Image Compressor

Compress a JPG, PNG, or WebP with a quality slider. No upload.

JPEG quality

Drop files or click to choose (image/*)

Calculated Result

Open an image

Formula: canvas.toBlob('image/jpeg', q)

About this calculator

Open a photo, move the quality slider, and download. PNG input can be saved as JPEG. Work happens on a canvas.

FormulaRedraw on canvas and export JPEG/WebP at a quality slider

The image is drawn to a canvas. canvas.toBlob(mime, quality) writes the smaller file.

Turn JPEG or PNG images into a PDF in the browser.

Convert between JPG, PNG, and WebP locally.

Drag a crop box on a photo, or trim percents from each edge.

Convert a WebP image to JPEG in the browser.