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PDF 가이드 와 사용법

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 압축 가이드

PDF를 망가뜨리지 않고 줄이기: 압축이 무엇을 바꾸는지, 어떤 수준을 고를지, 업로드 한도 아래로 어떻게 낮출지.

A PDF document with a dashed measuring frame around a small solid block, standing for a file squeezed to fit a size limit
PDF 압축

PDF under 100 KB

How to Compress a PDF to 100 KB (or Any Size a Form Demands)

A visa portal wants 100 KB and your scan is 1.8 MB. Here is how to find out what is making the file heavy, which level to pick, and what to do when Smaller still is not small enough.

10 min read가이드 읽기
A PDF document with a red warning triangle over it, marking a file that will not send as an email attachment
PDF 압축

Too big to email

Your PDF Is Too Big to Email: The Limits and What Actually Works

The send button failed, or the message bounced an hour later. Here are the real attachment limits at Gmail, Outlook and a typical company server, why your file gets a third bigger in transit, and the four ways to get the document there.

11 min read가이드 읽기
Two stacked sheets of paper under a large magnifying glass, standing for a scanner looking at a page as a picture
PDF 압축

Why scans are large

Why Scanned PDFs Are So Large, and How to Shrink Them

Ten typed pages are 200 KB. Ten scanned pages are 40 MB, and they say the same thing. The difference is that a scan is a photograph of a page rather than the words on it. Here is the arithmetic, and what to do about it.

11 min read가이드 읽기
A PDF page squeezed between two arrows beside a badge reading 78 percent smaller
PDF 압축

How to compress a PDF

How to Compress a PDF: Reduce File Size Without Losing Quality

A 12 MB PDF that will not send is almost always a few oversized images in a wrapper. Here is what compression actually changes, which level to pick, and how to get under a limit without turning your text to mush.

10 min read가이드 읽기
A PDF page squeezed by two arrows beside a panel reading 78 percent smaller
PDF 압축

Compress without losing quality

How to compress a PDF without losing quality

Choosing the right compression level matters for email attachments, web uploads, and print-ready documents.

2 min read가이드 읽기

도구마다 하나씩, 가이드

각 도구가 무엇을 하는지, 언제 쓰는지, 그리고 업로드하기 전에 알아둘 만한 설정입니다.