所有 PDF 工具

合并 PDF 将多个 PDF 合并成一个。 拆分 PDF 将 PDF 拆分为多个文件。 压缩 PDF 尽量无损地缩小 PDF 文件。 PDF 转 Word 将 PDF 转为可编辑的 Word 文档。 Word 转 PDF 将 Word 文件转换为 PDF。 PDF 转 JPG 将 PDF 页面导出为图片。 图片转 PDF 将图片转换为 PDF。 编辑 PDF 添加文字、图片和形状等。 整理 PDF 重新排序、旋转、添加或删除页面。 保护 PDF 为 PDF 添加密码保护。 解锁 PDF 解除已获授权的 PDF 保护。 签署 PDF 在 PDF 上放置签名。 提取 PDF 文本 读取文字并识别扫描页面。 插入页面 重新排序、旋转、添加或删除页面。 旋转 PDF 重新排序、旋转、添加或删除页面。 删除页面 重新排序、旋转、添加或删除页面。 Extract Pages Select and export only the pages you need. Crop PDF Crop page content or apply consistent margins. Resize PDF Pages Change PDF page dimensions. Alternate & Mix PDF Interleave pages from multiple PDFs. N-Up PDF Place multiple PDF pages on one output page. Watermark Add configurable text watermarks across selected pages. Page Numbers Add and position page numbering. Headers & Footers Apply repeated text headers and footers with page variables. Bates Numbering Apply deterministic visible Bates sequences across a page range. Repair PDF Rebuild recoverable PDF structure locally and validate the repaired output. Optimize PDF Lossless web optimization or explicit raster/grayscale compression, processed locally. PDF/A Create a PDF/A-2b archival candidate; independent conformance validation is required. Remove Metadata Inspect and remove document metadata. Security Info Review encryption, permissions and security properties. Find Blank Pages Detect likely blank or near-blank pages locally. Find Duplicate Pages Detect likely duplicate pages with local visual fingerprints. Find Page Numbers Locate likely printed page numbers in the PDF text layer. Size Analyzer Estimate visually heavy pages and document size locally. Compare PDFs Compare two PDFs locally using aligned text, optional OCR and visual page fingerprints. PDF Summarizer Summarize PDF text locally with browser built-in AI when available and an extractive fallback. PDF Translation Translate readable PDF text with the browser Translator API and create a layout-aware translated PDF. PDF to Long Image Stitch PDF pages vertically into one PNG image. PDF to Excel Recover aligned PDF tables into editable XLSX worksheets with local OCR fallback. PDF to PowerPoint Preserve PDF pages as presentation slides with an optional hidden editable OCR-capable text layer. Word to PDF Convert DOCX Word documents into PDF in your browser without uploading the document. Excel to PDF Convert XLSX Excel workbooks into PDF in your browser without uploading the spreadsheet. PowerPoint to PDF Convert PPTX PowerPoint presentations into PDF in your browser without uploading the slides. PDF to Text Extract page-aware text locally from the embedded PDF text layer. PDF to Markdown Export conservative page sections as Markdown without inventing structure. PDF to HTML Create a safe standalone HTML document from extracted PDF text. HTML / Webpage to PDF Convert local or pasted HTML and CORS-accessible public HTTPS webpages into sanitized PDFs locally. Batch Compress Compress multiple PDFs with one shared local optimization preset. Batch Watermark Apply one watermark across multiple PDFs. Batch Rename Rename multiple PDFs with a consistent pattern. Batch Protect Apply AES-256 password protection to multiple PDFs. Batch PDF to Images Render multiple PDFs into JPG page sets in one ZIP. Batch PDF Tools Run compress, watermark, rename, protect or PDF-to-images across one failure-isolated local queue.