Convert AVI to FLV

Transform your classic microsoft video container into FLV format. Free, private, and browser-based.

How it works

  1. Upload AVI Files — Drag and drop your AVI files into the converter, or click to browse. Common sources: older cameras, windows applications.
  2. Convert to FLV — The converter processes your files to FLV format entirely in your browser. No files are uploaded to any server — your privacy is guaranteed.
  3. Download Results — Download your converted FLV files instantly. For multiple files, download individually or as a ZIP archive.

Why convert AVI to FLV

  • Make AVI files accessible on macOS, Linux, and mobile devices
  • Significantly reduce file size — FLV files are much smaller than AVI
  • Leverage FLV advantages: small file sizes
  • Overcome AVI limitations: very large files

FAQ

Is AVI to FLV conversion free?
Yes, Fileza.io converts AVI to FLV completely free with no limits on file size or number of conversions. No hidden fees, no watermarks, and no account required.

Will I lose quality converting AVI to FLV?
Both AVI and FLV use lossy compression. Output quality is excellent at high quality settings (85%+) — most people cannot see any difference.

Is it safe to convert AVI to FLV online?
Absolutely. Unlike most online converters, Fileza.io processes your files entirely in your browser using WebAssembly. Your AVI files are never uploaded to any server — the conversion runs on your own device, keeping your files 100% private.

Can I convert multiple AVI files to FLV at once?
Yes, Fileza.io supports batch conversion. Drag and drop multiple AVI files at once and they will all be converted to FLV simultaneously. Download them individually or as a ZIP archive.

Does AVI to FLV conversion work on mobile?
Yes, the converter works on any device with a modern web browser — iPhones, iPads, Android phones, and tablets. No app installation required.

Will the converted FLV files be smaller or larger than AVI?
Yes, FLV files are typically much smaller than AVI. You can expect significant file size reduction, often 50-90% smaller depending on content and quality settings.

How long does AVI to FLV conversion take?
Most conversions complete in seconds. The exact time depends on file size and your device performance. Since processing happens locally in your browser, faster devices convert more quickly. Video files may take longer due to re-encoding.