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Merge and compare your documents online and share

Pretty Diff tool can minify, beautify (pretty-print), or diff between minified and beautified code. This tool can even beautify and minify React JSX and many other languages.

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PDFmyURL turns Web Pages into PDF with one click. Use our URL / HTML to PDF API in PHP, Java, .NET, Perl, Ruby, Python or JavaScript with our examples!

Convert a web page to word, pdf, text, epub, open office writer. Easily edit webpage content or read webpage on an ebook. Extract text from webpage.

Free online tool to convert web pages to PDFs that can be saved. Without installation. Without registration.

Get Images, Text or Fonts out of a PDF File with this free online service. No installation or registration necessary.

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How long it would take a computer to crack your password?

生成随机密码

Kaspersky Threat Intelligence Portal allows you to scan files, domains, IP addresses, and URLs for threats, malware, viruses

主要提供谷歌学术搜索Google Scholar镜像和谷歌网页搜索镜像的导航站,实时更新最新镜像网站

JSON和JSONP是不同的；JSON是一种数据格式；JSONP是一种跨域交互数据的方法。

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e.ggtimer.com is a simple, online countdown timer or egg timer. Set a time and bookmark it for repeated use. You can also create a timer for a specific date or time. Customize your experience with a variety of timer themes.