What is an image optimizer?
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An image optimizer reduces file size by re-encoding an image, changing its format, scaling its dimensions or combining those methods. Smaller files upload and download faster and use less storage. This tool gives you those controls in the browser so you can balance visual quality against file size before saving the result.
How do I reduce image file size without obvious quality loss?
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Start with the Balanced preset and keep the dimensions your destination actually needs. For photographs, JPG or WebP usually produces a smaller file than PNG. Inspect the result, then move toward Quality if you notice artifacts. Compression cannot guarantee zero quality loss, but a careful format, scale and quality choice can keep changes difficult to see.
Are my images uploaded?
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No. Image optimization happens in your browser, so your files never leave your device. The browser reads the selected files, creates the optimized results locally and lets you download them directly. This local workflow is useful for private photos, client assets and other files you do not want to send to a remote compression service.
Which formats are supported?
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The image optimizer accepts JPEG, PNG, WebP, GIF and SVG. JPEG, PNG and WebP files can be re-encoded in the browser; SVG markup is cleaned where possible; and GIF animation is preserved. You can keep the source format or export supported raster images as JPG or WebP when a different format will produce a more useful result.
Will animated GIFs stay animated?
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Yes. The tool does not flatten an animated GIF into a single still frame. If browser-safe processing cannot make the animation smaller, the original GIF is retained instead of returning a damaged or static result. For a major size reduction, consider a dedicated video format only when the destination supports it.
Which settings should I use for website images?
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Scale the image to the largest dimensions it will actually display, then try WebP with the Balanced preset. Use JPG for photographic compatibility and keep PNG or WebP when transparency matters. Check the result at its intended display size rather than judging a highly zoomed preview. This usually gives a practical balance between page speed and visual clarity.
Can I optimize multiple images at once?
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Yes. Add up to 20 files, apply one format, scale and quality setup to the queue, and run the batch locally. Each result shows its original and optimized size. You can download files individually or save completed results together as a ZIP, which is useful when preparing a group of product images, blog graphics or email assets.
How is this different from Image to KB Converter?
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This image optimizer uses format, scale and quality controls to make images smaller while letting you judge the result. Use Image to KB Converter when an upload form sets a strict target such as 50KB or 100KB. An exact-KB workflow searches for a file that meets the limit; this page is better for general web and storage optimization.
