Batch AVIF Converter
Convert to and from AVIF. Dramatically smaller files, excellent quality.
AVIF saves 30–50% file size versus JPEG at equal visual quality. Batch convert thousands of images in either direction.
Download Free — 30-Day Trial, No Credit CardNext-gen format support. $129 one-time. No subscription.
How It Works
Add your images
Drag & drop files or entire folders
Choose direction & quality
To AVIF or from AVIF, set quality level and output format
Convert
All outputs ready in minutes
AVIF vs. WebP vs. JPEG
| Format | Typical Size | Quality | Transparency |
|---|---|---|---|
| JPEG | 100% (baseline) | Good | No |
| WebP | 25–35% smaller | Equal or better | Yes |
| AVIF | 30–50% smaller | Equal or better | Yes |
Works Both Ways
To AVIF
Optimize your images with the most efficient format available. Convert JPEG, PNG, or WebP to AVIF for maximum compression with excellent quality.
From AVIF
Need to edit or share AVIF files? Convert them back to JPEG, PNG, or TIFF for full compatibility with any editor or platform.
Before & After
Before Contenta
Large JPEG and PNG images take up too much space. AVIF files cannot be opened in older software. Manual conversion one file at a time.
After Contenta
Drop entire folders, get optimized AVIF files in minutes. Or convert AVIF back to JPEG/PNG for compatibility. One tool, both directions.
What Our Users Say
“I have been using Contenta Converter for years and it has saved me countless hours of work. Highly recommended!”
“Simple, fast, and does exactly what it promises. The batch processing is incredibly efficient.”
“Best image converter I have found. The RAW support and metadata handling are top-notch.”
Published by ContentaSoft, Umea, Sweden — developer of Contenta Converter PREMIUM.
Contenta Converter PREMIUM is a desktop application for Windows that batch converts, resizes, renames, watermarks, and processes images in 60+ formats including JPEG, PNG, WebP, HEIC, TIFF, RAW, and PDF.
This software contains no adware, spyware, toolbars, or bundled third-party programs. The installer installs only Contenta Converter PREMIUM.
All images are processed locally on your computer. No files are uploaded to any server. The software does not collect personal data.
Free 30-day trial with full functionality. After the trial, a license key is required. Lifetime license: $129 (one-time payment, no subscription).
How to Uninstall
Open Windows Settings > Apps > Installed apps, find "Contenta Converter PREMIUM" in the list, and click Uninstall. You can also run the uninstaller from the installation folder or use Control Panel > Programs and Features.
Download size: ~2 MB (web installer). Additional components are downloaded during installation (~150 MB total).