Free ToolClient-SidePrivate
Compress Images Instantly
Reduce PNG, JPG, and WebP file sizes by up to 90%. Adjust quality, convert formats, and download optimized images. Everything runs in your browser — your files never leave your device.
Upload Image
Drop an image here
or click to browse
PNG, JPG, WebP supported
Compressed Result
Compressed image will appear here
Upload an image to get started
How It Works
1
Upload Image
Drag and drop or click to upload a PNG, JPG, or WebP image.
2
Adjust Settings
Set your desired quality level (10%-100%) and choose an output format.
3
Download
Preview the compressed result and download with one click.
Frequently Asked Questions
How does the image compressor work?
Our compressor uses your browser's Canvas API to re-encode images at a lower quality setting. You choose the quality level (10%-100%) and output format (PNG, JPEG, WebP). Everything runs client-side, so your images never leave your device.
What image formats are supported?
You can upload PNG, JPG/JPEG, and WebP images. You can also convert between these formats during compression - for example, convert a PNG to a smaller WebP file.
How much can I reduce the file size?
Depending on the original image and quality setting, you can reduce file sizes by up to 90%. JPEG and WebP at 60-80% quality typically offer the best balance between size and visual quality.
Is the image compressor free?
Yes, completely free with no limits. Since compression happens in your browser using the Canvas API, there are no server costs or usage restrictions.
Will compressing my image reduce its quality?
Lossy compression (JPEG, WebP) reduces quality slightly, but at 70-80% quality the difference is usually imperceptible. PNG compression is lossless when output as PNG. Use the before/after preview to find your ideal balance.
Are my images uploaded to a server?
No. All compression happens entirely in your browser using the HTML5 Canvas API. Your images never leave your device, making this tool completely private and secure.
Can I convert image formats while compressing?
Yes! You can convert between PNG, JPEG, and WebP during compression. For example, converting a large PNG to WebP at 80% quality can dramatically reduce file size while maintaining good visual quality.
What is the best format for web images?
WebP offers the best compression for web use, with files typically 25-35% smaller than JPEG at equivalent quality. JPEG is a safe fallback with universal browser support. PNG is best when you need transparency or lossless quality.
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