We are now processing all kinds of files in the workplace or at school each day. For most of us, file size is definitely one of our headaches. If the size of your Word document, PDF file or PowerPoint presentation is too large, you will find it difficult to send it via email. If your videos are too large, it will be hard for you to upload onto and share them on social media. Therefore, it is necessary to have a handy and free file compressor on your PC. Today, we will introduce you to a tool like this–WorkinTool File Compressor.


WorkinTool File Compressor belongs to WorkinTool software family. Just like its other family members, WorkinTool File Compressor is also endowed with a lightweight and simple interface convenient enough for beginners to use.

WorkinTool File Compressor allows you to reduce the sizes of the following files like images, videos, Word documents, PDFs and PowerPoint slideshows. The compression process is quite easy with its help since it takes you less than four steps to complete it. Furthermore, there are default compression modes to meet your different modes and additional settings to customize your compressed outcome. More importantly, it enables you to compress your files in batches.

Furthermore, it is completely free now to use. Hence, you can enjoy all its features without a license payment or compulsory registration. Meanwhile, much as it is freeware, you will not be required to watch any advertisements in the course of your compression and there will be no intrusive watermark on your output.

Here is our study of this compressor software.

Price: Free

Supported Operating Systems: Windows 11, 10, 8 and 7; macOS

File Formats:

  • Images: .jpg, .png, .gif and .bmp
  • Videos: ,mp4, ,wmv, .avi and .flv
  • Word: .doc and .docx
  • PowerPoint: .ppt and .pptx
  • PDF: .pdf
Reasons for Having ItReasons for Declining It
Lightweight and simple interfaceMultiple files for reductionEasy compression processAdditional settings optionalBatch compression availableEntirely FreeLimited image and video formats


Basically, there are five main functions equipped in WorkinTool File Compressor:

click Compress
  • Image Compression
  • Video Compression
  • Word Compression
  • PPT Compression
  • PDF Compression

It is powerful enough to cover almost all the necessary areas in modern society. What is worth specially mentioning is how easy to compress all the files it is able to shrink. Let’s take video compression as an example.

How to compress a video through WokrinTool File Compressor?

  1. Open WorkinTool and find Video Compression.
  2. Hit Add file to upload your video(s).
  3. Adjust the compression mode or the settings below and click Compress.


  1. . Two default compression modes are optional:
  2. Smaller Size: It allows you to compress your original video to the smallest size possible while imposing the slightest sacrifice on your final quality.
  3. Clearer Output: The primary aim of this function is to export an outcome with reduced size but without losing quality. It will not shrink a size as much as the above feature does.
  4. . Additional settings are there for you to customize your reduced file:
Zoom & Resolution   It decides the definition and screen size of your outputBit Rate   The higher the bitrate of your audio is, the better its quality will be.  
Bit Rate   The higher the bitrate is, the better your video quality will be.Sample Rate   Just like bitrate, it also decides the ultimate quality of your audio. The higher, the better.  
Frame Rate   It decides the speed at which the images in your video are shown. The higher the frame rate is, the more still images are packed into each second of a video, which results in a larger size. 
  • . Output Formats: You can choose the format of your compressed video- .mp4 or its original one.
  • Batch compression is available in WorkinTool File Compressor. You can make and save multiple compressed videos with just one click.

How to compress a video for email via WorkinTool File Compressor?

  1. Open the tool and choose Video Compression.
  2. Upload your file by clicking Add file.
  3. Adjust the parameters in the Additional Settings and hit Compress.

(It is advisable to lower the resolution and bit rate.)

working tool demo

Let’s take PPT compression as another example.

With the assistance of this feature, you save the cumbersome process of reducing the sizes of the images or videos in your PowerPoint slideshows one by one. More significantly, it enables you to shrink multiple PowerPoint documents simultaneously.

How to compress a PowerPoint file by WorkinTool File Compressor?

  1. Open WorkinTool and select PPT Compression.
  2. Click Add file to upload your document(s).
  3. Choose the compression mode and press the Compress tab.


File compression has indeed become a critical technique. Therefore, it is helpful to have a powerful desktop tool on your PC or you have to find an online compressor and tolerate unpredictable situations like unstable compression speed and unsatisfactory reduction effect.

WorkinTool File Compressor is here to solve all your issues on file size reduction, from images and videos to office documents like Word, PowerPoint and PDF. The significant point is that all its features are accessible free of charge and you need to worry nothing about the intrusive watermark on your output.

Now, please give it a try and enjoy the great convenience of compressing your multi-formatted files.