Universal Image Converter - Free & Private
Convert between HEIC, WebP, PNG, JPG/JPEG, and AVIF formats instantly with our free universal image converter. Auto-detects your image format and converts to your preferred output with adjustable quality settings, batch processing up to 100 images, resize options, and EXIF metadata control. All conversion happens locally in your browser—no uploads, no registration, complete privacy. Perfect for photographers, designers, and anyone needing reliable image format conversion.
Tap to select or drag & drop
Works on mobile and desktop
or press Ctrl+V to paste
Accepted: *, HEIC, HEIF, WEBP, PNG, JPG, JPEG, AVIF
Up to 100 files
Important Note
For Informational Purposes Only
This tool processes images directly in your browser for maximum privacy. The conversion results are provided for informational purposes only and should not be considered professional advice. Please be aware:
- Very large images (over 50MB) may take longer to process on older devices
- Browser memory limitations may affect batch processing on mobile devices
- HEIC conversion requires WebAssembly support (available in modern browsers)
- Image quality settings affect file size - experiment to find your ideal balance
- Always verify converted images meet your requirements before use in production
Privacy: All conversions happen locally in your browser. No images are uploaded to our servers.
This tool is provided as-is for convenience. Image quality and conversion results may vary. For critical professional use, we recommend verifying output quality before use.
✓ All processing happens in your browser
✓ Your images are never uploaded to our servers
✓ 100% private and secure
See our Privacy Policy for details.
Important Note
For Informational Purposes Only
This tool processes images directly in your browser for maximum privacy. The conversion results are provided for informational purposes only and should not be considered professional advice. Please be aware:
- Very large images (over 50MB) may take longer to process on older devices
- Browser memory limitations may affect batch processing on mobile devices
- HEIC conversion requires WebAssembly support (available in modern browsers)
- Image quality settings affect file size - experiment to find your ideal balance
- Always verify converted images meet your requirements before use in production
Privacy: All conversions happen locally in your browser. No images are uploaded to our servers.
Supported Conversions
HEIC Conversions
- • HEIC to JPG
- • HEIC to PNG
- • HEIC to WebP
- • HEIC to AVIF
WebP Conversions
- • WebP to JPG
- • WebP to PNG
- • WebP to AVIF
PNG/JPG Conversions
- • PNG to JPG
- • PNG to WebP
- • PNG to AVIF
- • JPG to PNG
- • JPG to WebP
- • JPG to AVIF
AVIF Conversions
- • AVIF to JPG
- • AVIF to PNG
- • AVIF to WebP
Next-gen format with excellent compression
Why Use Our Universal Converter?
🔄 All-in-One Tool
Convert between any supported format in one place. No need to search for different tools.
⚡ Lightning Fast
Instant conversion in your browser. Process up to 100 images at once.
🔒 100% Private
Your images never leave your device. Complete privacy guaranteed.
♾️ No Limits
Unlimited conversions, unlimited file sizes, completely free forever.
Resize While Converting
Resize your images to custom dimensions, percentages, or social media sizes during conversion. Perfect for optimizing images for web, social media, or print.
Frequently Asked Questions
Can I resize images while converting?
Yes! ConvertFast allows you to resize images during conversion. Choose custom dimensions, resize by percentage, or select from social media presets like Instagram (1080×1080), Facebook, Twitter, YouTube, and more. You can maintain aspect ratio or specify exact dimensions. This is perfect for optimizing images for web, social media, or reducing file sizes.
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Need a specific converter? Check out our specialized tools: