博客
处理 PDF 文件的指南和技巧。
How to Resize a PDF: Change Page Size or Make the File Smaller
Resizing a PDF can mean two things: changing the page size (A4, Letter, Legal) or shrinking the file. Here is how to do both, which fit option to pick, and the mistakes that make text blurry.
2026年10月23日 · 阅读约 5 分钟
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How to Extract Images from a PDF at Full Quality (Free, 5 Ways)
Save every photo, logo and picture from a PDF at the resolution it was stored in, free and without uploading. Five methods compared, JPG or PNG, and what to do when a chart or a scanned page will not come out as an image.
2026年10月21日 · 阅读约 5 分钟
How to Convert TIFF to PDF (Multi-Page, Fax and Scanned Files)
Convert TIF and TIFF files to PDF without losing pages or quality. Free steps in your browser, on Windows and on Mac, what LZW and CCITT G4 mean for file size, and how to make the scan searchable afterwards.
2026年10月21日 · 阅读约 5 分钟
How to Convert Markdown to PDF: 4 Ways, With Tables and Images
Turn a .md file or README into a clean PDF with real tables, code blocks and images. Four ways compared (online, VS Code, Pandoc, browser print), plus fixes for missing images, wide tables and page breaks.
2026年10月21日 · 阅读约 6 分钟
How to Convert PDF to XLS or XLSX for Free (Excel, Mac, Sheets)
Most people who search for PDF to XLS just need their table in Excel. Convert to XLSX in your browser with numbers kept as numbers, then Save As XLS only if an old system asks for it. Steps and clean up fixes.
2026年10月20日 · 阅读约 5 分钟
How to Convert PDF to CSV for Free (Tables, Statements, Lists)
Turn PDF tables into clean CSV files in your browser: one file per table, per page or for the whole PDF. Which option and separator to pick, scanned PDFs, and fixes for Excel opening it all in one column.
2026年10月20日 · 阅读约 5 分钟
How to Convert PDF to EPUB for Free (Kindle, Kobo, Phone)
Turn a fixed layout PDF into a reflowable EPUB e-book with chapters, a table of contents and a cover, right in your browser. Steps, which PDFs work, and how to read the file on Kindle, Kobo or a phone.
2026年10月20日 · 阅读约 5 分钟
How to Insert Pages Into a PDF: Blank, PDF or Image (Free)
Need a blank page for notes, a signed form in the middle of a contract, or a photo added as a page? Here is how to insert pages into any PDF at exactly the right spot, free and without uploading the file.
2026年10月19日 · 阅读约 4 分钟
How to Convert WebP to PDF: 4 Free Ways (No Upload)
Saved an image from the web and got a .webp file that no form accepts? Here is how to turn one or many WebP images into a PDF, with the right page size and full quality, plus the built in ways on Windows, Mac and Chrome.
2026年10月19日 · 阅读约 5 分钟
How to Extract Pages From a PDF: 4 Free Ways (No Upload)
Need only page 37 of a statement or two chapters of a report? Here is how to extract pages from a PDF for free with no upload, how page ranges work, and the built in ways on Chrome, Windows and Mac.
2026年10月15日 · 阅读约 4 分钟
How to Compress a PDF to 200 KB for Online Forms (Free)
A form wants your PDF under 200 KB. Here is how to get there in one click with text that stays sharp, how many pages fit, scan settings that help, and what to do when a file will not go small enough.
2026年10月15日 · 阅读约 4 分钟
How to Compress a PDF to 100 KB and Keep It Readable (Free)
100 KB is the strictest upload limit most people meet, usually for a single certificate or ID. Here is how to compress a PDF to 100 KB in one step and keep the text readable.
2026年10月14日 · 阅读约 5 分钟
WoowPDF 博客介绍如何完成日常的 PDF 工作：在 PDF 与其他格式之间转换文件，合并和拆分文档，压缩大文件以便通过邮件发送，加密或解锁 PDF，以及修复无法打开的文件。每篇指南都会结合我们的免费在线工具逐步讲解，无需注册，不加水印。文章以英文撰写。