AVI
→
FLV

Convert AVI to FLV Online

Convert AVI to FLV online. Start with free daily conversions, no install, no watermarks, and visible job status.

AVI to FLV Converter

Upload your AVI file to convert it to FLV format

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How to Convert AVI to FLV

Follow these simple steps

1

Step 1: Upload Your File

Upload your AVI file by dragging and dropping or clicking to browse

2

Step 2: Select Output Format

FLV is automatically selected as the output format

3

Step 3: Start Conversion

Click the Convert button to start the conversion

4

Step 4: Download Result

Download your converted FLV file when ready

Convert AVI to FLV - Complete Guide

Converting AVI to FLV stays in the video file family but changes the traits that decide size, quality, transparency, editability, or device support. AVI is a legacy video container format used by Windows tools and older media workflows. FLV is a video format. Flash video. Below is what actually changes in a AVI→FLV conversion, what is preserved, and when FLV is the better choice than keeping AVI.

What changes when you convert AVI to FLV

  • The video is re-encoded into the FLV format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.
  • Expect a smaller output file: FLV is typically more space-efficient than AVI for the same content.

About the AVI format

AVI (Audio Video Interleave) is a classic video format developed by Microsoft. While widely compatible, modern formats offer better compression. Our converter updates your AVI files.

  • Full name: Audio Video Interleave
  • Developer: Microsoft
  • Compression: Various (DivX, XviD, uncompressed)
  • Opens with: VLC, Windows Media Player

Where AVI is strong: plays in legacy Windows tools; can store high-quality or uncompressed video.

Typical AVI uses: legacy Windows video, older editing workflows.

About the FLV format

FLV (Flash Video) was popular for web video before HTML5. Our converter transforms legacy FLV files to modern, widely-compatible formats.

  • Full name: Flash Video
  • Developer: Adobe
  • Compression: H.263/VP6 (Video), MP3/AAC (Audio)
  • Opens with: VLC, FFmpeg

Where FLV is strong: small files that streamed efficiently in the Flash era; once the standard for online video.

Typical FLV uses: legacy Flash web video, older online video archives.

What FLV keeps

  • FLV adds: small files that streamed efficiently in the Flash era.

Things to watch out for

  • One FLV limitation to keep in mind: relies on the discontinued Flash Player.

When to convert AVI to FLV

  • Convert AVI to FLV for legacy Flash web video.
  • Convert AVI to FLV for older online video archives.
  • Pick FLV when you need once the standard for online video.

AVI vs FLV — format comparison

A quick side-by-side of the structural differences between AVI and FLV, so you can confirm this is the right conversion for your file:

AttributeAVIFLV
TypeVideo fileVideo file
CompressionFlexible (lossy or lossless)Lossy
Web-friendlyNoNo
Typical file sizeLargeSmall
Best forlegacy Windows videolegacy Flash web video

Privacy & Security

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Need the opposite conversion?

Convert FLV to AVI

Other AVI Conversions

More formats you can convert AVI to

Convert AVI to MP4Convert AVI to WEBMConvert AVI to MOVConvert AVI to MKVConvert AVI to MP3Convert AVI to WMVConvert AVI to 3GPConvert AVI to MPEGConvert AVI to MPGConvert AVI to TSConvert AVI to OGVConvert AVI to 3G2Convert AVI to ASFConvert AVI to M4VConvert AVI to AACConvert AVI to WAVConvert AVI to OGGConvert AVI to FLACConvert AVI to M4AConvert AVI to WMAConvert AVI to AIFFConvert AVI to OPUS
View all AVI conversions →

Convert to FLV

Other formats you can convert to FLV

Convert MP4 to FLVConvert MOV to FLVConvert WEBM to FLVConvert MKV to FLVConvert M4V to FLVConvert WMV to FLVConvert 3GP to FLVConvert 3G2 to FLVConvert MPEG to FLVConvert MPG to FLVConvert TS to FLVConvert MTS to FLVConvert M2TS to FLVConvert VOB to FLVConvert OGV to FLVConvert ASF to FLV
View all FLV conversions →

Popular Related Conversions

Convert AVI to MP4Convert AVI to MP3

AVI to FLV FAQ

Converting AVI to FLV preserves the content faithfully; output also depends on the source file and any settings you choose.
Upload your AVI file, confirm FLV as the output format, and click Convert. Job status is shown while the file is processed, then you can download the FLV result.
Yes. You can start with free daily conversions, with no signup required for your first jobs and no watermarks on the output. Accounts and paid plans are available for higher-volume work.
No. The AVI to FLV conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
AVI (Audio Video Interleave) is a video file format. AVI files can be played with various video players and media applications.
Upload your AVI video to the converter, select your desired output format, and click Convert. The job status appears while the video is processed.
You can start with free daily conversions. Accounts and paid plans are available for higher-volume work, and downloaded files are not watermarked.
You can convert AVI to proof-backed video containers such as MP4, WEBM, MOV, AVI, MKV, FLV, WMV, 3GP, OGV, ASF, plus audio outputs like MP3, WAV, AAC, FLAC, M4A, WMA, AIFF, and OPUS.
Yes! Our AVI converter works on any device including smartphones and tablets.
Choose the output setting that fits your file-size and playback needs. Re-encoding can change quality depending on codec and bitrate.

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