クイックスタート
This guide covers every Nitro PDF feature:
- はじめる — Create your account and set up Nitro Pro
- Word から PDF への変換方法 — Turn any Word file into a clean, shareable PDF
- PDFをWordに変換する方法 — Pull a PDF back into an editable Word document
- How to Use PowerPoint to PDF — Save a slide deck as a fixed-layout PDF
- How to Use PDF to PowerPoint — Convert a PDF back into editable PowerPoint slides
- How to Use Excel to PDF — Export a spreadsheet as a print-ready PDF
- How to Use PDF to Excel — Move PDF tables straight into Excel for analysis
- How to Use Image to PDF — Combine images into a single PDF document
- How to Use PDF to Image — Export PDF pages as standalone image files
- How to Use eSignatures — Sign and send contracts with built-in eSignatures
所要時間： 各作品につき5分
このガイドには以下の内容も含まれています。 プロのヒント | よくある間違い | トラブルシューティング | 価格 | 代替案
このガイドを信頼する理由
I’ve used Nitro PDF for over two years and tested every feature covered here. This tutorial comes from real hands-on experience — not vendor screenshots.
Nitro PDF is one of the most capable PDF tools available today.
But most new users only scratch the surface of the program.
This guide shows you how to use Nitro PDF and every major tool, step by step.
Nitro PDF Tutorial
This complete Nitro PDF tutorial walks you through every feature, from first launch to advanced tips that turn beginners into power users.
ニトロ PDF
Edit, convert, and sign PDF documents in one clean program. Nitro Pro handles Word, Excel, and PowerPoint files with password protection built in. Start a free trial — no Adobe Acrobat subscription required.
Getting Started with Nitro PDF
いずれかの機能を使用する前に、この初回設定を完了してください。
It takes about three minutes.
Here is a quick look at how Nitro Pro runs on Windows:
それでは、各ステップを順を追って見ていきましょう。
ステップ1：アカウントを作成する
Visit the Nitro Pro website to download the software.
You’ll be asked to sign up for a free trial first.
✓ チェックポイント: チェックしてください 受信トレイ 確認メールをお送りします。
Step 2: Install and Launch the Program
Open the downloaded file to install Nitro PDF on your PC.
After installation, launch the program to access its tools.
Nitro Pro supports both Windows and マック.
ダッシュボードの画面は以下のようになります。
✓ チェックポイント: You should see the main toolbar and Create panel.
Step 3: Open Your First File
Drag and drop any file into the Nitro Pro window to start.
✅ 完了: これで、以下のすべての機能をご利用いただけます。
How to Use Nitro Word to PDF
WordからPDFへ lets you convert Word files into polished PDF documents in seconds.
以下に、その使用方法をステップごとに説明します。
Step 1: Open the Create Panel
Click the Create panel on the Nitro Pro toolbar.
Step 2: Select Your Word File
Choose ‘PDF’ and pick the Word document you want to convert.
これがその様子です。
✓ チェックポイント: A new PDF opens with your formatting intact.
Step 3: Save the PDF
Name the file and save it to your folder.
✅ 結果: Your Word file is now a shareable PDF.
💡 プロのヒント: Drag a Word file straight into the window to convert it without opening menus.
How to Use Nitro PDF to Word
PDFをWordに変換 lets you turn locked PDF files back into editable Word documents.
以下に、その使用方法をステップごとに説明します。
ステップ1：変換タブを開く
Click the ‘Convert’ tab at the top of the screen.
Step 2: Choose ‘to Word’
Select ‘to Word’ and load your PDF document.
これがその様子です。
✓ チェックポイント: Nitro creates an editable .docx version of the file.
Step 3: Edit the Output
Open the new file in Microsoft Office to modify 文章 自由に。
✅ 結果: Your PDF is now a fully editable Word document.
💡 プロのヒント: Use OCR first if the PDF was scanned, so the text becomes searchable before export.
How to Use Nitro PowerPoint to PDF
PowerPoint to PDF lets you save slide decks as fixed-layout PDF documents.
以下に、その使用方法をステップごとに説明します。
Step 1: Open the Create Panel
Click ‘PDF’ on the Create panel in the toolbar.
