Convert image format
image cat converts images between JPG, PNG and WebP locally in your browser, and turns iPhone HEIC into universal formats. Pick a target format, drop your images, convert in one click — files are never uploaded.
Drag & drop or click to select filesJPG / PNG / WebP / HEIC / AVIF supported, several at once
Target format
How to convert image
- 1Drop one or more images (JPG / PNG / WebP / HEIC / AVIF and more).
- 2Pick a target format (JPG / PNG / WebP).
- 3Click “Start”.
- 4Download results individually or as a ZIP.
Why use image cat's Convert Image?
- Local conversion: images never leave your device.
- WebP saves space: converting to WebP is usually smaller than JPG, great for faster sites.
- Batch + ZIP download — a whole set at once.
Frequently asked questions
Input: JPG / PNG / WebP / HEIC / HEIF / AVIF / GIF / BMP and anything the browser can decode. Output: JPG, PNG, WebP (AVIF output coming later).
JPG has no transparency, so transparent areas become white. Convert to PNG or WebP to keep transparency.
Updated · image cat team