处理 PDF 所需的一切工具，集中一处
处理 PDF 所需的全部工具，触手可及。100% 免费、易于使用！只需几次点击即可合并、拆分、压缩、转换、旋转、解锁和添加水印。
Merge PDF
Combine PDFs in the order you want with the easiest PDF merger.
Split PDF
Separate one page or a whole set for easy conversion.
Compress PDF
Reduce file size while optimizing for maximal quality.
Rotate PDF
Rotate your PDFs the way you need them. Multiple at once.
Delete Pages
Remove unwanted pages from your PDF file easily.
Organize PDF
Sort pages however you like. Delete or add pages.
Extract Pages
Pull selected pages into a new PDF file instantly.
Crop PDF
Trim margins or select specific areas to keep.
Repair PDF
Recover damaged or corrupt PDFs. Fix files that won't open.
OCR PDF
Convert scanned PDFs into searchable selectable documents.
JPG to PDF
Convert JPG images to PDF in seconds.
Word to PDF
Make DOC and DOCX files easy to read as PDF.
PowerPoint to PDF
Make PPT slideshows easy to view.
Excel to PDF
Make EXCEL spreadsheets easy to read.
HTML to PDF
Convert webpages to PDF. Paste URL and convert.
TXT to PDF
Convert plain text files into formatted PDFs.
RTF to PDF
Turn rich text documents into universal PDF.
ODT to PDF
Convert OpenDocument format to PDF easily.
Scan to PDF
Capture scans from your mobile, send to browser.
PDF to Word
Convert PDFs to editable DOC/DOCX. Almost 100% accurate.
PDF to Excel
Pull data from PDFs into Excel spreadsheets.
PDF to PowerPoint
Turn PDFs into editable PPT slideshows.
PDF to JPG
Convert each page to JPG or extract all images.
PDF to PDF/A
Transform PDFs to ISO-standardized PDF/A format.
Edit PDF
Add text, images, shapes or annotations.
Add Page Numbers
Insert page numbers with custom position.
Watermark PDF
Stamp image or text over your PDF.
Form Filler
Detect and fill form fields automatically.
Flatten PDF
Flatten form fields and annotations into static content.
Annotate PDF
Highlight, comment, and draw on PDFs.
Sign PDF
Sign yourself or request electronic signatures.
Unlock PDF
Remove PDF password security.
Protect PDF
Encrypt PDFs with a password.
Redact PDF
Permanently remove sensitive text and graphics.
Compare PDF
Side-by-side comparison to spot changes.
Chat with PDF
Ask questions and get grounded answers.
New!Summarize PDF
Get bullet points or TL;DR in seconds.
New!Translate PDF
50+ languages, layout preserved.
New!TIFF to PDF
Convert TIFF images to PDF in seconds.
New!XPS to PDF
Convert Microsoft XPS documents to PDF.
New!HEIC to PDF
Convert iPhone HEIC photos to PDF.
New!PNG to PDF
Convert PNG images to PDF with transparency support.
New!PDF to PNG
Convert PDF pages to PNG images.
New!PDF to Text
Extract text from PDF to plain .txt file.
New!PDF Reader
Read PDF files in your browser, no upload.
New!EPUB to PDF
Convert EPUB ebooks to PDF.
New!Markdown to PDF
Convert Markdown to formatted PDF in your browser. GFM supported.
New!CSV to PDF
Convert CSV files to formatted PDF tables in your browser.
New!PDF QR Generator
Generate QR codes & embed them into PDFs in your browser.
New!按你的方式工作
在网页、桌面、移动端使用 imisspdf，或将其接入你的企业技术栈。
使用桌面端离线工作
Mac 与 Windows 原生应用。完全在本地处理敏感文件——不上传任何内容。
使用移动端随时随地
iOS 与 Android 应用，随时随地扫描、签名、合并；与网页无缝同步。
为企业打造
共享工作区、基于角色的权限、SSO、审计日志，以及面向整个团队的无限任务。