FLV
→
AVI

Convert FLV to AVI Online

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

FLV to AVI Converter

Upload your FLV file to convert it to AVI format

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How to Convert FLV to AVI

Follow these simple steps

1

Step 1: Upload Your File

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

2

Step 2: Select Output Format

AVI 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 AVI file when ready

Convert FLV to AVI - Complete Guide

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

What changes when you convert FLV to AVI

  • The video is re-encoded into the AVI format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.
  • Expect a larger output file: AVI stores FLV content with less aggressive compression.

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.

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.

What AVI keeps

  • AVI adds: plays in legacy Windows tools.

Things to watch out for

  • One AVI limitation to keep in mind: large files.

When to convert FLV to AVI

  • Convert FLV to AVI for legacy Windows video.
  • Convert FLV to AVI for older editing workflows.
  • Pick AVI when you need can store high-quality or uncompressed video.

FLV vs AVI — format comparison

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

AttributeFLVAVI
TypeVideo fileVideo file
CompressionLossyFlexible (lossy or lossless)
Web-friendlyNoNo
Typical file sizeSmallLarge
Best forlegacy Flash web videolegacy Windows video

Privacy & Security

Files are handled for the conversion you request. Uploads and downloads use HTTPS/TLS, and temporary files are cleared after the processing and deletion window.

Add this FLV to AVI converter to your site

Put a working FLV to AVI converter on your own blog or website — free to embed. Both options below include a small link back to FreeFastConverter.

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Paste this where you want a live converter. Visitors can convert FLV to AVI without leaving your page:

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Need the opposite conversion?

Convert AVI to FLV

Other FLV Conversions

More formats you can convert FLV to

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

Convert to AVI

Other formats you can convert to AVI

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

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FLV to AVI FAQ

Converting FLV to AVI preserves the content faithfully; output also depends on the source file and any settings you choose.
Upload your FLV file, confirm AVI as the output format, and click Convert. Job status is shown while the file is processed, then you can download the AVI 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 FLV to AVI conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
FLV (Flash Video) is a video file format. FLV files can be played with various video players and media applications.
Upload your FLV 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 FLV 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 FLV 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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