In this article I am going to compare top 5 Online pdf compressor tools. Usually PDF file size would be very high compare to 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 internet, it is 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 zip file. Free PDF compression tools will compress your PDF file up to certain level. If you need best compression and complete PDF editing features, you need to use premium softwares. I recommend you to use Adobe acrobat Reader. It is expensive software. If you want cheaper alternative, you can go with isksoft PDF editor for Windows or iskysoft PDF editor for Mac.
- 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 really very good tool. It has very simple interface. There are no other settings. Just upload file, compress and download. It gives good quality pdf even after compressing. It compressed 475kb file to 98kb, that means it reduced file size by 80%.
Pros
- Very simple interface. Drag and drop facility.
- Very fast
- High compression level.
Cons
- No extra settings. Just upload file, compress and download.
- They did not mention maximum file size.
2.Pdfcompress.com
PDFcompress.com is also a simple and good pdf compressor. It compressed 475kb file to 91 kb with good quality. That means it reduced file size by 81%
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.
Cons
- No extra settings. Just upload, compress and download
3. Pdfcompressor.com
It compressed my 475kb file to 454kb. That means it reduced file size only by 2%. It gives 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.
- No extra settings. Just upload, compress and download.
- Less compression level.
4.Docupub
Docupub has more settings. I have tried with maximum compression setting. Even with that it compressed 475Kb file to 459Kb, that means it reduced file size by 3%.
Pros
- Easy interface.
- More settings.
- Fast compression. But less speed compare to small pdf.
Cons
- Less 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, that means it reduced file size by 85%.
Pros
- More settings.
- High compression level.
Cons
- Interface is Ok. They filled 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. Pdfcompress.com is my first choice for large files. If you need better compression levels and complete PDF editing features, you need to use Premium softwares like Adobe Acrobat reader or iskysoft PDF editor for Windows and iskysoft PDF editor for Mac.
- You may also like : 2 effective techniques to compress image
Thanks for reading my article about Online pdf compressor tools. If you like it, do me favor by sharing it with your friends.
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