PDF转灰度在线 100% 免费

什么是 PDF转灰度 ?

PDF to grayscale 是一个免费的在线工具，可以将 PDF 页面转换为灰度。如果您希望将 pdf 转换为黑白或将 PDF 转换为灰度，那么 PDF 转灰度是您的工具。使用 PDF 转灰度在线工具，您可以快速轻松地将彩色 PDF 页面转换为黑白，从而在打印过程中节省彩色墨水。

如何 PDF转灰度 ?

这个视频会详细展示如何 PDF转灰度.

<div class="text-center align-items-center justify-content-center pt-8"> &#13; This site uses cookies to ensure best user experience. By using the site, you consent to our <a href="/cookies">Cookie, Privacy, Terms</a>&#13; ACCEPT&#13; <ul class="nav nav-sm nav-x-0 mb-5 flex-column"><li class="nav-item"><a class="nav-link text-left " href="/cn/enhance-scanned-pdf" style="font-size:11px;padding:4px 0;">Enhance Scanned PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/contrast-pdf" style="font-size:11px;padding:4px 0;">對比度 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/edit-pdf" style="font-size:11px;padding:4px 0;">編輯 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/crop-pdf" style="font-size:11px;padding:4px 0;">裁剪 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/compress-pdf" style="font-size:11px;padding:4px 0;">压缩PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/pdf-to-grayscale" style="font-size:11px;padding:4px 0;">PDF转灰度</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/invert-pdf-colors" style="font-size:11px;padding:4px 0;">反轉 PDF 顏色</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/pdf-dark-mode" style="font-size:11px;padding:4px 0;">PDF 暗模式</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/rotate-pdf" style="font-size:11px;padding:4px 0;">旋转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/deskew-pdf" style="font-size:11px;padding:4px 0;">糾偏 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/color-pdf" style="font-size:11px;padding:4px 0;">彩色 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/edit-pdf-metadata" style="font-size:11px;padding:4px 0;">编辑 PDF 元数据</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/annotate-pdf" style="font-size:11px;padding:4px 0;">註釋 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/add-page-numbers-to-pdf" style="font-size:11px;padding:4px 0;">将页码添加到 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/resize-pdf" style="font-size:11px;padding:4px 0;">调整 PDF 大小</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/header-footer-pdf" style="font-size:11px;padding:4px 0;">页眉页脚 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/add-margin-to-pdf" style="font-size:11px;padding:4px 0;">将边距添加到 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/repair-pdf" style="font-size:11px;padding:4px 0;">修复PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/pdf-viewer" style="font-size:11px;padding:4px 0;">PDF查看器</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/pdf-fast-web-view" style="font-size:11px;padding:4px 0;">PDF 快速網頁瀏覽</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/reverse-pdf" style="font-size:11px;padding:4px 0;">反轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/decompress-pdf" style="font-size:11px;padding:4px 0;">解壓PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/add-bates-numbers-to-pdf" style="font-size:11px;padding:4px 0;">將貝茨數添加到 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/measure-pdf" style="font-size:11px;padding:4px 0;">測量 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/pdf-to-cmyk" style="font-size:11px;padding:4px 0;">PDF轉CMYK</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/pdf-to-rgb" style="font-size:11px;padding:4px 0;">PDF轉RGB</a></li></ul></div><div class="col-6 col-md-3"><h5 class="text-left mb-3">集会</h5>&#13; <ul class="nav nav-sm nav-x-0 mb-5 flex-column"><li class="nav-item"><a class="nav-link text-left " href="/cn/extract-pages-from-pdf" style="font-size:11px;padding:4px 0;">从 PDF 中提取页面</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/merge-pdf" style="font-size:11px;padding:4px 0;">合并 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/split-pdf" style="font-size:11px;padding:4px 0;">拆分PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/split-pdf-pages-in-half" style="font-size:11px;padding:4px 0;">將 PDF 頁面分成兩半</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/split-pdf-by-bookmarks" style="font-size:11px;padding:4px 0;">按書籤拆分 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/split-pdf-by-size" style="font-size:11px;padding:4px 0;">按大小拆分 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/remove-pages-from-pdf" style="font-size:11px;padding:4px 0;">从 PDF 中删除页面</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/organize-pdf" style="font-size:11px;padding:4px 0;">整理PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/n-up-pdf" style="font-size:11px;padding:4px 0;">N-Up