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Compress Image
Shrink JPG, PNG and WebP files directly in your browser with professional encoders, and see the exact savings before you commit. Your files never leave your device. No sign-up, no limits, free.
Drop your images here
or click to browse, or paste from your clipboard
Runs 100% in your browser No size or file limits Free, no sign-up
How to compress an image
Add your images
Drag and drop JPG, PNG or WebP files anywhere in the box, click to browse, or paste from your clipboard. Each file keeps its own format.
Choose how much to squeeze
The quality slider controls JPG and WebP compression, and the optimization level controls lossless PNG shrinking. The preview shows the measured output size as you adjust.
Compress and download
Click Convert. Every file is processed on your own device, then download them one by one or all at once as a ZIP.
Image compression questions, answered
How much smaller will my images get?
It depends on the format and source. JPGs saved at high quality often shrink 40 to 70 percent at quality 75 with no visible change. PNGs compress losslessly, typically 5 to 40 percent. The size readout in the preview shows the real measured number for your file before you convert.
Will compression make my images look worse?
PNG compression here is fully lossless, so PNGs cannot lose quality at all. For JPG and WebP the quality slider decides: at 75 and above changes are practically invisible, below 60 you may start noticing softness in fine detail.
Does the image keep its format?
Yes. A JPG stays a JPG, a PNG stays a PNG, a WebP stays a WebP. If you want the extra savings of switching formats, use the dedicated converters, for example JPG to WebP.
What makes this compressor good?
It uses the same encoder family found in professional tools: mozjpeg for JPG, oxipng for PNG and libwebp for WebP, running as WebAssembly in your browser. These consistently beat the standard encoders built into browsers and editors.
Can I compress many images at once?
Yes. Add any number of files, compress them in one go, and download everything as a ZIP. Per-file settings let you treat one image differently from the rest.
Are my images uploaded to a server?
No. Compression runs inside your browser. Your files never leave your device.