快速入门
本指南涵盖了PDF Expert的所有功能：
- 入门 — 创建您的帐户并设置应用程序
- 如何使用编辑PDF — Rewrite text and resize images directly on the page
- 如何使用 PDF 注释功能 — Highlight, underline, and strike through anything on the page
- 如何使用标记和注释 — Draw shapes and leave sticky notes anywhere on the page
- 如何使用转换 PDF 功能 — Swap between Word, Excel, image files, and PDF in a few clicks
- 如何使用签名 PDF — Add a saved signature to contracts and invoices in seconds
- 如何使用注释 PDF — Leave threaded feedback without changing the original layout
- 如何使用“添加图片”功能 — Place logos and photos anywhere, then crop or rotate them
- 如何使用管理页面 — Rearrange, rotate, delete, or split pages from one grid view
- 如何使用合并PDF功能 — Combine a collection of files into one clean document
所需时间： 每部影片 5 分钟
本指南还包含以下内容： 专业提示 | 常见错误 | 故障排除 | 定价 | 替代方案
为什么信任本指南
I’ve used PDF Expert for two years on a Mac, an iPad, and an iPhone.
Every step below came from real files, not vendor screenshots.
PDF Expert is one of the fastest PDF tools you can run on a 苹果.
But most people only ever open a file and scroll.
This How to Use PDF Expert guide shows you how to use every major feature.
一步一步教你，附带截图和专业技巧。
PDF专家教程
This PDF Expert tutorial walks through every PDF task, from your first file to advanced page work.
PDF专家
Edit, annotate, and sign documents on your Mac, iPad, and iPhone. PDF Expert makes heavy files open in a blink and keeps your work stored offline. Try it free before you buy.
PDF Expert入门指南
Do this one-time setup before you open any of the tools.
大约需要三分钟。
Here is what the app looks like in daily use:
现在让我们一步一步来。
第一步：创建您的帐户
Go to the PDF Expert website and click Free Trial.
请输入您的电子邮件地址并创建密码。
✓ 检查点： 检查你的 收件箱 请发送确认邮件。
步骤二：下载应用程序
Download PDF Expert for Mac, or grab the iOS app for iPad and iPhone.
There is no PC version, so Windows users need a different reader.
这就是它的样子：
✓ 检查点： You should see the file browser on your screen.
Step 3: Connect Your Storage
Link Dropbox, iCloud, or Google Drive so you can easily access every file.
The iOS version also keeps files stored locally inside the app.
✅ 完成： 您已准备好使用以下任何功能。
How to Edit PDFs in PDF Expert
编辑PDF文件 让你改变 文本, fix typos, and swap images inside any PDF file.
以下是使用步骤。
步骤 1：打开您的文件
Open the PDF file you want to change.
Drag it onto the app icon or use File then Open.
Step 2: Click Edit in the Toolbar
Click Edit in the toolbar at the top of your screen.
这就是它的样子：
✓ 检查点： The text block turns into an editable box with a blue border.
Step 3: Click Any Text Block
Click any paragraph and start typing.
✅ 结果： Your PDF documents now read exactly how you want them.
💡 专业提示： Right click a text block and pick Edit Text to skip the toolbar entirely.
How to Annotate PDFs in PDF Expert
注释PDF lets you highlight text, underline key lines, and mark up scanned documents.
以下是使用步骤。
Step 1: Switch to the Annotate Tab
Open your file and click Annotate in the toolbar.
All the annotation tools sit in one row here.
Step 2: Pick a Highlighter Color
Click the highlighter icon and choose a color.
这就是它的样子：
✓ 检查点： Your selected text carries a colored band across it.
Step 3: Drag Across the Text
Drag your cursor across the words you want to keep.
✅ 结果： Every key passage is marked and easy to find later.
💡 专业提示： Open the annotation summary to jump straight to any highlight you made.
如何使用 PDF Expert 标记和注释
标记和注释 lets you draw freehand, drop sticky notes, and write in the margins.
以下是使用步骤。
Step 1: Choose the Pen Tool
Click the pen in the Annotate toolbar.
