Large photos slow down websites, blow past email attachment limits, and eat up storage fast. Compress a JPG or PNG here with a live preview and quality slider, so you see exactly what you're trading off before saving.
Your image loads onto a canvas, and adjusting the quality slider re-encodes it at that setting in real time. The before/after file sizes update live, so there's no guessing involved.
Uploading product photos to an online store, or attaching several photos to an email that keeps bouncing back for being too large. A smaller file uploads faster and loads faster for whoever opens it.
JPG, PNG, and WebP are all supported.
No, it only adjusts encoding quality. Use Image Resizer separately if you also want different dimensions.
At moderate settings, most images show little to no visible difference at normal viewing sizes. Very aggressive settings start showing artifacts, which the live preview lets you catch before downloading.
No, everything happens locally using your browser's built-in image encoding.
Most common formats can be uploaded; the compressed output is saved as an optimized JPG.
It varies by image, but the tool shows you the exact before/after size and percentage saved before you download, so there's no guesswork.
No, only the file size through quality re-encoding — the width and height stay the same. Use Image Resizer if you also want to change dimensions.