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PDF のガイド と使い方

Edit any PDF onlinewithout uploading it

Change text in its own font, sign a page and type on a form, right in your browser - no detour through Word, and your file never leaves your computer.

PDF の基本 のガイド

PDF とは何か、どのツールを選ぶべきか、そして開く前にやりがちな間違い。

A PDF page on a dark field with a warning triangle over it, standing for a document that prints badly
PDF の基本

Why PDFs print wrong

Why Your PDF Prints Wrong: Margins, Scaling and Extra Blank Pages

The file looks right on screen and comes out wrong on paper: an edge cut off, everything a few per cent small, a blank sheet at the end. Four things cause it, and all four are decided before the job reaches the printer.

10 min readガイドを読む
A blue DOC file with an arrow pointing to a red PDF file, showing a document converted before it is sent
PDF の基本

PDF or Word?

PDF or Word: Which File Should You Actually Send?

You are about to attach a file and you do not know which format the other person expects. The answer follows from one difference: a Word file is instructions for building a page, and a PDF is the page. Here is what to send for a CV, a contract, an invoice and the rest.

10 min readガイドを読む
Three PDF pages side by side with a tick, illustrating how to choose the right PDF tool
PDF の基本

Choosing a PDF tool

Which PDF tool to use

Split or Organize? PDF to Word, or leave it as a PDF? A short decision guide for the cases people get wrong.

2 min readガイドを読む

すべてのツールにガイドを

各ツールが何をするのか、いつ使うのか、そして何かをアップロードする前に知っておきたい設定。