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<span class="date">January 21, 2020</span>
<h1>Compress PDF Online For Free</h1>
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<p>We often receive PDF files, which are too big (scanned documents etc.). Such quality may not be necessary for regular usage. They can be easily compressed online in seconds.</p>
<span id="more-383"></span>
<p>We will compress our PDF with <a href="https://www.Photopea.com" target="_blank">Photopea.com</a>. Open Photopea and press <b>File - Open</b>, to open your PDF. Photopea can work with PDFs with up to 30 pages.</p>
<p>When the PDF is loaded, press <b>File - Export As - PDF</b>. A window will appear. You can see a final file size at the bottom left corner.</p>
<img src="//i.imgur.com/BMHHp6D.png" style="width:80%" />
<p>Enable <b>rasterize all</b> in the export options. Now, decrease the <b>Quality</b>, until the file size reaches the required value. Zoom in at the preview to see, if the quality is still acceptable. When you are done, press Save to get a PDF file. That's all! :)</p>
<h2>Custom DPI</h2>
<p>The process above converts each page into a raster image. Each letter becomes e.g. 30 pixels tall. You might want to improve quality (e.g. make a letter 60 px tall), or compress even more (make a letter just 15 px tall). Here is how to do it.</p>
<p>After opening your PDF in Photopea, press Image - Image Size, enter a smaller width / height (or switch to percents) and confirm with OK. Now, proceed with exporting: File - Export As - PDF.</p>
<img src="//i.imgur.com/eGQtaoM.png" style="width:50%" />
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