WhiskFile 编辑工具：向 PDF 中添加文本、图像、签名和批注。
向任何 PDF 添加文本、图像和注释
填写 PDF 表单、添加签名、涂白遮盖内容 — 全部在浏览器中完成
为任何 PDF 添加交互式表单字段
删除 PDF 中的所有批注、高亮和标记
裁剪 PDF 页面边距和边框
编辑 PDF 标题、作者、关键词、XMP 属性 — 隐私扫描仪、批量支持、导出为 JSON
无损水平、垂直或双向镜像翻转 PDF 页面 — 支持页面选择、缩略图和前后对比预览
向 PDF 页面添加自定义页眉、页脚、页码和贝茨编号，支持实时预览
添加页码，支持自定义位置、格式、不透明度、背景高亮和对页模式
为法律 PDF 添加贝茨编号、证据标签和保密声明，支持拖动排序的批量处理
添加带颜色、样式、层级和目标类型可点击的书签 — 支持从 JSON、CSV 导入或粘贴目录
Convert typed PDF text into realistic handwritten notes with 8 font styles, ink colors, paper backgrounds, and per-character randomization
AI-powered contract analysis — extract key terms, dates, obligations, and risk flags
Create professional online forms with drag-and-drop — hosted, embeddable, with submissions dashboard
You can sign a PDF document online without printing, scanning, or installing software. The process takes under a minute:…
Students deal with PDFs constantly: lecture slides, scanned readings, assignment submissions, financial aid forms. The b…
Legal work generates more PDFs than almost any other profession — contracts, filings, discovery documents, deeds, and co…
Editing a PDF is one of the most common document tasks — and one of the most misunderstood. PDF editing covers several d…
Unlocking a PDF removes its password protection, allowing you to edit, print, copy text, and annotate the document freel…
Adding page numbers to a PDF places sequential numbers on each page — typically in the header or footer. This is essenti…
