FLV Compressor – Online & Free

Upload your file.
Select the compression option.
Click the Compress button.

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Compress FLV files online for free

FLV, or Flash Video, was the format that powered streaming video across the web during the Flash era, using efficient compression to deliver clips quickly over the internet. Countless tutorials, recordings, and archived web videos still live in FLV. Because so much legacy content exists in this format, and because longer videos can grow large, compressing FLV files is often useful for storage and sharing.

When an FLV file is too large to keep or send, the Movavi compressor lets you compress FLV online without installing anything. It’s free, the whole process happens in your current browser tab, and it takes three steps: upload your video, choose your settings, and download. You can reduce FLV file size for archiving, email, cloud storage, or re-uploading elsewhere. This free FLV compressor keeps the footage watchable while cutting the megabytes, and it handles long clips smoothly. With adjustable resolution and bitrate, Movavi acts as a reliable FLV size reducer online that lets you shrink an FLV file without throwing away the detail you want to preserve.

How to reduce FLV size with our online compressor

Add your file to the tool

Click Add Your Media and choose the video for compressing. Remember that your file shouldn’t be larger than 500 MB.

Choose the compressing option

Select the level of compression according to your needs.

Save the compressed file

Choose an export option in the appeared window and save your video.

Reasons to use the online FLV compressor from Movavi

Beginner-friendly

You don’t have to be a video-editing pro – the compression process is as simple as possible.

Guaranteed security

Your files are safe and secure with us – no third parties have access to them.

Online tool

Work right in your browser – no additional desktop programs or plug-ins needed.

Helpful interface

Our FLV size reducer has an interface so simple and understandable that you’ll learn how to use it in seconds.

Different compression levels

You can choose from 3 compression options depending on what you want to get: a better quality or a smaller output file.

Free saving

Choose from different export options: save your FLV file for free with a watermark or select another variant.

What is an FLV file?

Full name

Flash Video

Format type

Video

Developed by

Macromedia / Adobe

Description

Container for video streamed over the internet via Flash Player

File extension

.flv (also .f4v)

Technical details

Uses Sorenson Spark, VP6, or H.264 video with MP3 or AAC audio

Associated programs

VLC, MPC-HC, legacy Adobe^® Flash^® Player

Frequently asked questions

Is the FLV format still used?

Flash is retired, but plenty of older web videos remain in FLV, so compressing or converting them is still common for archiving and reuse.

Can I compress FLV without installing software?

Yes. Movavi’s compressor runs in your browser, so you can shrink an FLV file with nothing to download.

Will compressing FLV reduce its quality?

You control resolution and bitrate, so the trade-off is yours. Moderate compression usually keeps the video looking fine.

Should I convert FLV to a modern format?

If you want broad compatibility, converting to MP4 is a good option, and Movavi can both compress and convert your files.

Movavi Video Converter

The ideal way to get your media in the format you need!

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