PDF Toolkit — Fast, Private PDF Tools
Free online PDF tools — merge, split, compress, convert, edit & secure PDFs in your browser
热门 PDF 工具
一键直达最常用的 PDF 处理工具 — 全部在浏览器本地完成
Compress PDFReduce PDF file size without losing quality — optimal for email and web.
JPG to PDFConvert JPG images to PDF — single or multiple images, A4 fit, adjustable quality.
Merge PDFCombine multiple PDFs into one document — reorder files, merge in browser, 100% private.
PDF to JPGConvert PDF pages to JPG images — high-quality export, selectable pages and DPI.
Add Image to PDFInsert images into PDF pages — position, resize and rotate.
Add Link to PDFAdd clickable hyperlink to PDF pages — URL annotation.
Add Page Numbers to PDFAdd page numbers to PDF — customize position, font, size, margins and start number.
Add Signature to PDFAdd typed signature to PDF — positioned text.
PDF 整理
合并、拆分、删除、重排与整理 PDF
Compare PDFCompare two PDFs side-by-side and highlight differences.
Delete PDF PagesRemove unwanted pages from PDF — delete specific pages or ranges instantly.
Duplicate PDF PagesDuplicate specific pages within a PDF — repeat pages instantly.
Extract PDF PagesExtract selected pages to a new PDF — create a new file from page ranges.
Insert Pages into PDFInsert pages from one PDF into another at any position.
Merge PDFCombine multiple PDFs into one document — reorder files, merge in browser, 100% private.
Mix PDFInterleave pages from two PDFs — alternate pages or custom pattern.
Organize PDFReorder, rotate, delete and arrange PDF pages visually — drag & drop page manager.
Reorder PDF PagesReorder PDF pages via new order list — preview and save locally.
Repair PDFRepair corrupted or damaged PDF files and recover pages.
Reverse PDF PagesReverse page order of a PDF — last page becomes first.
Split PDFSplit PDF into multiple files by page ranges, extract single pages or divide evenly.
Split PDF by SizeSplit PDF into chunks by file size — for email limits.
PDF 转换
PDF 与 Word / Excel / PPT / 图片互转
CSV to PDFConvert CSV table to PDF — auto pagination, grid styling, A4 fit.
DOCX to PDFConvert Word DOCX to PDF — preserve formatting, fonts and images.
Excel to PDFConvert Excel to PDF — XSL / XLSX supported.
Extract Text from PDFExtract text from PDF — select pages, copy or download as TXT.
HTML to PDFConvert HTML to PDF — web pages, code and rich text to PDF.
Markdown to PDFConvert Markdown to styled PDF — headings, lists, code blocks.
ODP to PDFConvert ODP presentations to PDF — slide placeholder conversion.
ODS to PDFConvert ODS spreadsheets to PDF — placeholder conversion locally.
ODT to PDFConvert ODT documents to PDF — text extraction + styled PDF generation.
PDF to BMPConvert PDF pages to BMP images — lossless export, per-page download.
PDF to CSVExtract tables from PDF to CSV for Excel and databases.
PDF to DOCXConvert PDF to DOCX Word document — editable, preserve layout.
PDF to ExcelExtract tables from PDF to Excel (XLSX) — ideal for invoices and reports.
PDF to HTMLConvert PDF to HTML with preserved text and layout for web.
PDF to JPGConvert PDF pages to JPG images — high-quality export, selectable pages and DPI.
PDF to MarkdownExtract PDF text and export as Markdown — headings, paragraphs preserved.
PDF to PDF/AConvert PDF to archival PDF/A format — embed fonts, ensure compliance.
PDF to PNGConvert PDF to PNG with transparent background support and lossless quality.
PDF to PowerPointConvert PDF to PowerPoint (PPTX) — each page becomes a slide with images/text.
PDF to PPTXConvert PDF to PPTX presentation — slides from pages.
PDF to TextExtract text from PDF to plain text file.
PDF to TIFFConvert PDF pages to TIFF images — high-resolution rendering, download as ZIP.
PDF to WebPConvert PDF pages to WebP images — modern, lightweight format.
PDF to WordConvert PDF to editable Word (DOCX) — extract text, preserve paragraphs and layout.
PDF to XLSXConvert PDF tables to XLSX spreadsheet — accurate cell extraction.
PowerPoint to PDFConvert PowerPoint to PDF — PPTX/PPT supported.
PowerPoint to PDFConvert PowerPoint PPTX to PDF — slides to PDF pages.
RTF to PDFConvert RTF rich text to PDF — preserve formatting, local conversion.
TXT to PDFConvert plain text to PDF — preserve line breaks, A4 output.
Word to PDFConvert Word (DOCX, TXT, MD, HTML) to PDF — preserve formatting, ready to share.
Excel to PDFConvert Excel XLSX to PDF — tables, charts and sheets to print-ready PDF.
PDF 编辑
旋转、裁剪、加页码、水印与页面编辑
Add Image to PDFInsert images into PDF pages — position, resize and rotate.
Add Link to PDFAdd clickable hyperlink to PDF pages — URL annotation.
Add Page Numbers to PDFAdd page numbers to PDF — customize position, font, size, margins and start number.
