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 MP4
1CONVERTER Media Team - 1CONVERTER Team Logo
1CONVERTER Media Team·Audio & Video Specialists·Updated Mar 15, 2026
Official
format_quote

How AVI to MP4 Conversion Works

Converting AVI files to MP4 format allows you to open, share, and use your content in applications that support MP4 but not AVI. AVI and MP4 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 MP4 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-MP4 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.

videocam

AVI vs MP4

AVI → MP4

Source Format

AVI

Quality:good
File Size:large
Compatibility:wide

Advantages

  • Wide support
  • Good quality

Disadvantages

format_list_bulleted

Frequently Asked Questions

Everything you need to know about converting AVI to MP4

AVI is an old format that often uses minimal compression. MP4 uses modern codecs (H.264/H.265) for much better compression.
With proper encoding settings, quality loss is minimal while achieving significant file size reduction.
Typically 50-70% smaller. A 1GB AVI might become 300-500MB MP4 with similar or better visual quality.

Still Have Questions?

Our support team is here to help you with any questions about AVI to MP4 conversion.

Contact SupportView All FAQs
  • Very large files
  • Outdated format
Target Format

MP4

Quality:excellent
File Size:medium
Compatibility:universal

Advantages

  • Best compatibility
  • Good compression
  • HD support

Disadvantages

  • Lossy compression
  • Can be large for HD

AVI → MP4

Converting from AVI to MP4 helps you leverage the strengths of MP4while working with your existing AVI files. This conversion is ideal when you need better quality.

Popular

AVI to MP4Converter — Fast & Free Online

Convert legacy AVI videos to modern MP4 format for better compression and universal compatibility.

FromAVIToMP4
Convert AVI to MP4 Now
check_circle100% Free
shield_lockedSecure & Private
boltFast Conversion
verifiedNo Registration

How to Convert AVI to MP4

Follow these simple steps to convert your AVI files to MP4 format in seconds

1

Step 1

Upload your AVI video file

upload
2

Step 2

Select MP4 as output format

tune
3

Step 3

Choose quality preset

bolt
4

Step 4

Click "Convert"

cloud_done
5

Step 5

Download your MP4 video

verified

Average conversion time: Less than 2 minutes

Visual Conversion Preview

videocam
avi

Source file

Size:2.4 MB
Format:AVI
bolt

Converting...

~2s

videocam
mp4

Output file

Size:1.0 MB
Saved:-60%
60%
Size Reduction
2s
Processing Time
95%+
Quality Retained

This visualization shows the typical conversion process from AVI to MP4 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 MP4 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 MP4?

Discover the advantages of converting your AVI files to MP4 format

auto_awesome

Smaller file size

MP4 is 50-70% smaller than AVI

auto_awesome

Better quality

Modern compression technology

auto_awesome

Universal compatibility

Play on all modern devices

auto_awesome

Streaming optimized

Perfect for online video

auto_awesome

Edit-friendly

Works with all video editors

Additional Features

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

Popular Use Cases

See how professionals use our AVI to MP4 converter in real-world scenarios

1

Modernizing old video collections

Convert AVI to MP4 for this purpose quickly and easily.

videocam
2

Reducing storage usage

Convert AVI to MP4 for this purpose quickly and easily.

videocam
3

Uploading videos to social media

Convert AVI to MP4 for this purpose quickly and easily.

videocam
4

Playing on mobile devices

Convert AVI to MP4 for this purpose quickly and easily.

videocam
5

Streaming videos online

Convert AVI to MP4 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

MP4AVI

Convert MP4 to AVI

Online MP4 to AVI 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
AVIMOV

Convert AVI to MOV

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

Convert Now
WMVMP4

Convert WMV to MP4

Online WMV to MP4 converter. Fast, free, and secure conversion.

Convert Now
MPEGMP4

Convert MPEG to MP4

Online MPEG to MP4 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 MP4 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

MP4 vs MKV: Complete Video Format Comparison for Quality and Compatibility 2025

schedule5 min read
Read Article
menu_book

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

schedule10 min read
Read Article
Browse All Articles