PDFファイルをメール用に圧縮する方法 3つの効果的な方法

Indeed, sending large files via email can be a hassle. In fact, it may cause you some problems, or it may not be delivered at all. Also, many email providers restrict attachments to specific file sizes, which is easy to exceed with a complex PDF. This can be especially true for PDFs with lots of images or lengthy documents. To address this, most people in this situation resort to file-sharing services like Dropbox or Google Drive. However, they almost forget a handy trick, and that is via file compression. Many free online tools can do this, and some are quite popular. But how to compress a PDF for email effectively? That is what you are about to learn as you continue reading the entire content below.

パート 1. 電子メールに最適な PDF サイズはどれですか

事実、メールに最適な PDF サイズに魔法の数字はありません。注意すべきは、メール プラットフォームの添付ファイルの制限です。一般的なサービスでは、添付ファイルの上限が約 20 MB に設定されていますが、特に多くの画像を含む PDF や非常に長い文書の場合は、この上限に達するのが意外に簡単です。したがって、PDF が前述の 20 MB の制限より大きい場合、メールは送信されず、エラー メッセージが表示されます。とはいえ、特定のサイズやメールに最適な PDF サイズを目指すのではなく、安全策をとって 20 MB 未満に抑えるのが最善です。そうすれば、添付ファイルが正常に添付され、送信されることを確信できます。

パート2. ワンクリックでPDFファイルをメール用に圧縮する

Here’s a great and quick way to compress email files. Get ready to experience this free tool called FVC Free PDF Compressor, which can shrink your hefty PDF files without messing them up. Now, since most email services only allow attachments of around 20MB, PDFs with pictures or lots of text can easily reach that limit. This compressor can get your PDF way smaller, even under 100 kilobytes! You don’t need to worry about how it shrinks PDFs for email dramatically because it still maintains the quality of the files. In fact, you probably won't even notice a difference between the original and the shrunk version.

さらに、この素晴らしいツールは使い方が超簡単で、どんなレベルの専門知識を持つ人でも使用できます。PDF ファイルをプログラムにドラッグ アンド ドロップするだけで、自動的に縮小されます。その後、クリックするだけで、小さくなった PDF をコンピューターに保存できます。この方法では、PDF をオンラインでメール サイズにすばやく圧縮して、最終文書に透かしが入ることなく、メールで送信またはアップロードするのに最適なサイズにすることができます。そのプロセスをよりよく理解するには、以下の詳細なガイドラインを参照してください。

Step 1. On its main interface, click the Add PDF File tab and choose the PDF file that you need to compress.

Step 2. While the PDF file is uploading, the tool is also working for its compression.

Step 3. Once done, click the Download the PDF button.

パート3. 編集機能を使ってPDFファイルをメール用に圧縮する

If you prefer a tool that comes with editing features, then Adobe Acrobat is what you need for this task. Adobe Acrobat is a program known for creating, editing, and managing PDF files. It's like a powerful toolkit specifically designed for working with PDFs. One of its handy features is PDF compression, which you can use when you have a bulky PDF that won't fit into your email because of size limits. Adobe Acrobat, which comes with an online and desktop version, can help you compress large PDF files for email without messing with the quality too much. Well, it does this in a few ways, like reducing the size of images within the PDF or getting rid of unnecessary fonts. However, knowing Adobe and its suits, you must not be surprised if you find its learning curve steep. Hence, here are the steps to help you ease the process.

Step 1. Launch the Acrobat and open the PDF file that you need to work on. To do so, go to Tools-Optimize PDF-Open.

Step 2. Once you open the PDF file, click the Reduce File Size option from the new navigation shown. Then, set or use the editing options given to achieve your desired compression and optimization.

Step 3. After that, save the compressed PDF file.

パート4. PDFファイルをメール用に圧縮する

Want to learn a new trick on how to compress a PDF to send via email? Let’s convert the file to JPG. This conversion trick can be done perfectly using PowerPoint. PowerPoint is a program you likely use to create presentations. Imagine a slideshow with text, pictures, and maybe even videos. PowerPoint lets you build these presentations with individual slides that you click through to show your audience. It's a popular tool for teachers, students, business people, and anyone who wants to share information visually.

PDF を PowerPoint プレゼンテーションに挿入するのは便利ですが、最も直感的なプロセスではないかもしれません。しかし、一度やってしまえば、JPG ファイルの作成は簡単です。でも心配しないでください。PDF をすぐに埋め込むために必要な手順を、ステップごとに説明します。

Step 1. Launch the PowerPoint on your PC and select the correct slide where you can open the PDF file.

Step 2. Now, navigate to the Insert tab menu and look for the Object option from the Text selection. Click the option, and a new window will pop up. From that window, toggle the Create from the File option, which is located on the left side of that interface. Then, click the Browse button, which will enable you to import the PDF file onto the slide.

Step 3. Once the PDF file is uploaded, you can convert it to JPG. To do so, right-click the PDF on the slide, select Save As Picture, and save it as a JPEG.

パート5. PDFと圧縮に関するよくある質問

結論

This article talks about how to compress PDF files for email in the best ways. You can now ensure a smoother and better way to send your PDFs via email as long as you reduce them properly to achieve the file limitation.