compress video with iskysoft
Best FLV Compressor - UniConverter
  • Fast compress FLV file size by changing vidoe resolution, bitrate, size, quality, frame rate and more.
  • Compress FLV or other 150+ video formats easily.
  • Convert videos without losing quality, including MP4, MOV, MKV, AVI, FLV, MPEG, etc.
  • Burn FLV videos to DVD with templates.
  • Edit video like trimming, cropping, merging video, or adding watermark, background music.
  • More: download video from YouTube or other sites, record screen, make GIF images, etc.

FLV Compressor: How to Compress FLV Videos

by Brian Fisher

Why do we need to compress FLV videos? Reducing FLV size is important when you want to share the files with friends. You may also want to access the video files, through many devices. The other reason why FLV videos require compressing is to make them easier to upload online or to share across different devices. Large files are often challenging to upload, since they take long than necessary to load. A compressed file, on the other hand, can be uploaded on email system, without problems. Find the best solutions to compress FLV in this article.

Part 1. Most Effective Way to Compress FLV Videos

There are many tools to compress FLV files. If you are looking for an all-in-one tool, you can't missUniConverter. It has a simplified procedure to reduce FLV file size. Besides, the converter is also capable of converting files to various formats. More than compressing FLV video, it has more features like downloading online video, edit video, convert video and more. See more features below.

Get the Best FLV Compressor:

  • Compress FLV video by adjusting the video resolution, size, bit rate, encoder, quality and more.
  • Convert video in 150+ formats, including FLV, MOV, MP4, MKV, AVI, WMV, etc.
  • You can trim, crop, merge video, add watermark, subtitle and more to the video.
  • Download video from popular sites like YouTube, Vevo, Facebook, Dailymotion, etc.
  • It allows you to transfer video or audio to iPhone, iPad without iTunes, or transfer to Android device.
  • More: record video, make GIF image, burn DVD, burn CD.
  • Compatible with Windows PC and Mac.

Step-by-step Guide to Compress FLV using UniConverter

Step 1. Add FLV video to iSkysoft FLV compressor

Download UniConverter on your PC/Mac. Now open it and select the Toolbox menu placed at the upper panel. Thereafter, locate and select Video Compress option from the given options.

Then from the new window, insert the FLV file by simply clicking on the + button.

Add FLV video

Step 2: Set the FLV compression parameter

You’ll notice the file getting uploaded. From here, you’ve the leverage of opting to change parameters in different settings like Format, Bit Rate, Quality, Resolution, etc. You can change them to resize FLV file.

FLV compression parameter

Step 3. Compress FLV video

In order to gain the insights of the changes made by you, press the blue Preview button. This will let you have a look on your resultant video for 20 seconds to get satisfied with the changes. After that, press the Compress button to compress FLV within a few seconds.

Compress FLV video

Part 2. How to Compress FLV Online

This section covers 3 of the most useful online compressors to easily compress FLV online.

1. Wondershare Online UniConverter


From the line of Wondershare, Online UniConverter is a reliable compressor solution that is equipped to cater the need of compressing. By using this converter, anybody can reduce the FLV size in an effortless manner. Needless to state, the interface has a simple designing which any novice is able to grasp. All one has to do is dash in the audio file stored in the PC and get the work done. It allows users to customize output settings such as managing resolutions of the file on a scale of 1080 p to 144 p. Not only this, there is a feature for resetting size of file and opt for the reduced section of up to 30%.

Online UniConverter

Needless to state, with online compressors or converters, there is an ease of operation in compressing FLV online. That too without the hassles of downloading software, but it surely has some loopholes you can certainly not miss out.

  • Compulsion of Internet Connection – The need of internet is very much mandatory for any kind of online tool to work, whether it is a converter or compressor. Without it, no amount of file or setting can work out to compress FLV online.
  • No scope of taking large files – Most of the online tools do not have any facility for taking the input of big files. Some have the provision of not taking the input more than a certain degree of MBs.
  • Batch conversion not supported – In case a user wishes to process batch conversion of multiple files together, the online tools may not be a right option to ponder over.

2. Video Smaller


If you’re in search for a simple tool that is capable of performing the basic kinds of functions, Video Smaller is a considerable means for compressing FLV online. By using this online compressor, it can manage to reduce down the FLV size and provide the output in a good speed. There is a feature of loading files of up to 500 MB limit. It shares compatibility with a range of formats like MP4, MPEG, and MOV etc. Video Smaller ensures to remove the uploaded file within a couple of hours after it was uploaded.

Video Smaller



The last in our bucket of reliable methods is YouCompress – an online tool for compressing the FLV online. With this compressor, users can compress the popular file formats for instance the MP4, FLV, MOV, MP3, JPEG, PNG files etc. It ensures to give out no watermark over the compressed file or any output for that matter. This tool can prove to be a best example for somebody who is running out of budget as it is a free of cost compressor.


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Brian Fisher

staff Editor