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AVI to FLV Converter — Fast & Free | 1converter
  1. Home
  2. AVI to FLV

AVI to FLV Converter — Fast & Free Online

Secure AVI to FLV conversion with automatic file deletion. Your privacy is our top priority. FLV format offers small size.

FromAVIToFLV
Convert AVI to FLV Now
100% Free
Secure & Private
Fast Conversion
1CONVERTER Media Team - 1CONVERTER Team Logo
1CONVERTER Media Team·Audio & Video Specialists·Updated Mar 15, 2026
Official

How to Convert AVI to FLV

Follow these simple steps to convert your AVI files to FLV format in seconds

1

Step 1

Upload your AVI file

2

Step 2

Choose FLV as output format

3

Step 3

Adjust quality and conversion settings if needed

Visual Conversion Preview

avi

Source file

Size:2.4 MB
Format:AVI

Converting...

~5s

flv

Output file

Choose Your Conversion Quality

Select the perfect balance between quality and file size for your AVI to FLV conversion

Low Quality

Smallest file size, faster conversion

File Size:Very Small
Speed:Very Fast
Quality Level
Recommended

Why Convert AVI to FLV?

Discover the advantages of converting your AVI files to FLV format

Preserve audio tracks during conversion

No software installation needed for AVI to FLV

AVI offers no quality loss option

Popular Use Cases

See how professionals use our AVI to FLV converter in real-world scenarios

1

Webinar recordings in FLV

Convert AVI to FLV for this purpose quickly and easily.

2

Archiving with FLV output

Convert AVI to FLV for this purpose quickly and easily.

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AVI

Frequently Asked Questions

Everything you need to know about converting AVI to FLV

Yes, our basic AVI to FLV conversion is completely free. No registration required. Premium plans offer larger file sizes and batch processing.
AVI (Audio Video Interleave) is Microsoft's classic video container format. It was introduced in 1992 by Microsoft.
For FLV, H.264 offers the best compatibility, while H.265/HEVC provides better compression at similar quality. Choose based on your playback device support.
AVI has some limitations: Large files, Limited codec support. Converting to FLV can help overcome some of these limitations.
Free users can convert AVI files up to 10 MB. Pro plan supports up to 200 MB, and Business plan supports up to 500 MB per file.
No software installation needed. Our AVI to FLV converter works entirely in your web browser on any device - desktop, tablet, or mobile.

Still Have Questions?

Our support team is here to help you with any questions about AVI to FLV conversion.

Contact SupportView All FAQs
No Registration
4

Step 4

Click Convert to process your file

5

Step 5

Download your converted FLV file

Average conversion time: Less than 2 minutes

Size:0.7 MB
Saved:-69%
69%
Size Reduction
5s
Processing Time
95%+
Quality Retained

This visualization shows the AVI to FLV conversion process. A source AVI file of 2.4 MB is converted to FLV format resulting in 69% file size reduction while retaining 95%+ quality. The conversion takes approximately 5s.

Medium Quality

Balanced quality and size

File Size:Medium
Speed:Fast
Quality Level

High Quality

Better quality, larger files

File Size:Large
Speed:Moderate
Quality Level

Maximum Quality

Best quality, largest files

File Size:Very Large
Speed:Slow
Quality Level

Quality Selection Tips

When to use Low/Medium:

  • •Web uploads and social media sharing
  • •Email attachments with size limits
  • •Quick previews and thumbnails

When to use High/Maximum:

  • •Professional printing and publishing
  • •Archive and long-term storage
  • •When quality is more important than size

Video Tip: Medium quality is ideal for web streaming. Use High or Maximum for videos you plan to edit further or archive.

FLV streaming-ready output

FLV provides small size

Additional Features

200+
Supported Formats
243+
File Formats
<2 min
Average Time
24/7
Available
3

Archiving AVI footage as FLV

Convert AVI to FLV for this purpose quickly and easily.

4

YouTube uploads from AVI recordings

Convert AVI to FLV for this purpose quickly and easily.

5

Mobile-friendly FLV video

Convert AVI to FLV for this purpose quickly and easily.

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Can't Find Your Conversion?

We support 200+ file formats. Browse our complete list of conversions or start converting now!

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