Compress images online for free
Compress JPG, PNG, WebP images up to 90% without visible loss.
Accepted source formats
How it works
Drag and drop your images or click to select
Adjust compression level with the slider
Download your compressed images
Common mistakes
- Using a source file of poor quality.
- Publishing without checking the final result.
- Confusing file size, dimensions and quality.
- Overwriting the original file without keeping a copy.
Pro tips
- Always keep an original version.
- Test several settings before downloading.
- Use WebP for the web when possible.
- Choose descriptive file names for SEO.
Privacy and file handling
File handling depends on the selected tool and format. For sensitive files, review the tool information before starting the operation.
Compress JPG and JPEG online
Reduce the size of your JPEG files without visible quality loss. Our intelligent algorithm analyzes each image to optimize compression while preserving important details. JPEG compression works particularly well on photographs with natural gradients. A quick check can prevent problems later.
PNG compression with transparency
Optimize your PNG images while preserving alpha transparency. PNG files are often large because they use lossless compression. Conversion is available on the free plan within its daily usage quota. The result depends on what the ICO and Compress images online for free formats can preserve.
Why compress your images for web?
Light images significantly improve your site's loading time, which directly impacts your Google ranking (Core Web Vitals) and user experience. A page that loads in under 3 seconds retains more visitors. Compressing your images before publishing is an essential SEO best practice. A quick check can prevent problems later.
WebP compression: the modern format
WebP is the next-generation image format developed by Google. A quick check can prevent problems later. The practical file-size limit depends on the format, browser and memory available on your device. If a file fails, try a smaller version or split it when the tool supports that workflow.
Compress photos for email and social media
Reduce your photos to meet email attachment size limits (typically 10-25 MB) or optimize them for Facebook, Instagram and Twitter. A 5 MB smartphone photo can be reduced to 500 KB with no visible difference, making quick sharing easy. Convert ICO files to Compress images online for free online.
Discover all our tools
Convert, compress, merge and edit your files in a few clicks.
Complementary tools
Guides and tutorials
Learn how to use our tools with our detailed guides.