# Compress PDF Online

Reduce PDF file size for free

Compress PDF document using the application that we have developed for you. The compression application PDF has three modes of operation "Low", "Medium" and "High". The "Low" compression mode optimizes the internal structure of the document and removes redundant metadata from the PDF document. The "Medium" mode performs the same actions as the "Low" compression mode and additionally reduces the quality of images within the document by 50%. When using the "High" compression mode PDF of the document, images are compressed by 75% and the maximum resolution for images will be 150px.

Why do I need to compress PDF a document? For example, you regularly receive invoices from your partners for payment of services in the form of PDF documents. You need to put these documents in an archive, but each document contains a logo or a graphic diagram that takes up a lot of space on your hard drives. The PDF document compression application will help make your documents more compact and save extra space in your repositories.
 You can compress PDF a document on any operating system, it doesn't matter if your computer is running Windows, MacOs, Linux or Android. Just open the page of this application in a web browser, load your document, select a compression mode and click the "Compress" button. In a minute, you will receive a link to download the compressed document.

## Features

- Optimize PDF
- Choose the degree of compression
- Remove unused objects from PDF
- Allow reuse page content
- If you select a high compression ratio, the quality of the pictures will be reduced by 75%

## How to Compress PDF file

1. Open your browser in PDF free application web site and go to Compress tool.

2. Click inside the file drop area to upload a PDF file or drag & drop a PDF file.

3. When the file will uploaded PDF document will be compressed.

4. Click on 'COMPRESS' button. Download link of compressed PDF file will be shown.

5. You can also send a link to the PDF file to your email address.

6. Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

## FAQ

### ❓ How can I compress PDF document?

First, you need to add a file for compression: drag & drop your PDF file or click inside the white area for choose a file. Then click the 'COMPRESS' button. When PDF document compression is completed, you can download your result files.

### ⏱️ How long does it take to compress PDF document?

This Compression app works fast. You can compress PDF in a few seconds.

### 🛡️ Is it safe to compress PDF using free Compression app?

Of course! The download link of result files will be available instantly after compression. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File compression is absolutely safe.

### 💻 Can I compress PDF on Mac OS, Android or Linux?

Our PDF Compression works online and does not require any software installation.

### 🌐 What browser should I use to compress PDF?

You can use any modern browser to compress PDF, for example, Google Chrome, Firefox, Opera, Safari.