Boltly Tools
by ZeroClick AI
Everything runs on your device. Nothing is uploaded.

Convert images to WebP, JPG or PNG

Drop your files hereor click to browse · JPG, PNG, WebP, AVIF, GIF
Options

Switch whole folders of images between WebP, JPG and PNG. WebP is usually the smallest for websites; JPG works everywhere; PNG keeps transparency.

How to convert images to WebP, JPG or PNG

  1. Drop your images into the box above.
  2. Choose the format under "Convert to", and the quality.
  3. Press Convert and download the files or a zip.

Private by design

Boltly runs entirely in your browser. Your files are processed on your own computer and are never uploaded, so it is safe for IDs, contracts and family photos, and it keeps working offline once loaded.

Questions

Which format should I choose?

WebP for websites (smallest), JPG for sharing anywhere, PNG when you need transparency or exact pixels.

Can I convert HEIC iPhone photos?

Yes, use the HEIC to JPG tool.

Are my images uploaded?

No. Conversion happens on your device.

Related tools

Compress images without losing qualityConvert HEIC to JPG

All Boltly tools

Prefer a toolbar button? Get the Boltly Tools Chrome extension.