Image Compressor
Professional-grade image optimization with multiple format support. Reduce file sizes while maintaining visual quality.
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BMP, GIF, HEIC, HEIF, ICO, JPEG, JPG, PNG, SVG, TIFF, WebP
Max size: 10 MB
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Understanding Image Compression
Image compression is the process of reducing the file size of digital images. This is crucial for web performance, as smaller image files load faster, improving user experience and SEO.
Lossy vs. Lossless Compression
There are two main types of compression:
- Lossless Compression: This method reduces file size without any loss of image quality. It works by removing redundant data in the image file. Formats like PNG and some settings in WebP and AVIF use lossless compression. This is ideal when image fidelity is paramount.
- Lossy Compression: This method achieves greater file size reduction by permanently removing some image data. The amount of data removed can be controlled, often through a 'quality' setting. JPEG is a classic example of a lossy format. While it can significantly reduce file sizes, excessive lossy compression can lead to visible artifacts and degradation in image quality.
Key Factors for Optimization
- Format: Choosing the right format (JPEG for photos, PNG for graphics with transparency, WebP/AVIF for modern web use) is essential for effective compression.
- Quality Setting: For lossy compression, the quality setting is a trade-off between file size and visual fidelity. Experiment to find the sweet spot for your images.
- Dimensions: Resizing images to their display dimensions on a webpage can dramatically reduce file size. There's no need to serve a 4000px wide image if it's only displayed at 800px.
- Progressive JPEGs: These load in a series of passes, appearing blurry at first and gradually becoming clearer. This can improve the perceived loading speed for users.
- Metadata: Image files often contain extra information (EXIF data) like camera settings, location, etc. Removing this metadata can further reduce file size.
Our tool allows you to control these aspects to achieve the best balance of file size, quality, and loading speed for your images.