ToolsBoxToolsBox
🔒 Privacy Safe:All processing is done 100% locally in your browser, nothing is uploaded to the server.

Image Converter

Batch convert image formats with transparency and quality control.

  • Batch convert
  • Keep transparency
  • Adjustable quality
  • Local, no upload
Drag an image here, or click to select
Supports JPG/PNG/WebP, processed locally, never uploaded
Original image
Converted result

How to use Image Converter

  1. Add images：Drag multiple images onto the page
  2. Pick format：Choose target format and quality
  3. Download：Download each converted image

FAQ

Which format conversions are supported?
JPG/PNG/WebP/AVIF conversion; PNG→JPG drops transparency (white-filled), JPG→PNG usually grows — choose per use case.
Uploaded? Batch supported?
No, conversion is fully local Canvas batch processing — convert a whole asset set at once.
How do I pick the output format?
Photos: JPG/WebP around quality 0.8; icons/transparent: PNG/WebP — much smaller while staying sharp.