In this article, I am going to compare the top 5 Online pdf compressor tools. Usually, the PDF file size would be very high compare to the Word document size. You will have to reduce pdf file size when you want to send it by email. When you want to upload it to the internet, it is a must to reduce pdf file size. So that you can save a lot of time and bandwidth.
You can always compress files by creating zip files. You can use free software like 7-zip or paid software like Winrar to create a zip file. Free PDF compression tools will compress your PDF file up to a certain level. If you need the best compression and complete PDF editing features, you need to use premium software. I recommend you to use Adobe Acrobat Reader. It is expensive software. If you want a cheaper alternative, you can go with Wondershare PDFelement.
- Read: Best method to compress files
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- Simple method to convert word to pdf, excel to pdf, image to pdf,..
There are many Online pdf compressor tools available in the market. Almost every tool is free because they earn money with ads.
1.Small PDF – Best Online pdf compressor
Small pdf is a really very good tool. It has a very simple interface. There are no other settings. Just upload a file, compress, and download. It gives good quality pdf even after compressing. It compressed 475kb file to 98kb, which means it reduced file size by 80%.
Pros
- Very simple interface. Drag and drop facility.
- Very fast
- High compression level.
Cons
- They did not mention the maximum file size.
2. Soda PdfOnline compress
PDFcompress is also a simple and good pdf compressor. It will compress 475kb file to 91 kb with good quality. That means its reduced file size by 81% without losing quality.
Pros
- 200MB is the greatest file size. I think no other online service supports this much of upload file size.
- Very Fast.
- Simple interface.
- High compression level.
3. PDFCompressor
PDFCompressor compressed my 475kb file to 454kb. That means it reduced file size only by 2%. It gives a zip file to download. So you need zip programs like 7-zip or Winrar to unzip your pdf file.
Pros
- It supports multiple file upload. You can upload 20 files at a time.
Cons
- Slow uploading and compressing.
- Less compression level.
4.Docupub
Docupub has more settings. I have tried with a maximum compression setting. Even with that, it compressed 475Kb file to 459Kb, which means it reduced file size by 3%.
Pros
- Easy interface.
- More settings.
- Fast compression. But less speed compares to small pdf.
Cons
- Fewer compression levels.
- 5MB is the maximum upload file size.
5. Pdfaid
Pdfaid gives very high-compression levels. It also has many settings. It reduced 475kb to 73 kb with default settings, which means it reduced file size by 85%.
Pros
- More settings regarding any format to pdf like html to pdf, image to pdf, xps to pdf, svg to pdf, etc.
- High compression level.
Cons
- The interface is Ok. They filled the page with ads.
- Average speed.
- 20 MB is the maximum file size.
Final Word
I like simple pdf because of its speed and its simple interface. Compress pdf is my first choice for large files. If you need better compression levels and complete PDF editing features, you need to use Premium software like Adobe Acrobat reader or Wondershare PDFelement.
- You may also like : 2 effective techniques to compress image
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