Step 2: Pick Your Slides
Select the PowerPoint file you want to convert.
これがその様子です。
✓ チェックポイント: Each slide becomes one page in the PDF.
ステップ3：保存して共有する
Save the PDF, then share it from the Share tab.
✅ 結果: Your deck is now a clean, fixed PDF.
💡 プロのヒント: Export to PDF before emailing slides so fonts and layout never shift on another device.
How to Use Nitro PDF to PowerPoint
PDF to PowerPoint lets you pull a PDF back into editable PowerPoint slides.
以下に、その使用方法をステップごとに説明します。
ステップ1：変換タブを開く
Go to the ‘Convert’ tab on the toolbar.
Step 2: Choose PowerPoint
Select the PowerPoint export option and load your PDF.
これがその様子です。
✓ チェックポイント: Nitro rebuilds your pages as editable slides.
Step 3: Refine the Slides
Adjust text and images directly inside PowerPoint.
✅ 結果: Your PDF is now an editable slide deck.
💡 プロのヒント: Check image placement after export, since complex layouts sometimes need minor cleanup.
How to Use Nitro Excel to PDF
Excel to PDF lets you convert spreadsheets into print-ready PDF files.
以下に、その使用方法をステップごとに説明します。
Step 1: Open the Create Panel
Click ‘PDF’ on the Create panel in Nitro Pro.
Step 2: Select the Spreadsheet
Choose the Excel file you want to convert.
これがその様子です。
✓ チェックポイント: Your spreadsheet becomes a tidy PDF.
Step 3: Save the File
Name and save the PDF to your device.
✅ 結果: Your Excel data is now a fixed PDF.
💡 プロのヒント: Set the print area in Excel first so wide tables fit neatly on each PDF page.
How to Use Nitro PDF to Excel
PDF to Excel lets you move PDF tables straight into Excel for analysis.
以下に、その使用方法をステップごとに説明します。
ステップ1：変換タブを開く
Click ‘Convert’ then ‘to Excel’ on the toolbar.
Step 2: Load Your PDF
Select the PDF document that holds your table data.
これがその様子です。
✓ チェックポイント: Nitro maps the table into Excel rows and columns.
Step 3: Clean the Data
Adjust columns in Excel to match your needs.
✅ 結果: Your PDF table is now a working spreadsheet.
💡 プロのヒント: Review merged cells after import, as dense tables can occasionally shift a column.
How to Use Nitro Image to PDF
Image to PDF lets you combine several images into one PDF document.
以下に、その使用方法をステップごとに説明します。
Step 1: Open the Create Panel
Click ‘PDF’ on the Create panel in the toolbar.
ステップ2：画像を追加する
Drag and drop multiple image files into the window.
これがその様子です。
✓ チェックポイント: Nitro stacks each image as its own page.
Step 3: Reorder Pages
Use the Pages pane to rearrange or remove pages.
✅ 結果: Your images are now a single PDF.
💡 プロのヒント: Use the Combine tool to merge scanned photos and existing PDFs into one file.
How to Use Nitro PDF to Image
PDF to Image lets you export PDF pages as standalone image files.
以下に、その使用方法をステップごとに説明します。
ステップ1：変換タブを開く
Click the ‘Convert’ tab on the toolbar.
Step 2: Choose Image Export
Select the image format and load your PDF.
これがその様子です。
✓ チェックポイント: Each page exports as a separate image.
Step 3: Save the Images
Pick a folder and save the exported files.
✅ 結果: Your PDF pages are now image files.
💡 プロのヒント: Export to high-resolution images when you need PDF pages for slides or social posts.
How to Use Nitro PDF eSignatures
電子署名 lets you sign and send contracts with built-in eSignatures.
以下に、その使用方法をステップごとに説明します。
Step 1: Open the Forms or Sign Tools
Add a text box or signature field to your document.
Step 2: Place the Signature
Drop the signature field where the contract needs signing.
これがその様子です。
✓ チェックポイント: The document is ready for a secure signature.
Step 3: Send for Signing
Upload the file and send it for electronic signing.
✅ 結果: Your contract is signed and legally binding.