Step 2: Draw or Add a Note
Draw on the page, or click the note icon to type.
这就是它的样子：
✓ 检查点： A small yellow marker appears wherever you placed notes.
Step 3: Save Your Markup
Press Command S to save your work.
✅ 结果： Your notes stay attached to the exact spot they belong.
💡 专业提示： Use the eraser instead of undo when you only want to delete one stroke.
How to Convert PDFs in PDF Expert
转换PDF文件 lets you turn Word, Excel, or image files into PDFs and back again.
以下是使用步骤。
步骤 1：打开文件菜单
Click File then Convert with your document open.
You can also drag a JPG or PNG onto the app to create a PDF.
Step 2: Pick Your Output Format
Choose DOC, image, or text as your output format.
这就是它的样子：
✓ 检查点： A progress bar runs, then the converted file opens automatically.
Step 3: Export and Save
Click Convert, then pick where to save the new file.
✅ 结果： You can convert PDFs into DOC files and edit them in Word.
💡 专业提示： Turn on optical character recognition before you convert scanned documents.
How to Sign PDFs in PDF Expert
签署PDF文件 lets you sign documents in seconds without printing a single page.
以下是使用步骤。
Step 1: Open the Annotate Tab
Click Annotate, then click the signature icon.
There are three simple ways to sign a PDF agreement or invoice.
第二步：创建您的签名
Draw with your trackpad, type it, or scan a paper copy.
这就是它的样子：
✓ 检查点： Your signature sits on the page with a movable frame around it.
Step 3: Drop It on the Line
Drag the signature onto the signature line and resize it.
✅ 结果： You can sign documents and share them back the same minute.
💡 专业提示： Save two signatures, one full and one initials, for multi-page contracts.
How to Comment in PDF Expert PDFs
评论PDF lets you leave feedback for teammates without touching the original layout.
以下是使用步骤。
Step 1: Select the Text
Highlight text you want to 问题 or praise.
Step 2: Click Add Comment
Click Add Comment in the popup menu and type your note.
这就是它的样子：
✓ 检查点： A comment bubble appears in the right corner of the page.
Step 3: Share the File
Send the file to your team and let them reply inline.
✅ 结果： Feedback stays inside the PDF instead of scattered across email.
💡 专业提示： Comments carry a timestamp, so the review history stays readable months later.
How to Add PDF Expert Images
添加图片 lets you drop logos, photos, or screenshots onto any page you like.
以下是使用步骤。
Step 1: Click Edit Then Image
Open Edit in the toolbar and click Image.
Step 2: Choose Your File
Pick an image from your computer and click Open.
这就是它的样子：
✓ 检查点： The image sits on the page with handles on every corner.
Step 3: Position and Crop
Drag the corner handles to resize, then rotate if needed.
✅ 结果： Your PDF carries branding without a trip back to design software.
💡 专业提示： Copy an image from another app and paste it straight onto the page.
How to Manage PDF Expert Pages
管理页面 lets you rearrange, rotate, delete, or split pages in one view.
以下是使用步骤。
Step 1: Open Thumbnail View
Click the thumbnails icon in the top left corner.
Step 2: Drag Pages Into Order
Drag any page to a new spot to rearrange the file.
Right click a page to rotate, delete, or extract it.
这就是它的样子：
✓ 检查点： Page numbers renumber themselves after every move.
Step 3: Save the New Order
Press Command S to lock in the new page order.
✅ 结果： Long reports read in the right order from the first page.
💡 专业提示： Add outlines and page numbers so readers can navigate the document quickly.
How to Merge PDFs in PDF Expert
合并PDF lets you combine a collection of separate files into one clean document.
以下是使用步骤。
Step 1: Open the First File
Open the PDF that should sit at the front.
Step 2: Drag the Others In
Open thumbnail view and drag your other PDFs onto it.
这就是它的样子：
✓ 检查点： All pages from both files show in a single thumbnail strip.
Step 3: Export the Merged File
Click File then Export to save the combined document.
✅ 结果： Merging multiple PDFs into one takes seconds, not minutes.
