All PDF and image tools
Free tools for your documents and photos. Everything runs in your browser, so your files never leave your device.
扫描工具
PDF 工具
合并 PDF Combine several PDF files into one document. Drag them into the order you want. 拆分 PDF Split a PDF into separate files by page ranges, every N pages or one file per page. 压缩 PDF Make a PDF smaller by compressing its pictures. Text, links and layout stay the same. PDF 转 JPG Turn the pages of a PDF into JPG or PNG images. JPG 转 PDF Combine JPG, PNG and other images into one PDF, with one image on each page. Word 转 PDF Turn a Word document (.docx) into a PDF, right in your browser. 整理 PDF Reorder, rotate, delete or add pages of a PDF. 删除页面 Delete the pages you do not need from a PDF. 提取页面 Pull selected pages out of a PDF into a new file. 旋转 PDF Rotate all or selected pages of a PDF. 裁剪 PDF Trim the margins of PDF pages or keep only the area you select. 添加页码 Add page numbers to a PDF: choose the position, style and starting number. PDF 水印 Stamp text or an image across your PDF pages. 签署 PDF Draw, type or upload your signature and place it on a PDF. 编辑 PDF Add text, images, shapes, highlights, drawings and signatures to a PDF, or click existing text or a picture to change it. 涂黑 PDF Permanently black out sensitive text or images in a PDF. 保护 PDF Lock a PDF with a password so that only people who know it can open the file. 解锁 PDF Remove the password and restrictions from a PDF you are allowed to open. PDF 转文本 Extract the text of a PDF into a plain text file.
图片工具
压缩图片 Shrink JPG, PNG and WebP images and keep them looking sharp. 调整图片大小 Change the size of your images by pixels or by percent and pick the output format. 裁剪图片 Crop an image with a visual editor or exact pixel values. 转换为 JPG Turn PNG, WebP, GIF, BMP, AVIF and SVG images into JPG pictures. 从 JPG 转换 Convert JPG and other images to PNG, WebP, GIF or BMP, or make an animated GIF from several pictures. 旋转图片 Rotate and flip your images, one by one or all at once. 照片编辑器 Adjust colors, apply filters, rotate and crop, then add text, stickers, a frame or a drawing. 图片水印 Add a text or logo watermark to one or many images at once. 表情包生成器 Add classic top and bottom captions to your own picture, or to a plain color. 模糊人脸 Hide faces, license plates and other private details by blurring, pixelating or covering them. 放大图片 Enlarge images 2x, 3x or 4x with smooth resampling and optional sharpening. No AI, no upload. 移除背景 Make a plain background transparent by color. No AI: it works best on even backgrounds.