你需要的所有 PDF 工具
免费、安全，完全在浏览器中运行。文件永远不会离开你的设备。
Edit & Annotate
(16)PDF Editor
Edit PDF content directly
Edit Bookmarks
Add or edit PDF bookmarks
Table of Contents
Generate table of contents
Page Numbers
Add page numbers to PDF
Add Watermark
Add text or image watermark
Header & Footer
Add headers and footers
Invert Colors
Invert PDF colors
Background Color
Change background color
Change Text Color
Modify text color in PDF
Sign PDF
Add signature to PDF
Add Stamps
Add stamps to PDF pages
Remove Annotations
Remove all annotations
Crop PDF
Crop PDF pages
PDF Form Filler
Fill PDF forms
Create PDF Form
Create fillable PDF forms
Remove Blank Pages
Remove blank pages from PDF
Convert to PDF
(10)Convert from PDF
(7)Organize & Manage
(22)OCR PDF
Extract text from scanned PDF
Merge PDF
Combine multiple PDFs into one
Alternate & Mix
Merge PDFs alternately
Duplicate & Organize
Organize and duplicate pages
Add Attachments
Add files to PDF
Extract Attachments
Extract embedded files
Edit Attachments
Manage PDF attachments
PDF Multi Tool
Multiple PDF operations
Split PDF
Split PDF into multiple files
Divide Pages
Divide pages into sections
Extract Pages
Extract specific pages
Delete Pages
Remove pages from PDF
Add Blank Page
Insert blank pages
Reverse Pages
Reverse page order
Rotate PDF
Rotate PDF pages
N-Up PDF
Multiple pages per sheet
Combine to Single Page
Combine all pages into one
View Metadata
View PDF metadata
Edit Metadata
Edit PDF metadata
PDFs to ZIP
Compress PDFs to ZIP
Compare PDFs
Compare two PDF files
Posterize PDF
Create poster from PDF
Optimize & Repair
(6)100% 安全
所有处理都在浏览器中完成，文件永不上传。
闪电般快速
无需上传下载，即时处理文件。
完全免费
无需注册，无限制，无水印。