Related guide
How to Reduce an Image to 50KB
Use compression and dimensions together to prepare a smaller upload.
Browser-based tool
Create a smaller JPG or WebP copy and compare the resulting file size before you download it.
JPG, PNG, or WebP · up to 15 MB per image
Your image is processed in your browser and is not uploaded to our server.
Choose an image to compare its original size with a compressed result.
Compression reduces the amount of data used to store an image. A lower quality setting generally produces a smaller file, but it can also reduce visual detail. A target size is a best effort, not a promise: the original image dimensions, content, and output format determine whether a particular result is possible.
It attempts to find a result at or below a selected target, but an exact size depends on the image and output format.
Large dimensions and detailed photo content can limit how small an image becomes at usable quality. Try resizing it first.
It is shown in KB or MB, which measures the file’s storage size rather than its width and height.
Related guide
Use compression and dimensions together to prepare a smaller upload.
Related tools