將 FLV 轉換為 AVI

Free online FLV to AVI converter. Fast, secure, no signup required.

12.9K+ files converted

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Accepted: FLV files · Max 100 MB per file

flv avi

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Need to convert FLV to AVI? MegaConvert makes it easy. Upload your Flash Video (FLV) file and get a Audio Video Interleave (AVI) file in seconds — no software to install, no signup required. Whether you need this conversion for social media, video editing, device compatibility, web streaming / archival, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert FLV to AVI Online

1
Upload your FLV file
Click the upload area or drag and drop your FLV file. Files up to 25MB are free. Larger files are supported with pay-per-use.
2
Choose AVI as output format
AVI is automatically selected on this page. You can adjust conversion settings if needed.
3
Click Convert
Hit the Convert button to start processing. Your file will be converted using our high-performance servers.
4
Download your AVI file
Once conversion is complete, click Download to save your new AVI file. Free files are available for 1 hour.

Why Convert FLV to AVI?

**Modernize your files** — FLV is an older format. Converting to AVI ensures better compatibility with current software and devices.
**Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
**Software requirements** — Your software or platform may require AVI format specifically. Converting ensures full compatibility.

FLV vs AVI — Format Comparison

Feature	FLV	AVI
Full Name	Flash Video	Audio Video Interleave
Developer	Adobe Systems (Macromedia)	Microsoft
First Released	2003	1992
Category	Video	Video
Extension	.flv	.avi
MIME Type	video/x-flv	video/x-msvideo

Re-encoding video may reduce quality. Use MKV for lossless container conversion.

About FLV Format

Flash-based video format once dominant for web video streaming, now largely replaced.

Full name: Flash Video

Developer: Adobe Systems (Macromedia) (2003)

About AVI Format

Classic Windows video container format supporting various codecs with large file sizes.

Full name: Audio Video Interleave

Developer: Microsoft (1992)

常見問題

Upload your FLV file to MegaConvert.io, select AVI as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.

Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.

Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.

Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.

Flash-based video format once dominant for web video streaming, now largely replaced. Developer: Adobe Systems (Macromedia) (2003).

Classic Windows video container format supporting various codecs with large file sizes. Developer: Microsoft (1992).

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