💡 プロのヒント: Nitro Sign adds audit trails, so every signature stays compliant and verifiable.
Nitro PDF Pro Tips and Shortcuts
After testing Nitro PDF for over two years, here are my best tips for editing faster.
These shortcuts boost your daily productivity and efficiency.
キーボードショートカット
| アクション | ショートカット |
|---|---|
| Open a file | Ctrl + O |
| 変更を保存する | Ctrl + S |
| Search text | Ctrl + F |
| Print to PDF | Ctrl + P |
ほとんどの人が見逃す隠れた機能
- OCR scanning: Turn scanned PDF files into searchable, editable documents from the toolbar.
- Combine tool: Merge multiple PDF documents into a single file in one click.
- Pages pane: Drag pages to reorder, delete, or insert new pages with precision.
Nitro PDF Common Mistakes to Avoid
Mistake #1: Editing a secured file
❌ 間違い: Trying to modify text on a signed or password protected PDF.
✅ 右: Unlock the file first, then use the Edit tab on unsigned documents.
Mistake #2: Overwriting the original
❌ 間違い: Saving edits over your only copy of the PDF.
✅ 右: Save changes under a new file name to keep the original safe.
Mistake #3: Skipping OCR on scans
❌ 間違い: Converting a scanned PDF to Word without running OCR.
✅ 右: Run OCR first so Nitro can read and modify text accurately.
Nitro PDF Troubleshooting
Problem: Text won’t edit
原因： The PDF is signed, secured, or scanned as an image.
修理： Remove 安全, or run OCR so the text becomes editable.
Problem: Conversion looks messy
原因： The original file used complex tables or custom fonts.
修理： Clean the layout in Word or Excel, then convert again.
Problem: The program runs slowly
原因： Very large PDF files can slow older computers.
修理： Split big files with the Pages pane before heavy editing.
📌 注記： If none of these fix your issue, contact Nitro PDF support.
Nitro PDFとは何ですか?
ニトロ PDF is a PDF tool that lets you create, edit, convert, and sign documents in one place.
Think of it like Adobe Acrobat, but with a cleaner, simpler interface.
Nitro is great for creating PDF documents and adding comments and annotations for review and feedback.
Text and images can be modified directly on the page with precision.
Nitro Pro provides seamless integration with Document Management Systems.
This helps streamline your document workflow.
It is trusted by professionals who handle contracts every day.
You’ll find the Share button in the top right corner of the screen.
Everything is packed into a nice, clean interface.
The pros include speed, security, and a low monthly price.
こちらの簡単な概要をご覧ください。
主な機能は以下のとおりです。
- Word to PDF: Convert Word documents into shareable PDF files
- PDF から Word へ: Pull PDF files back into editable Word format
- PowerPoint to PDF: Save PowerPoint decks as fixed-layout PDFs
- PDF to PowerPoint: Rebuild a PDF into editable PowerPoint slides
- Excel to PDF: Turn Excel sheets into print-ready PDFs
- PDF to Excel: Move PDF tables into working Excel spreadsheets
- Image to PDF: Combine images into a single PDF document
- PDF to Image: Export PDF pages as standalone image files
- eSignatures: Sign contracts with secure, built-in eSignatures
詳細なレビューについては、こちらをご覧ください。 Nitro PDF review.
Nitro PDF の価格設定
Here’s what Nitro PDF costs in 2026:
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 標準 | 1ユーザーあたり月額15ドル | Individuals doing everyday PDF work |
| プラス | カスタム | Teams needing extra workflow tools |
| クラシック | 270ドル（1回限り） | Users who prefer a one-time buy |
無料トライアル: Yes — Nitro Pro offers a 14-day free trial.
無料版: No permanent free version, only the trial.
💰 最もお得な価格: Standard — full editing and conversion at a low monthly price.
