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10 Best Free Online Video Compressors [No Download]

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Mar 27, 2024• Proven solutions

Videos you record with your iPhone, iPad or any other camera can often be larger than 1GB, especially if they were captured in high resolution. Some social networks have video size limitations, so if your video exceeds the platform’s video size limitation you have to compress that video to meet the specifications of a particular social network.

Previously, we’ve introduced some of the best free video compressor apps for iOS and Android, as well as some video compression software for Windows 10 and Mac, in this article, we will take you through the ten best free online video compressors which allow you to compress videos wherever and whenever.

Top 10 Free Online Video Compressors for Windows, macOS, Linux, and Chrome

There is no need to spend a lot of money on a professional video editing software if you are just looking for a quick way to downsize your videos. In fact, you can perform this task online for free regardless of the operating system you’re using. Let’s take a look at the ten best free online video compressors.

The software listed below are in no particular order.

2. Clipchamp

Price: Free, pricing plans start at $9 per month

clipchamp online video compressor interface

This web-based video editing app, enables its users to optimize their videos for different purposes by using templates. Besides making the video editing process easier, Clipchamp converts, records and compresses video files. This video compressor lets you reduce the size without losing the quality of all videos saved in MP4, MOV or AVI file formats.

clipchamp compressed video interface

To change the size of a video with Clipchamp you just have to choose high, medium or low video quality option from the Customize Settings menu. Besides, you can also customize the video resolution and format.

After compression, you can upload and share the video to YouTube, Vimeo, Facebook and Google Drive directly or download it to computer. The free version of Clipchamp will watermark video you compressed at the beginning and ending frames, and if you want to remove the watermark from a video you have to upgrade to the Business version of the video editor.


  • Great batch conversion options
  • Offers a huge selection of templates
  • Excellent file-sharing capabilities
  • Effortless video upload


  • The free version of Clipchamp watermarks videos
  • Modest video compression features
  • A limited selection of output video file formats

3. AConvert

Price: Free

Converting PDF files, word documents or videos with AConvert is a straightforward process that takes a minimum amount of effort. However, you should keep in mind that AConvert can only compress videos that are smaller than 200 MB.

aconvert online video compressor

To start compressing a video with AConvert you have to navigate to the Video window and then import a video from your hard drive or from a file hosting service like Dropbox. The Target Format drop-down menu lets you choose from a variety of output video file formats, like AVI, MP4 or MOV. Afterward, you should select to change Video Size, Bitrate, Frame Rate or Video Aspect settings from the Options drop-down menu and proceed to select the new resolution from the Video Size menu. AConvert offers a huge selection of preset resolutions, and it lets you adjust the bitrate which can reduce the size of your video even further. 


  • Offers powerful video file conversion and video file compression tools
  • Lets you import videos from Dropbox or Google Drive
  • A wide selection of output video file formats
  • Rich resolution template library


  • No batch processing features
  • Maximum video size cannot exceed 200 MB
  • File sharing capabilities are limited

4. YouCompress

Price: Free

This is a simple video compressor that allows you to reduce the size of audio, video and image files. Moreover, you can reduce the size of an unlimited number of MP4, MP3, JPEG or GIF files using YouCompress. However, the entire video file compression process is automatic, so you can’t adjust the output video resolution, file format or bitrate.

YouCompress  online video compressor

You just have to import a video you’d like to compress from a folder on your computer into YouCompress and click on the Upload File & Compress button. This online video compressor doesn’t have a video file limit, so how long the file compression is going to last depends on the size of the original video file.


  • Quick and easy compression of audio, video and image files
  • The straightforward file compression process
  • Compressed videos are not watermarked


  • Selecting the output file format is not possible
  • Video compression settings are automatic
  • No file-sharing capabilities

5. Online Converter Video Compressor

Price: Free

In case you are looking for a video compressor that is both reliable and easy to use, you shouldn’t look much further than Online Converter. You can upload videos saved in MP4, MOV, WMV and other file formats from a URL or from your computer.

onlineconverter  video compressor

Online Converter lets you choose the final size of the video you are compressing and it offers a number of audio quality options. You should keep in mind that reducing a file’s size too much can cause the compression process to fail, and avoid compressing videos more than you need to. In addition, you can use Online Converter’s Resize Video tool to reduce the size of your videos online.


  • Supports a broad range of video file formats
  • Smooth upload
  • Allows users to set the desired output video size directly


  • Doesn’t let users choose the file format of the output video
  • No support for encrypted video files
  • The slow video compression process
  • File size limits to 200MB

6. PS2PDF Online MP4 Video Compressor

Price: Free

Compressing a video file with this web-based video compressor can be completed in three simple steps in this tool. You can upload a file from a computer or use Dropbox or Google Drive for faster upload speeds and then proceed to select the output codec. As its names suggest this online video compressor can only create output video files in MP4 file format.

ps2pdf  online video compressor

There are several ways to reduce the size of a file with PS2PDF, so you can choose if you want to shrink videos by percentage, preset quality, variable bitrate or by using the constant bitrate. Opting for slower compression speeds will enable you to preserve the quality of a video while speeding up the compression process is going to save you time, but it may result in poor output video quality.