💡 专业提示： Build a table of contents after merging so the file works as a digital map.
PDF专家专业技巧和快捷方式
After two years of daily use, these are the shortcuts I reach for most.
键盘快捷键
| 行动 | 捷径 |
|---|---|
| Save the file | Command + S |
| Search inside a PDF | Command + F |
| Open thumbnail view | Command + 1 |
| 复制所选文本 | Command + C |
大多数人错过的隐藏功能
- Redaction: Hide addresses or credit card numbers before you share a file.
- 人工智能摘要： Summarize long documents, pull key points, and create keywords.
- Offline translation: Translate whole PDFs on iOS 18 or newer without sending 数据 出去。
- Password protection: Lock a file so only the right people can open it.
PDF专家常犯的错误，请避免
Mistake #1: Editing a Scan Without OCR
❌ 错误： Clicking Edit on a scan and wondering why nothing is editable.
✅ 右图： Run optical character recognition first, then edit the recognized text.
Mistake #2: Flattening Every File Before Sharing
❌ 错误： Flattening a file, which locks your notes and comments forever.
✅ 右图： Keep a working copy, and flatten only the version you send out.
Mistake #3: Rebuilding PDF Forms From Scratch
❌ 错误： Retyping a form in Word because the fields look locked.
✅ 右图： Click any field and type to complete applications and tax forms digitally.
PDF专家故障排除
Problem: Text Won’t Edit
原因： The page is an image from a scanner, not real text.
使固定： Open File, run OCR, wait for the scan to finish, then edit.
Problem: Fonts Change After Editing
原因： The original font is not installed on your device.
使固定： Install the font, or pick the closest match from the format menu.
Problem: Changes Are Missing on Another Device
原因： The file synced before your last save finished.
使固定： Save again, wait for the cloud icon to clear, then reopen the document.
📌 笔记： 如果以上方法均无法解决您的问题，请联系 PDF Expert 支持团队。
什么是PDF Expert？
PDF专家 is a PDF editor and reader built for iPhone, iPad, and Mac.
Think of it like a word processor that finally speaks PDF.
观看这段快速概览：
Apple named it App of the Year Runner-up and gave it an 编辑‘ Choice badge.
它包含以下主要特点：
- 编辑PDF： Rewrite text and resize images directly on the page
- 为PDF添加注释： Highlight, underline, and strike through anything on the page
- 标记和注释： Draw shapes and leave sticky notes anywhere on the page
- 转换PDF： Swap between Word, Excel, image files, and PDF in a few clicks
- 签署PDF文件： Add a saved signature to contracts and invoices in seconds
- 评论PDF： Leave threaded feedback without changing the original layout
- 添加图片： Place logos and photos anywhere, then crop or rotate them
- 管理页面： Rearrange, rotate, delete, or split pages from one grid view
- 合并PDF文件： Combine a collection of files into one clean document
All the tools are grouped into toolbar sections you can explore when you open any file.
如需完整评测，请参阅我们的 PDF专家审核.
PDF专家定价
以下是 PDF Expert 在 2026 年的费用：
| 计划 | 价格 | 最适合 |
|---|---|---|
| 每周 | 每周 4.99 美元 | One-off projects and short deadlines |
| 每年 | 每周 1.53 美元 | Daily users who work with PDFs every week |
| 寿命 | $139.99 | Long-term owners who want to pay once |
免费试用： Yes — try the app before you pay anything.
退款保证： Yes — refunds run through the App Store or Setapp.
💰 性价比最高： Lifetime — it pays for itself in under two years.
