Guides

Browse these task guides for steps and practical limits, then open the tool with the suggested settings.

Reduce photo file size

Enter a target in KB to reduce photo file size for free, without sending your photos to a server.

Re-encode JPG photos in your browser and compare the original with the result.

Optimize PNG files losslessly and check results that preserve transparency.

Reduce image dimensions using maximum width and height, a percentage, or exact pixel settings.

Crop freely or use a fixed ratio such as 1:1 or 4:5.

Re-encode PNG as a real JPG file and choose a background color for transparent areas.

Re-encode JPG photos as WebP and compare quality and file size.

Convert WebP to JPG, or choose PNG to preserve a transparent background.

Use high quality mode to reduce size and compare against the source. Identical pixels are not guaranteed.