Add Text to PDFAdd custom text to any PDF page — choose position, font size and color, local processing.
Batch WatermarkAdd watermark to multiple PDFs at once — batch process.
Crop PDFCrop PDF pages to remove margins or focus on content — set custom crop box.
Draw on PDFFreehand draw on PDF pages — demo circle and text.
Edit PDFEdit PDF text overlay — add, replace text layers on pages, 100% in-browser.
Fill PDF FormFill PDF form fields — inspect fields and save.
Flatten PDFFlatten PDF forms and annotations into static content for sharing.
Highlight PDFHighlight text areas in PDF — draw translucent highlights on pages.
Image Watermark PDFAdd image watermark to PDF pages — position, scale and opacity control.
Add Header & Footer to PDFAdd custom header and footer text to every page — dates, titles, logos.
Remove PDF WatermarkRemove watermark overlay by re-saving — best-effort.
Resize PDFResize PDF pages to A4, Letter, custom size — scale content to fit.
Rotate PDFRotate PDF pages 90°, 180° or 270° — fix orientation or rotate selected pages.
Strikethrough PDFAdd strikethrough to PDF text regions — red line overlay.
Text Watermark PDFAdd diagonal text watermark to every page — custom opacity, rotation, color.
Underline PDFUnderline text regions in PDF — line overlay per page.
Watermark PDFAdd text or image watermark to PDF — customize opacity, position, rotation and scale.
Whiteout PDFWhiteout rectangular areas in PDF — cover sensitive content.
PDF 安全
加密、解密、保护与权限设置
Decrypt PDFDecrypt encrypted PDF with password — remove restrictions.
Encrypt PDFEncrypt PDF with AES — set permissions for print/copy/modify.
Password Protect PDFAdd password protection to PDF — set user password locally.
Protect PDFEncrypt PDF with password — set owner & user passwords, restrict printing/copying.
Redact PDFRedact sensitive text in PDF — black out and remove content permanently.
Remove PDF PasswordRemove password and restrictions from PDF instantly.
Remove PDF RestrictionsRemove printing/copying restrictions — local re-save.
Unlock PDFRemove password from protected PDF — decrypt with correct password in browser.
PDF 压缩优化
压缩与优化 PDF 体积
图像 PDF
图片转 PDF 与 PDF 提取图片
BMP to PDFConvert BMP images to PDF — lossless, batch.
Compress ImageCompress JPG/PNG/WebP images — quality vs size slider, batch support.
Convert ImageConvert images between JPG PNG WebP BMP — choose format and quality.
Crop ImageCrop images with visual preview — aspect presets, drag to adjust.
Extract Images from PDFExtract all images from PDF — download as ZIP or individual files.
HEIC to PDFConvert HEIC (iPhone) images to PDF — auto conversion.
Images to PDFConvert multiple images to single PDF — batch.
JPEG to PDFConvert JPEG images to PDF — batch, A4 fit, quality control.
JPG to PDFConvert JPG images to PDF — single or multiple images, A4 fit, adjustable quality.
PNG to PDFConvert PNG to PDF — handle transparency, lossless, multiple images supported.
Resize ImageResize images to custom dimensions — preserve aspect, batch export.
SVG to PDFConvert SVG vectors to PDF — scalable graphics to print-ready document.
TIFF to PDFConvert TIFF images to PDF — lossless, multi-page support.
Watermark ImageAdd watermark to images — text overlay, opacity.
PDF 签名
签名、填表与数字签名
OCR 识别
OCR 文字识别与可搜索 PDF
Image to TextExtract text from images — accurate OCR in browser.
OCR ImageOCR images to text — JPG, PNG to editable text with multi-language.
OCR PDFOCR PDF to searchable text — recognize scanned documents with Tesseract.
OCR PDF to TextOCR scanned PDF to plain text — extraction fallback.
Scanned PDF to ExcelConvert scanned PDF tables to Excel — XLSX output.
Scanned PDF to WordConvert scanned PDF to editable Word via OCR — DOCX output.
Searchable PDFMake scanned PDF searchable — embedded text extraction + OCR ready.
如何使用
无需安装，浏览器内完成 — 三步搞定任何 PDF 任务
1
上传文件
拖拽或选择 PDF / 图片，文件绝不离开你的设备
2
一键处理
合并、压缩、转换、加密……即时在浏览器内完成
3
下载结果
下载处理后的文件，支持批量与高质量输出
隐私优先
所有处理在本地完成，我们永远看不到你的文件
极速处理
基于 pdf-lib 与 WebAssembly，媲美桌面应用的速度
精准保真
保留字体、矢量与图片，输出无损
永久免费
核心功能完全免费，无需注册
我的文件会被上传到服务器吗？
不会。所有 PDF 处理都在你的浏览器内完成，文件不会离开设备，关闭页面即清除。
支持哪些文件格式？
支持 PDF 与 Word / Excel / PPT / JPG / PNG / SVG / HTML / TXT 等互转，以及 PDF 的合并、拆分、压缩、加密等。
是否支持批量处理？
多数工具支持批量文件与多页 PDF，合并、转换等场景可一次处理多个文件。