“PDF”

Build, revise, or manipulate a fixed-layout PDF (report, guide, one-pager, printable document).

Combines several PDF files into one document.

Reference web PDF viewer for opening local files with search, zoom and annotation.

Convert JPG images to PDF.

Convert PDF files to Word documents online.

将多个 PDF 文件合并为一个 PDF。当用户提到 PDF 合并、合并 PDF 文件、PDF 拼接时使用。

按指定页码范围拆分 PDF 文件。当用户提到 PDF 拆分、PDF 分割、PDF 切分、拆 PDF 时使用。

Invoice generator that runs fully in the browser; no sign-up, templates, logo and instant PDF export.

Merge PDFs without a watermark.

Turns pasted or typed text into a multi-page PDF, fully in the browser.

Combine PDFs in a chosen order online.

下载学术论文。支持 DOI、arXiv ID、关键词搜索、批量下载、Sciverse 语义检索/元数据、Elsevier API、WebVPN/CARSI 机构访问、下载失败排障。当用户要求下载论文(单篇或批量)、搜索文献、获取引文、配置 Sciverse/Elsevier API、或下载遇到…

Convert PDF pages into editable Word-ready text from your AI chat, all offline.

Split, merge and compress PDF files locally - private by design, no uploads.

Puts several pictures (JPG, PNG, BMP, TIFF, SVG) into a single PDF document.

Join PDFs and images into one PDF with no watermark or registration.

Trim PDF page margins by cropping.

Add a drawn or typed signature to a PDF without registering.

Convert PDF to Word.

Convert DOC or DOCX to PDF.

Edit PDFs with natural-language instructions using the nano-pdf CLI tool

Use when rendering a Markdown document (English or Korean) such as a proposal, IRB cover letter, handout or reference table to PDF via pandoc and xelatex…

通过自然语言指令编辑 PDF 文件的指定页面。需要 nano-pdf CLI（自动安装）。

当用户明确要求"下载文献全文"或"获取论文PDF"时使用。通过 DOI 号下载学术论文全文 PDF，支持 arXiv、Sci-Hub、Unpaywall、期刊官网等多源策略。⚠️ 不适用：用户只是想解析或处理已有的 PDF 文件（应使用 pdf skill）、只是想搜索论文信息而无需下载全文、没有提供…