PDF Editor
Edit PDF files directly in your browser. Add text, images, signatures, watermarks, page numbers and more. 100% free, no registration needed.
添加水印
向PDF页面添加文本或图像水印。
页眉和页脚
添加headers and footers to PDF pages. Text, page numbers, dates.
贝茨编号
Legal Bates numbering for PDF discovery. Prefix, suffix, start number.
比较PDF
Side-by-side PDF comparison. Highlight differences between versions.
扁平化PDF
Flatten annotations and form fields into static content.
PDF注释
添加annotations to PDFs: highlights, sticky notes, and comments.
PDF灰度
转换PDF to grayscale. 删除color for printing or accessibility.
反转PDF颜色
反转colors in PDF for dark mode or accessibility needs.
PDF叠加
叠加one PDF on top of another. Layer merge for templates.
PDF底层
放置one PDF behind another as background. Template underlay.
表单字段
创建and edit PDF form fields. Text boxes, checkboxes, dropdowns.
填写表单
填写PDF forms in browser. Save filled forms without software.
PDF盖章
添加rubber stamp annotations to PDF. Date, status, approval stamps.
PDF二维码
添加QR codes to PDF pages. Link to URLs, emails, or vCards.
PDF条形码
添加barcodes to PDF pages. Code128, EAN, UPC support.
PDF编辑器专业版
Advanced PDF editor with text editing, image insertion, annotations, and form filling. Edit PDFs like Word documents. Free online, no installation needed.