Batch Image Converter
Convert dozens of images to JPG, PNG, or WebP all at once. Set quality and format once, then process everything in a single click.
Output Format
Quality
90%Drop files here, browse
Any image format supported
Max file size: 100 MB · Multiple files supported
Any Format In
Drop JPEG, PNG, WebP, HEIC, GIF, AVIF — mixed formats are fine.
Parallel Processing
All conversions run in parallel using your browser's Canvas API for maximum speed.
No Limits
No file count or size limits (beyond your device's RAM). Convert hundreds of images at once.
How to batch convert images
- Select your output format (JPEG, PNG, or WebP) and adjust quality as needed.
- Drop all your images onto the upload area — mixed formats are supported.
- Click Convert and download each converted file (or use All to download all at once).
Privacy — your files stay on your device
ConvertForge processes files directly in your browser using the Canvas API so your files stay on your device. All conversions are performed locally with no upload whatsoever. Your files are never sent to any server.
Frequently Asked Questions
Is this tool free?
Yes, completely free. No account, no signup, no limits.
Are my files uploaded to a server?
No — processing runs in your browser. Your files never leave your device.
Does it work on mobile?
Yes — any modern browser on iOS, Android, Mac, Windows, or Linux works.