Convert AVI to FLV online in seconds — free, with no sign-up. Your files are encrypted and deleted automatically after 24 hours.
AVI
Audio Video Interleave — An older Microsoft container with large file sizes and limited modern support.
How to convert AVI to FLV
- 1Upload your AVI file
Click “Choose a file” or drag and drop your AVI file onto the page — no sign-up or email needed.
- 2Convert to FLV
FLV is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your FLV file
Your FLV file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
Frequently asked questions
Does converting AVI to FLV lose quality?
Converting AVI to FLV keeps your content intact. We use high-quality defaults so your FLV file looks as close to the original as the format allows.
Is the AVI to FLV converter free?
Yes — converting AVI to FLV is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my AVI files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert AVI to FLV on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert AVI to FLV?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert AVI files to?
Besides FLV, you can convert AVI to AAC, FLAC, GIF, JPG, M4A, MKV and more — see the full list of AVI conversions below.
Other conversions
Last updated July 2026