DevMiniTools
中文EN
Data is processed locally in your browser and is never uploaded

Online Image Compressor

Compression Settings

Click to choose or drop an image Supports JPEG, PNG, WebP and AVIF. Process one image at a time.
Waiting for an image.

Compression Result

Original Size-
Compressed-
Space Saved-
Output Dimensions-
The original image will appear after selection.
The compressed result will appear here.

JPEG and WebP are re-encoded at the selected quality. PNG size is mainly reduced by resizing. Transparent areas use a white background when converting to JPEG.

Compress Images Online

Quickly reduce mobile photos, blog images and upload assets. Processing uses the browser Canvas API, so images never leave your device.

Image Converter Images to GIF

Example and limitations

JPEG fills transparent areas with white. PNG quality is not adjustable. Re-encoding can increase file size; compare the downloaded result.

Image Compression: Dimensions, Formats and Transparency