Nitro PDFと代替案の比較
How does Nitro PDF compare? Here’s the competitive landscape:
| 道具 | 最適な用途 | 価格 | 評価 |
|---|---|---|---|
| ニトロ PDF | All-round editing | 月額15ドル | ⭐ 3.8 |
| PDFエキスパート | Mac users | $80/yr | ⭐ 4.6 |
| フォックスイット | Lightweight editing | 月額15ドル | ⭐ 4.5 |
| pdfフィラー | Online forms | 月額8ドル | ⭐ 4.4 |
| テナーシェア | Quick conversions | 月額20ドル | ⭐ 4.2 |
| PDF要素 | 予算編集 | 月額10ドル | ⭐ 4.5 |
| ドックハブ | Free signing | 月額10ドル | ⭐ 4.4 |
| UPDF | Cross-platform use | 月額5ドル | ⭐ 4.5 |
おすすめ商品：
- 総合ベスト： Nitro PDF — editing, converting, and signing in one program.
- ベスト予算： UPDF — full features at the lowest monthly price.
- 初心者におすすめ： PDFelement — simple layout for new users.
- Best for Mac: PDF Expert — built for Apple デバイス.
🎯 Nitro PDFの代替品
Nitro PDFの代替ソフトをお探しですか？おすすめの選択肢はこちらです。
- 🚀 PDFエキスパート: Polished Mac PDF editor with fast annotation and clean reading tools for Apple users.
- 💰 フォックスイット： Lightweight program that edits PDF files quickly without a heavy install.
- 🎨 pdfFiller: Browser-based editor great for filling forms and signing PDF documents online.
- ⚡ テナーシェア： Fast converter for turning PDF files into Word, Excel, and other formats.
- 🔒 PDF要素: Affordable editor with strong tools to modify text and images in PDFs.
- 🧠 DocHub: Free signing tool that handles PDF forms and feedback inside your browser.
- 👶 UPDF: Cross-platform editor with low pricing and a friendly setup for beginners.
全リストについては、こちらをご覧ください。 Nitro PDF alternatives ガイド。
⚔️ Nitro PDF の比較
Nitro PDFが各競合製品と比べてどうなのか、以下に示します。
- Nitro PDFとPDF Expertの比較： PDF Expert wins on Mac polish, but Nitro PDF leads on Windows editing and conversion.
- Nitro PDF vs Foxit: Foxit feels lighter, yet Nitro PDF offers deeper conversion and signing tools.
- Nitro PDFとpdfFillerの比較： pdfFiller shines online, while Nitro PDF is stronger as a desktop program.
- Nitro PDF vs Tenorshare: Tenorshare converts fast, but Nitro PDF covers more file types and editing.
- Nitro PDFとPDFelementの比較： PDFelement is cheaper, though Nitro PDF gives a more complete toolbar.
- Nitro PDF vs DocHub: DocHub is free for signing, yet Nitro PDF handles heavier editing work.
- Nitro PDFとUPDFの比較： UPDF beats Nitro on price, while Nitro PDF wins on advanced conversion.
Start Using Nitro PDF Now
You learned how to use every major Nitro PDF feature:
- ✅ WordからPDFへ
- ✅ PDFからWordへ
- ✅ PowerPoint to PDF
- ✅ PDF to PowerPoint
- ✅ Excel to PDF
- ✅ PDF to Excel
- ✅ Image to PDF
- ✅ PDF to Image
- ✅ eSignatures
次のステップ： どれか一つの機能を選んで、今すぐ試してみてください。
Most people start with Word to PDF.
It takes less than five minutes to use.
よくある質問
Nitro PDFは無料ですか？
No. Nitro PDF has no permanent free version, but it offers a 14-day free trial so you can test every editing and conversion tool before buying.
Nitro PDF は Adobe Acrobat よりも優れていますか?
Nitro PDF costs less and feels simpler than Adobe Acrobat. Acrobat has more advanced extras, but Nitro covers most editing, conversion, and signing needs well.
Is Nitro PDF safe to use?
Yes. Nitro PDF adds password protection, encryption, and digital signatures, keeping your PDF documents secure during editing, sharing, and signing.
Can Nitro PDF convert files to Word and Excel?
Yes. The Convert tab turns PDF files into editable Word, Excel, and PowerPoint formats, and converts those files back into PDF too.
Does Nitro PDF work on Mac?
Yes. Nitro Pro supports both Windows and Mac, and Nitro Sign also runs on iOS and Android for mobile signing.
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