文件工具

CloudConvert

File Converter - Convert 2000+ different audio, image, video, e-book, document, and archive conversions online. No software to install and free.

颜色代码转换器可以将颜色代码在十六进制、RGB、HSV、HSL进行转换

Convert your PNG or JPG 2D image or logo into 3D STL mesh/model files for 3D printing or loading into a 3D editing package using our free online tool.

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Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free.

The best free online video converter & editor. Cut, compress, trim and improve the quality of your video.

Process PDF files with PDF Candy - a free online PDF toolkit. Edit PDF, convert PDF to Word, PDF to JPG, merge and split PDF, compress PDF, etc.

Compress any files online and for free! This compressor will help you to quickly compress PDF, JPG, PNG, GIF, WEBP, SVG, and Video files without loss of quality.

With this ePub to Kindle converter you can convert ePub documents to AZW3 files for your Kindle device.

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Edit your PDF file online and for free with this high quality converter or compress, merge, split, rotate, sort or protect your PDF documents.

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PDFdo提供全套的PDF转换操作，一站式服务，在线转换PDF永久免费，可是实现各种PDF解密去除限制、各种PDF转换、PDF旋转页面、PDF删除页面、提取PDF页面、PDF拼接页面、PDF删除文字、PDF替换文字、PDF添加水印等功能。

Compress MP4, MOV, MP3, PDF, PNG, JPG, JPEG, GIF files online for free. Reduce file size of videos, PDF documents, MP3 audio files and images. Free online file compression tool lets you compress large files to make them smaller. No registration, no watermarks, free to use for anyone.

优化你的 PNG, JPG 图像。可显著减少文件大小 (最多 90%)，同时保持高精度画质。

Convert WebP images to PNG online. This simple converter will help you quickly convert images from .webp to .png format without losing quality.

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iLovePDF is an online service to work with PDF files completely free and easy to use. Merge PDF, split PDF, compress PDF, office to PDF, PDF to JPG and more!

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The best tool to reduce the file size of your files. Free online file compression.

Our file converter will help you to convert any files: documents, images, audio, and video formats for free. ✅ No installation is required for our online converter.

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