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JPEG is best for photos, offering lossy compression that reduces file size by averaging similar colors and patterns. This method, using discrete cosine transform (DCT), achieves notable size reductions with minimal visual quality loss, although extreme compression can cause artifacts.

JPEG (Joint Photographic Experts Group)

PNG offers lossless compression via the DEFLATE algorithm (LZ77 + Huffman coding), ensuring no quality degradation. It's great for images that require transparency or sharp details, like graphics and logos, though file sizes can be larger than JPEG.

PNG (Portable Network Graphics)

WebP, designed by Google, combines both lossless and lossy compression for small, high-quality files. It uses advanced predictive coding to reduce size, making it efficient for web usage without sacrificing image clarity.

WebP (Web Picture)

BMP files are uncompressed and store every pixel’s color data directly, resulting in large files but perfect quality. BMP is rarely used online but ideal for editing or use cases needing original quality without compression.

BMP (Bitmap)

How Different Image Formats Handle Compression & Quality

Image Format Breakdown

Easily compress JPEG, PNG, WebP, and BMP images, perfect for any image optimization needs.

Supports All Popular Formats

All image processing happens locally in your browser—your photos never leave your device for full privacy and security.

Maximum Privacy

Compress large images in seconds with no visible quality loss, streamlining your workflow.

Lightning-Fast Compression

Reduced image sizes mean faster website loading, lower bandwidth usage, and an improved browsing experience for your audience.

Optimized for Performance

Instantly shrink JPEG, PNG, WebP, and BMP images with our easy, secure online tool. Compress picture files, save valuable storage, and boost your website’s speed—right from your browser, with no downloads or sign-up required.

Compress Images Online Fast & Free

You can customize your image's max size and dimensions before uploading for precise control over compression.

Select Compression Settings (Optional)

Easily add your images by dragging them to the upload area or clicking to select files. Our tool begins compressing instantly.

Upload or Drag & Drop Images

When compression is complete, your optimized images download straight to your device with no extra steps.

Download Compressed Images Automatically

Reduce File Size in Three Simple Steps

How to Compress Your Images Online

Easily compress JPEG, PNG, WebP, and BMP images online for free. Shrink image file size, speed up your website, and save bandwidth instantly with our secure, browser-based image compressor.

Free Online Image Compressor

Quickly Reduce Image Sizes Without Quality Loss