Free Online Image Converter
Convert JPG, PNG, WEBP, and HEIC images in bulk. Free, private, and no upload required.
🔒 No Upload Needed
All image conversion happens locally. Your files stay private.
⚡ Batch Processing
Convert up to 50 images at once. Saves time on bulk jobs.
🎚️ Quality Control
Adjust output quality to balance file size and image clarity.
Supported Conversions
How to Convert Images Online
- Upload Images: Drag and drop or click to select up to 50 image files
- Choose Format: Select your desired output format (JPG, PNG, or WEBP)
- Adjust Quality: Set the quality level to balance file size and clarity
- Convert: Click "Convert All" to process all images at once
- Download: Save individual files or download all as a ZIP
Understanding Image Formats
- JPG/JPEG: The most widely supported format. Best for photos and images with gradients. Uses lossy compression — slightly reduces quality to achieve small file sizes.
- PNG: Lossless format that preserves every pixel. Supports transparency. Best for logos, screenshots, and images with text or sharp edges.
- WEBP: Google's modern format offering better compression than JPG/PNG with comparable quality. Ideal for web use. Supported by all modern browsers.
- HEIC/HEIF: Apple's format used on iPhones (iOS 11+). Excellent quality at half the file size of JPG. Limited support outside Apple ecosystem — convert to JPG or PNG for wider compatibility.
When to Convert Image Formats
- HEIC to JPG: Share iPhone photos with non-Apple users, upload to websites that reject HEIC
- JPG to PNG: Need a transparent background, or want lossless quality for re-editing
- PNG/JPG to WEBP: Optimize images for faster website loading
- WEBP to JPG/PNG: Improve compatibility with older software or platforms
Frequently Asked Questions
Is the image converter really free?
Yes! QuickImageHub is completely free with no file limits, no daily limits, and no premium tiers. You can convert as many images as you need.
How many images can I convert at once?
You can process up to 50 images in a single batch. Each file can be up to 100MB. For most use cases, this is more than enough for bulk conversions.
Will image quality be affected during conversion?
For JPG output, you can choose the quality level (1-100). Higher quality means larger files but better-looking images. PNG output is always lossless. WEBP output can be adjusted similarly to JPG.
Are my files uploaded to your servers?
No. All image conversion happens locally in your browser using JavaScript canvas APIs and the heic2any library for HEIC files. Your images never leave your device.
Why can't I open HEIC files on Windows?
HEIC is Apple's proprietary format not natively supported by Windows. Convert your HEIC files to JPG or PNG for full compatibility with Windows, Android, and non-Apple software.
Can I convert images offline?
Once the QuickImageHub page has loaded in your browser, most conversion operations work without an active internet connection since all processing is local.