Image Compressor / Resizer
Resize images to target dimensions and adjust JPEG/WebP quality entirely in the browser, then download the result.
Runs locally in your browser
Drop an image to compress and resize
Processed entirely in your browser — nothing is uploaded.
Upload an image to see compression results.
What is the Image Compressor / Resizer?
This tool resizes and re-compresses images locally using an HTML canvas. Nothing is uploaded — the original file stays on your device.
How to use it
- 1Choose an image.
- 2Set a maximum width or height and a quality level.
- 3Preview the new size and download the result.
How it works
The image is drawn onto a canvas at the requested dimensions, then exported via canvas.toBlob at your chosen quality and format. All processing happens on your machine.
Limitations & notes
- Canvas export strips EXIF/orientation metadata.
- Very large images may be limited by browser canvas size.
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