Skip to main content
1CONVERTER - Free Online File Converter
1CONVERTER
ToolsCompressPricingBlogAPI
English version中文 (简体) versionEspañol versionहिन्दी versionFrançais versionالعربية versionPortuguês versionРусский versionDeutsch version日本語 version
LoginSign Up
1CONVERTER - Free Online File Converter Logo1CONVERTER

The fastest and most secure file converter. Convert documents, images, videos, audio and more.

Product

  • Features
  • Pricing
  • Tools
  • API Docs
  • Batch Convert
  • Compress

Company

  • About Us
  • Blog
  • Contact
  • Compare Tools

Popular

  • PDF to Word
  • JPG to PNG
  • MP4 to MP3
  • PNG to JPG
  • Word to PDF
  • WebP to PNG

Support

  • FAQ
  • Privacy Policy
  • Terms of Service
  • Cookie Policy
  • PDF Tools
  • Image Tools

© 2026 1CONVERTER. All rights reserved

PrivacyTermsCookies
🍪

Cookie Settings

We use cookies to enhance your browsing experience, serve personalized content, and analyze our traffic. By clicking 'Accept All', you consent to our use of cookies.Learn more

HomeToolsHistoryProfile
  1. Home
  2. AVI to FLV
1CONVERTER Media Team - 1CONVERTER Team Logo
1CONVERTER Media Team·Audio & Video Specialists·Updated Mar 15, 2026
Official
format_quote

How AVI to FLV Conversion Works

Converting AVI files to FLV format allows you to open, share, and use your content in applications that support FLV but not AVI. AVI and FLV differ in their internal data structure, compression method, and software ecosystem. The conversion process reads the binary or text content of the source AVI file, transforms the data into the FLV encoding scheme, and writes the result as a new file. Where possible, metadata such as creation date, author, and embedded colour profiles is preserved in the output. Quality and fidelity depend on how closely the two formats share structural features — conversions between formats in the same category (e.g., two image formats or two document formats) generally preserve content more completely than cross-category conversions. 1converter processes AVI-to-FLV conversions server-side: files are uploaded over HTTPS, converted on secure cloud infrastructure, and the output is ready to download within seconds. Converted files are automatically deleted after 24 hours.

format_list_bulleted

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

AVI to FLVConverter — 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
check_circle100% Free
shield_lockedSecure & Private
boltFast Conversion
verifiedNo Registration

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

upload
2

Step 2

Choose FLV as output format

tune
3

Step 3

Adjust quality and conversion settings if needed

bolt
4

Step 4

Click Convert to process your file

cloud_done
5

Step 5

Download your converted FLV file

verified

Average conversion time: Less than 2 minutes

Visual Conversion Preview

videocam
avi

Source file

Size:2.4 MB
Format:AVI
bolt

Converting...

~5s

videocam
flv

Output file

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

This visualization shows the typical conversion process from AVI to FLV format, including expected size reduction and quality retention.

tune

Choose Your Conversion Quality

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

bolt

conversionPage.qualityLow

conversionPage.qualityLowDesc

File Size:conversionPage.fileSizeVerySmall
Speed:conversionPage.speedVeryFast
Quality Level
Recommended
tune

conversionPage.qualityMedium

conversionPage.qualityMediumDesc

File Size:conversionPage.fileSizeMedium
Speed:conversionPage.speedFast
Quality Level
target

conversionPage.qualityHigh

conversionPage.qualityHighDesc

File Size:conversionPage.fileSizeLarge
Speed:conversionPage.speedModerate
Quality Level
workspace_premium

conversionPage.qualityMaximum

conversionPage.qualityMaximumDesc

File Size:conversionPage.fileSizeVeryLarge
Speed:conversionPage.speedSlow
Quality Level

tips_and_updatesQuality 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.

Why Convert AVI to FLV?

Discover the advantages of converting your AVI files to FLV format

auto_awesome

Preserve audio tracks during conversion

auto_awesome

No software installation needed for AVI to FLV

auto_awesome

AVI offers no quality loss option

auto_awesome

FLV streaming-ready output

auto_awesome

FLV provides small size

Additional Features

243+
Supported Formats
<2 min
Average Time
24/7
Available
videocam

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.

videocam
2

Archiving with FLV output

Convert AVI to FLV for this purpose quickly and easily.

videocam
3

Archiving AVI footage as FLV

Convert AVI to FLV for this purpose quickly and easily.

videocam
4

YouTube uploads from AVI recordings

Convert AVI to FLV for this purpose quickly and easily.

videocam
5

Mobile-friendly FLV video

Convert AVI to FLV for this purpose quickly and easily.

videocam

Trusted by Professionals In

code
Web Development
palette
Graphic Design
edit_note
Content Creation
business_center
Business
bolt

Related Conversions

Explore other popular file conversion options

AVITS

Convert AVI to TS

Online AVI to TS converter. Fast, free, and secure conversion.

Convert Now
AVIMKV

Convert AVI to MKV

Online AVI to MKV converter. Fast, free, and secure conversion.

Convert Now
MTSFLV

Convert MTS to FLV

Online MTS to FLV converter. Fast, free, and secure conversion.

Convert Now
M2TSFLV

Convert M2TS to FLV

Online M2TS to FLV converter. Fast, free, and secure conversion.

Convert Now
FLVAVI

Convert FLV to AVI

Online FLV to AVI converter. Fast, free, and secure conversion.

Convert Now

Can't Find Your Conversion?

We support 243+ file formats. Browse our complete list of conversions or start converting now!

Start ConvertingView All Formats
auto_stories

Learn More About File Conversion

Helpful guides and tutorials related to AVI and FLV conversions

menu_book
trending_upPopular

MP4 vs AVI: Compatibility vs Quality [Video Format Guide]

schedule5 min read
Read Article
menu_book

How to Compress Video Files for Email/WhatsApp [2025 Complete Guide]

schedule15 min read
Read Article
menu_book

PDF to Word Converter: Best Methods in 2026 (Convert PDF to DOCX Reliably)

schedule10 min read
Read Article
menu_book

How to Convert HEIC to JPG: Complete Guide (iPhone Photos to Universal Format)

schedule10 min read
Read Article
Browse All Articles