Back to Collections

Modern Image Format Converters

Convert modern image formats including iPhone HEIC, next-gen AVIF, and web-optimized WebP to universal JPG and PNG formats. Essential converters for maximum compatibility across all devices and platforms.

7 min read
Updated December 2024

Modern image formats like HEIC (iPhone photos), AVIF (next-generation compression), and WebP (web optimization) offer superior quality and smaller file sizes, but compatibility remains a challenge. These specialized converters help you transform cutting-edge image formats into universal JPG and PNG files that work everywhere.

Perfect for iPhone users sharing photos, web developers optimizing images, and anyone working with modern image formats. Convert HEIC photos from your iPhone for Windows compatibility, transform AVIF images for older browsers, or switch between WebP and traditional formats. All conversions happen in your browser with privacy protection and no file size limits.

How to Use These Tools

Step-by-step guidance and best practices for getting the most out of this collection

Modern image formats solve specific problems but create compatibility challenges. HEIC is Apple's default format for iPhone photos, offering excellent quality at smaller file sizes, but Windows and many Android devices can't open HEIC files natively. Converting HEIC to JPG or PNG ensures your photos work everywhere.

AVIF is the newest format, providing better compression than WebP and JPG while maintaining high quality. However, older browsers don't support AVIF, making conversion necessary for wider distribution. AVIF to JPG conversion works for maximum compatibility, while AVIF to PNG preserves transparency if needed.

WebP sits between traditional and cutting-edge formats. Created by Google, it offers better compression than JPG and supports transparency like PNG. Most modern browsers support WebP, but older systems and some applications don't. Converting WebP to JPG or PNG ensures compatibility, while converting JPG/PNG to WebP optimizes images for modern web performance.

When converting from HEIC or AVIF to JPG, you'll lose some quality due to JPG's lossy compression, but the difference is often imperceptible. Choose PNG as your target format if you need transparency support or want to preserve maximum quality, though file sizes will be larger.

For web projects, consider your audience's browser usage. If targeting modern browsers, WebP and AVIF offer significant performance benefits. If supporting older browsers or international audiences with slower internet, convert to JPG for universal compatibility and reasonable file sizes.

All these tools process images locally in your browser, meaning your photos never leave your device. This is especially important when converting personal iPhone photos or sensitive images. Batch conversion workflows let you convert multiple images efficiently, maintaining consistent quality settings across all files.

Popular Workflows

Common ways professionals use these tools together

iPhone Photo Sharing

  1. 1

    Convert iPhone photos to JPG for universal compatibility

    HEIC to JPG Converter

  2. 2

    Optimize file size for faster email or messaging

    Image Compressor

  3. 3

    Resize for specific platform requirements if needed

    Image Resizer

Modern Web to Legacy Browser

  1. 1

    Convert AVIF to WebP for modern browser fallback

    AVIF to WebP Converter

  2. 2

    Create JPG version for older browser compatibility

    WebP to JPG Converter

  3. 3

    Optimize JPG file size without quality loss

    Image Compressor

Web Performance Optimization

  1. 1

    Convert existing JPG images to WebP for 30% size reduction

    JPG to WebP Converter

  2. 2

    Create responsive image sizes for different viewports

    Image Resizer

  3. 3

    Further optimize for maximum web performance

    Image Compressor

Explore More Collections

Discover more expert-curated tool collections for specific workflows and use cases

Frequently Asked Questions

Why can't I open HEIC photos from my iPhone on Windows?

HEIC (High Efficiency Image Container) is Apple's modern format that Windows doesn't natively support without additional codecs. iPhones default to HEIC to save storage space. Converting HEIC to JPG makes photos compatible with Windows, Android, and virtually all devices and applications without requiring special software.

Will I lose quality when converting from HEIC or AVIF to JPG?

Yes, but the quality loss is typically minimal and imperceptible to most viewers. HEIC and AVIF use advanced compression, while JPG uses older algorithms. Converting to PNG instead of JPG preserves more quality but creates larger file sizes. For most photos shared online or viewed on screens, JPG conversion provides excellent quality at reasonable file sizes.

Should I use WebP or JPG for my website images?

Use WebP for modern websites as it provides 25-35% smaller file sizes than JPG with similar quality, improving page load speeds. However, provide JPG fallbacks for older browsers (pre-2020). If your analytics show significant traffic from older browsers or you need universal compatibility, stick with JPG. Consider AVIF for cutting-edge projects targeting the latest browsers.

How do these modern formats save space compared to JPG?

HEIC, AVIF, and WebP use more advanced compression algorithms than JPG's 30-year-old technology. They analyze images more efficiently, remove redundant data better, and encode colors more intelligently. AVIF can achieve 50% smaller files than JPG at similar quality, WebP saves 25-35%, and HEIC offers similar benefits, which is why Apple adopted it for iPhones.

Can I convert multiple iPhone HEIC photos at once for sharing?

Most HEIC to JPG converters support batch processing, allowing you to convert entire albums simultaneously. This is ideal when sharing vacation photos or creating photo galleries. All conversions happen in your browser, so your photos remain private. Batch conversion maintains consistent quality settings across all images for uniform results.

What's the best format for preserving iPhone photo quality?

HEIC preserves the best quality as it's the original format from your iPhone. When converting, PNG maintains more quality than JPG but creates larger files. For sharing or web use, JPG at 90-95% quality provides excellent results with reasonable file sizes. Use PNG only when you need transparency or absolutely maximum quality.

Are these conversions reversible?

No, format conversions are one-way. Converting HEIC to JPG and then back to HEIC won't restore original quality. Always keep your original HEIC photos from your iPhone as backups. Treat converted JPG/PNG files as derivatives for sharing or compatibility, not as replacements for your originals stored in iCloud or on your device.

How do I know if my browser supports AVIF or WebP?

Modern browsers (Chrome 85+, Firefox 93+, Safari 16+, Edge 121+) support WebP fully. AVIF support is newer (Chrome 85+, Firefox 93+, Safari 16+). If your target audience uses browsers from the last 2-3 years, WebP works great. For cutting-edge AVIF, check your analytics or provide JPG fallbacks for older browsers using HTML picture elements.

Need More Tools?

Explore our complete collection of free, browser-based tools for all your design and development needs.

Browse All Tools