PDF</a></li></ul><h5 class="text-left mb-3">安全</h5>&#13; <ul class="nav nav-sm nav-x-0 mb-5 flex-column"><li class="nav-item"><a class="nav-link text-left " href="/cn/redact-pdf" style="font-size:11px;padding:4px 0;">編輯 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/sign-pdf" style="font-size:11px;padding:4px 0;">簽署 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/watermark-pdf" style="font-size:11px;padding:4px 0;">水印PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/unlock-pdf" style="font-size:11px;padding:4px 0;">解锁PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/protect-pdf" style="font-size:11px;padding:4px 0;">保护 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/flatten-pdf" style="font-size:11px;padding:4px 0;">拼合 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/compare-pdf" style="font-size:11px;padding:4px 0;">比較 PDF</a></li></ul></div><div class="col-6 col-md-3"><h5 class="text-left mb-3">从 PDF 转换</h5>&#13; 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<ul class="nav nav-sm nav-x-0 mb-5 flex-column"><li class="nav-item"><a class="nav-link text-left " href="/cn/source-code-to-pdf" style="font-size:11px;padding:4px 0;">源代碼轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/images-to-pdf" style="font-size:11px;padding:4px 0;">圖像轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/url-to-pdf" style="font-size:11px;padding:4px 0;">转为 PDF 的网址</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/latex-to-pdf" style="font-size:11px;padding:4px 0;">乳膠到 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/table-to-pdf" style="font-size:11px;padding:4px 0;">表格轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/epub-to-pdf" style="font-size:11px;padding:4px 0;">EPUB 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/ebook-to-pdf" style="font-size:11px;padding:4px 0;">eBook 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/jpg-to-pdf" style="font-size:11px;padding:4px 0;">JPG 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/png-to-pdf" style="font-size:11px;padding:4px 0;">PNG 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/tiff-to-pdf" style="font-size:11px;padding:4px 0;">TIFF 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/text-to-pdf" style="font-size:11px;padding:4px 0;">文本到 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/html-to-pdf" style="font-size:11px;padding:4px 0;">HTML 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/word-to-pdf" style="font-size:11px;padding:4px 0;">Word 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/powerpoint-to-pdf" style="font-size:11px;padding:4px 0;">PowerPoint 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/excel-to-pdf" style="font-size:11px;padding:4px 0;">Excel转PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/csv-to-pdf" style="font-size:11px;padding:4px 0;">CSV 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/xml-to-pdf" style="font-size:11px;padding:4px 0;">XML 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/json-to-pdf" style="font-size:11px;padding:4px 0;">JSON轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/cad-to-pdf" style="font-size:11px;padding:4px 0;">CAD轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/dwg-to-pdf" style="font-size:11px;padding:4px 0;">DWG 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/dxf-to-pdf" style="font-size:11px;padding:4px 0;">DXF 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/svg-to-pdf" style="font-size:11px;padding:4px 0;">SVG 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/gif-to-pdf" style="font-size:11px;padding:4px 0;">GIF轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/webp-to-pdf" style="font-size:11px;padding:4px 0;">WEBP轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/bmp-to-pdf" style="font-size:11px;padding:4px 0;">BMP 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/ps-to-pdf" style="font-size:11px;padding:4px 0;">PS轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/eps-to-pdf" style="font-size:11px;padding:4px 0;">EPS轉PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/dicom-to-pdf" style="font-size:11px;padding:4px 0;">DICOM 轉 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/azw3-to-pdf" style="font-size:11px;padding:4px 0;">AZW3 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/mobi-to-pdf" style="font-size:11px;padding:4px 0;">MOBI 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/djvu-to-pdf" style="font-size:11px;padding:4px 0;">DJVU 转 PDF</a></li><li class="nav-item"><a class="nav-link text-left " href="/cn/convert-to-pdf" style="font-size:11px;padding:4px 0;">转换为 PDF</a></li></ul></div></div>&#13;