帮助你更高效工作的工具

在线验证并预览 HTML。

在线验证并格式化 JSON。

在线验证并格式化 XML。

在线验证并格式化 PHP。

测试正则表达式匹配与替换。

审核网站的页面 SEO 问题并提供修复方向。

估算页面排名得分并帮助确定优化优先级。

Check Alexa Rank availability for a website and discover current ranking alternatives.

检查网页中的关键词位置与密度。

Check whether a source page or HTML contains backlinks to your target URL.

Generate title, description, Open Graph, Twitter, and canonical meta tags.

Generate XML sitemap markup from a list of URLs.

Run a basic speed and header audit for a website URL.

并排比较文本、代码和脚本的逐行差异。

为多种语言的代码和标记内容进行格式化美化。

Minify HTML, CSS, or JavaScript by reducing common comments and whitespace.

发送 HTTP 请求并检查 API 响应。

对 Base64 文本进行编码和解码。

对 URL 安全文本进行编码和解码。

Count words, characters, paragraphs, sentences, and reading time.

Check text for common grammar, punctuation, spacing, and capitalization issues.

Create a quick alternate rewrite of text with local paraphrasing patterns.

Summarize long text into the most relevant sentences.

Convert text to uppercase, lowercase, title case, snake case, kebab case, and more.

根据文本或文件生成 MD5 哈希。

根据文本或文件生成 SHA256 哈希。

生成并验证 BCrypt 密码哈希。

对 JWT 令牌进行编码和解码。

显示数据包到达目标主机所需的时间。

查询域名的 DNS 记录。

查看域名或 IP 的 WHOIS 联系信息。

测试 TCP 端口是否开放。

通过 IP 地址获取主机名。

Show the IP address, version, and forwarding headers seen by our server.

检测可能存在的代理使用迹象。

估算你从本站服务器的下载速度。

测量你与本站服务器之间的延迟和下载速度。

根据网络掩码计算子网范围。

根据主机范围计算网络掩码。

根据 IP 或主机名识别所在国家。

将数值从一种单位转换为另一种单位。

Calculate EMI, total interest, total payment, and amortization schedule.

Calculate inclusive and exclusive GST or tax values.

Calculate BMI, category, and healthy weight range.

Convert between common currencies with live exchange rates.

在全球时区之间转换日期和时间。

计算日期时间差，并支持时长加减。

Calculate straight-line distance between two coordinate points.

计算准确年龄、已生活总天数以及下次生日信息。

Measure typing speed, accuracy, and consistency with timed passages.

Pick a web color and convert it into HEX, RGB, and HSL values instantly.

Upload an image, click any point, and extract HEX, RGB, HSL, and CSS color values.

Compress images in the browser by resizing and re-encoding them.

Convert images between PNG, JPG, GIF, WEBP, BMP, and AVIF with preview and download.

Convert one or more images into a PDF directly in the browser.

Remove simple image backgrounds in the browser and download a transparent PNG.

Annotate screenshots with drawing, rectangles, and text, then download the result.

根据项目范围估算网站项目预算和周期。

Create a printable invoice with business details, items, tax, and totals.

Estimate future value and returns for a lump-sum investment.

Calculate SIP maturity value, invested amount, and projected gains.

Check current weather and a quick forecast by city.

Search nearby businesses by keyword and location.

Upload a resume or paste its text to score structure, ATS signals, and improvement areas.

Upload or paste a resume to rebuild it into an industry-standard ATS-friendly format.