Image Compressor
Image ToolsReduce image file sizes while keeping quality.
Compress images in your browser
Your files are processed locally and never uploaded.
JPEG uses a white background for transparency. Dimensions stay unchanged. Animated images become a still image.
Compressing images…
Lower values reduce colors and may change appearance. At 100%, PNG stays lossless. PNG can be larger than JPEG or WebP.
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What is Image Compressor?
Image Compressor reduces the file size of JPG, PNG, and WebP images while keeping them visually sharp. Processing happens in your browser, so your images never leave your device.
How to use Image Compressor
- 1 Choose or drag an image into the drop area.
- 2 Adjust the quality slider to trade size for detail.
- 3 Download the compressed image.
Supported formats and limits
- Input: JPG, PNG, WebP and other browser-supported images
- Output: compressed image
- Runs in your browser
Common uses
- Shrink photos before uploading them to a website.
- Reduce email attachment sizes.
Things to know
- Compression is applied in the browser; very large batches depend on device memory.
- Heavy compression can introduce visible artifacts.
Privacy and file handling
Compression runs entirely in your browser using the Canvas API. No image is uploaded to a server.
Frequently asked questions
Are my images uploaded anywhere?
No. The compressor works locally in your browser, so images stay on your device.
Which formats are supported?
JPG, PNG, and WebP images are supported; the output format is chosen automatically.
Are my images uploaded to a server when I compress them?
No. Compression runs in your browser, so your images never leave your device.
Does compressing an image reduce its dimensions?
No. Compression reduces file size by adjusting quality; the pixel dimensions stay the same unless you use the Image Resizer.
Related tools
Image Resizer
Resize images to exact pixel dimensions.
Image to WebP
Convert images to the modern WebP format.
JPG to PNG
Convert JPG images to PNG right in your browser.
PNG to JPG
Convert PNG images to compressed JPG.