Calendar, Google Calendar, Outlook, Fastmail, ...
试用该工具 »Stack Trace Formatter & Parser Paste a raw stack trace from JavaScript, Python, Java, Ruby, Go, .NET, or PHP and instantly get a colour-coded, frame-by-frame breakdown. The tool auto-detects the language, separates your code from framework noise, and produces a clean Markdown block that you can drop straight into a bug report or pull request. ...
试用该工具 »Macronutrient Calculator Turn a daily calorie goal into precise gram targets for protein, carbohydrates, and fat — split exactly the way you eat. Pick a preset diet (balanced, high protein, keto, endurance, zone) or drag the sliders to a custom split, then choose how many meals you eat per day. The calculator instantly returns grams ...
试用该工具 »Calculate the total floor area, the exact number of tiles, and the boxes to buy for any rectangular or L-shape room - with grout gap, wastage allowance, and metric / imperial units.
试用该工具 »模拟HTTP响应生成器 构造一个结构正确的HTTP响应消息，耗时仅几秒钟。选择一个状态码，选择一个响应体类型，添加头信息，工具将生成一个可直接复制的响应字符串，包含状态行、头信息和体，各部分之间以CRLF分隔——非常适合用于测试固定数据、集成模拟、API文档以及在客户端上回放响应。...
试用该工具 »二维码阅读器/解码器 可直接在浏览器中解码任何二维码图片。将截图、照片或保存的图片拖入上传区域，工具将返回嵌入的文本、网址、Wi-Fi凭证、联系卡或其他内容——即时完成，且无需将图片发送到任何地方。使用方法 点击上传区域并...
试用该工具 »Molar Mass Calculator Type a chemical formula and get the exact molar mass in g/mol, a per-element breakdown, and the mass percentage of each element. Atomic weights use IUPAC 2021 standard values so results are reliable for laboratory and coursework use. Parentheses, polyatomic groups, and hydrate notation (CuSO4·5H2O) are fully supported. How to Use Enter ...
试用该工具 »Docker Compose YAML 格式化工具 粘贴一个 docker-compose.yml 文件，立即获得一个整洁、格式一致的文件，服务、网络和卷的顺序符合Docker Compose的规范要求。该格式化工具会根据现代Compose规范验证文件内容，标记过时的字段（如旧版的顶层version字段或遗留的links字段），并警告未知的服务选项...
试用该工具 »Dart代码格式化工具 粘贴您的Dart或Flutter源码，立即获得一个符合dart format所强制规范的整洁版本。该格式化工具完全在浏览器中运行——无需安装SDK，无需上传，也无需等待远程服务器。它是一个快速、确定性的辅助工具，适用于所有需要格式化的情况...
试用该工具 »One-Rep Max (1RM) Calculator Estimate your one-rep max from any working set without ever loading a maximal attempt. Plug in the weight you lifted and the number of clean reps to failure, and the calculator returns five validated 1RM estimates (Epley, Brzycki, Lombardi, O’Conner, Wathan), the average across formulas, a percentage-of-1RM rep chart, and a ...
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