PDF Expert 与其他方案的比较
How does PDF Expert compare? Here’s the landscape:
| 工具 | 最适合 | 价格 | 等级 |
|---|---|---|---|
| PDF专家 | Mac and iOS speed | $139.99 lifetime | ⭐ 4.6 |
| Foxit | Windows Teams | 每月 14.99 美元 | ⭐ 4.4 |
| Pdffiller | 在线表格 | 每月 20 美元 | ⭐ 4.3 |
| TenorShare | File repair | 每月 9.95 美元 | ⭐ 4.1 |
| PDF元素 | Batch editing | 每月 9.99 美元 | ⭐ 4.5 |
| 硝基 PDF | E-signatures | 每月 14.99 美元 | ⭐ 4.3 |
| DocHub | Free web edits | 每月14美元 | ⭐ 4.4 |
| 乌干达人民国防军 | 预算 人工智能工具 | 每月 3.33 美元 | ⭐ 4.4 |
快速精选：
- 综合最佳： PDF Expert — fastest way to edit PDFs on Mac.
- 最佳预算： DocHub — free tier handles light signing and edits.
- 最适合初学者： PDF Expert — the toolbar explains itself.
- 最适合 Windows 系统： Foxit — built for PC-first offices.
🎯 PDF Expert 的替代方案
正在寻找 PDF Expert 的替代方案？以下是一些最佳选择：
- 🚀 Foxit： Fast reader with strong PDF editing and team collaboration for Windows-heavy offices.
- 💰 Pdffiller: Browser-based tool built to fill out forms and collect signatures without any download.
- 🔧 TenorShare： Budget desktop suite that repairs, unlocks, and converts PDFs on Windows and Mac.
- 🏢 PDF元素： Full desktop editor with batch processing, form building, and enterprise licensing.
- 💼 Nitro PDF： Business-focused platform with e-signature workflows and document analytics built in.
- ⚡ DocHub： Free web app that signs and edits PDFs straight from Gmail and Google Drive.
- 🧠 UPDF： Affordable cross-platform editor with AI summaries and unlimited device activation.
完整列表请参见我们的 PDF Expert 的替代方案 指导。
⚔️ PDF专家对比
以下是PDF Expert与各竞争对手的对比：
- PDF Expert 对比 Foxit： Foxit covers Windows better. PDF Expert wins on Mac, iPad, and iPhone speed.
- PDF Expert vs Pdffiller： Pdffiller works fully online. PDF Expert works offline and feels faster on a Mac.
- PDF Expert 与 TenorShare 的比较： TenorShare fixes broken files well. PDF Expert is the easiest way to edit daily.
- PDF Expert 与 PDFelement 的对比： PDFelement has deeper batch tools. PDF Expert has a cleaner, faster interface.
- PDF Expert 对比 Nitro PDF： Nitro suits large teams. PDF Expert suits individuals and 小型企业 用户。
- PDF Expert 与 DocHub： DocHub is free and quick. PDF Expert handles heavy files without a browser tab.
- PDF Expert 与 UPDF： UPDF costs less across 设备. PDF Expert feels more native on iOS and Mac.
立即开始使用 PDF Expert
您已学会如何使用 PDF Expert 的所有主要功能：
- ✅ 编辑PDF
- ✅ 注释 PDF
- ✅ 标记和注释
- ✅ 转换 PDF 文件
- ✅ 签署PDF文件
- ✅ 注释 PDF
- ✅ 添加图片
- ✅ 管理页面
- ✅ 合并PDF
下一步： 选择一项功能，立即试用。
大多数人都是从编辑PDF开始的。
只需不到5分钟。
常见问题解答
PDF Expert 可以免费使用吗？
PDF Expert offers a free trial and a free reader mode. Editing, signing, and converting need a paid plan, priced weekly, yearly, or as a one-time lifetime purchase.
PDF专家可以编辑PDF文件吗？
Yes. PDF Expert edits text, images, and links directly on the page. Scanned documents need optical character recognition first, which the app runs in a few seconds.
Adobe Acrobat 和 PDF Expert 有什么区别？
Acrobat runs everywhere and costs more monthly. PDF Expert is Mac and iOS only, opens heavy files faster, and offers a lifetime licence instead of a subscription.
如何在PDF Expert中进行复制粘贴？
Select text, press Command C, then Command V where you want it. You can also right click the selection and choose Copy from the menu.
PDF Expert值得购买吗？
For daily Mac, iPad, and iPhone users, yes. The lifetime price beats two years of most subscriptions, and the app handles almost every PDF task without extra software.
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