  • Quick upload speeds from Google Drive and Dropbox
  • No video file size limitations
  • Offers several different compression methods
  • Allows users to adjust the dimensions of the output video


  • Supports just MP4 output file format
  • No file sharing features
  • The quality of the output video depends on the speed of the compression process

7. Zamzar

Price: Free, pricing plans start at $9,00 per month

Zamzar is a file conversion platform that lets change formats of videos, images, documents or audio files. Additionally, you can also choose from a variety of video presets that enable you to prepare your video files for the use on Vimeo, YouTube platforms, Smartphones, and other devices.

zamzar  online video compressor

To compress a video file with Zamzar you just have to upload it to the platform via the URL or directly from your computer. Afterward, you must select the output video file format from the Convert To drop-down menu and click on the Convert button to start compressing a video. How much you are going to compress a video depends on the video file format you selected.


  • Supports more than a thousand file formats
  • The smooth file conversion process
  • Unlimited daily file conversions
  • Online storage space is included in all pricing packages


  • Offers basic file compression features
  • The free version of Zamzar provides only limited file conversion options
  • The maximum file size of a video file you can convert with Zamzar depends on the subscription model you have

8. CloudConvert

Price: Free, subscriptions start at $8,00 per month

Converting audio, video or image files with CloudConvert is easy. The platform offers several different upload options that allow you to import files from a URL, Google Drive or OneDrive. There are over 200 file formats to choose from, which enables you to select the output video file format that best meets your needs.

cloudconvert online video compressor

CloudConvert lets you change a video’s resolution, its aspect ratio, the number of frames per second and bitrate. Moreover, you can adjust the audio settings for each video you compress, so you can either remove a video’s audio entirely or fine-tune its bitrate or frequency.


  • Powerful video and compression tools
  • Support a broad range of video files
  • Excellent batch processing options
  • Lets you save files to your Dropbox account after the compression is completed


  • The free version of CloudConvert has a 1GB file limit
  • You must purchase one of the pricing plans if you want to convert more than five files in a row
  • Prices of subscription models depend on conversion minutes

9. ConvertFiles Online File Converter

Price: Free

ConvertFiles isn’t the most powerful video compressor you can find on the market, but it can cater to the needs of most non-professional users. Its greatest advantage is that supports hundreds of presentation, eBook, drawing, image, audio, and video file formats. This enables you to change the file format of virtually any picture, sound recording, video clip or a document.

convertfiles online video compressor

To start converting a video file you just have to import it to the platform and then choose the output video file format you want. However, you won’t be able to convert or compress video files that are larger than 250MB with the ConvertFiles platform.


  • The simple file conversion process
  • Supports a broad spectrum of audio, image and video file formats
  • Lets users import videos via URL
  • No watermark on converted videos


  • Maximum video file size limited to 250MB
  • The file conversion process is slow
  • Provides only basic file compression tools

10. Clideo

Price: Free, pricing plans start at $6,00 per month

Clideo is a web-based video editing app that lets you perform basic video editing tasks with ease. Besides trimming, rotating or merging videos you can also use Clideo to compress video files. After you sign-in to the platform through your Google or Facebook account you just have to click on the Compress Video option.

clideo online video compressor

You can then upload a video file from your computer, Google Drive, Dropbox or via URL and Clideo will set all the compression parameters automatically. The free version of Clideo watermarks all videos you compress with it, and you have to opt for a subscription plan if you want to edit your videos or remove watermarks from them after the compression process is completed.


  • Offers several methods of reducing the size of video files
  • Provides video editing tools
  • The easy sign-in process through Facebook or Google
  • The quick video compression process


  • The automatic video compression process
  • Choosing the output video file format is not possible
  • The free version of Clideo watermarks videos


The size of a video you recorded with your digital camera or a Smartphone can sometimes prevent you from sharing them with your friends and colleagues. You can solve this problem by using any of the free online video compressors we featured in this article. Which free online video compressor are you going to choose? Leave a comment below and share your opinions with us.

Online Video Compressor Max Video Size Supported formats Batch Conversion Options Watermark
Clipchamp Unlimited MOV, MP4, AVI... No Yes
AConvert 200MB FLV, MOV, MP4... Yes No Online Uniconverter 100MB MOV, MP4, FLV No No
YouCompress Unlimited MP4, JPEG, GIF... No No
Online Converter Unlimited AVI, FLV, MP4... No No
PS2PDF Online MP4 Video Compressor Unlimited MP4 Yes No
Zamzar 150MB MP4, DOCX, JPEG... Yes No
Cloud Convert 1GB MP4, DOCX, JPEG... Yes No
Convert Files 250MB MP4, DOCX, JPEG... No Yes
Clideo 500MB MOV, MP4, AVI... No Yes

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author avatar
Ollie Mattison
Ollie Mattison is a writer and a lover of all things video.
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