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Image Tools

Compress JPEG Images — Free

Reduce JPEG file size while maintaining quality.

Smart JPEG compressionQuality sliderBatch processingSize preview
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1

Upload your JPEG images.

2

Adjust quality slider.

3

Download compressed images.

About JPEG Compressor

JPEG compression specifically optimizes the most common photo format for smaller file sizes while preserving photographic quality. Our specialized JPEG compressor uses advanced encoding techniques that reduce files by 40-80% with minimal visible quality loss.

JPEG compression works by reducing detail in areas where the human eye is least sensitive—subtle color variations and high-frequency patterns. The quality slider gives you precise control over the compression/quality tradeoff. Higher quality preserves more detail for printing and archiving, while higher compression creates smaller files for web and email.

Photographers compress JPEGs for web galleries and client proofing. Real estate agents optimize listing photos for MLS uploads with size limits. Event coordinators compress event photos for faster sharing and downloads. Travel bloggers compress vacation photos to fit hosting bandwidth limits. Marketing teams optimize product photography for e-commerce platforms.

Our JPEG optimizer uses mozjpeg, an enhanced JPEG encoder developed by Mozilla that produces smaller files than standard encoders at equivalent quality levels. Additional optimizations include Huffman table optimization, progressive encoding for faster perceived loading, and optional metadata removal for maximum compression.

Common Use Cases

  • •Optimize photos for web galleries
  • •Compress images for email newsletters
  • •Reduce file sizes for MLS and listing platforms
  • •Prepare images for social media with size limits
  • •Archive photos with storage efficiency

How It Works

Our JPEG compressor uses mozjpeg with trellis quantization and optimized Huffman tables. Progressive encoding improves perceived load time. Optional EXIF preservation or removal gives you control over metadata.

Supported Formats

.JPG.JPEG

Ofte stilte spørsmål

80-85% is ideal for web use. 90%+ for print quality. 70% or lower for maximum compression.
You can choose to preserve or remove EXIF data. Removing it saves additional space.
Progressive JPEG loads in multiple passes — first a blurry preview, then sharpening to full quality. This improves perceived loading speed on websites. We enable progressive encoding by default as it also slightly reduces file size in most cases.
Our optimizer applies lossless JPEG optimizations (Huffman table optimization, removing unnecessary metadata) that reduce file size by 5-15% with zero visual change. For greater reduction, lossy compression is required but quality loss at 80-85% is imperceptible to most viewers.
sRGB color profiles are preserved by default. If your JPEG uses a wide-gamut profile (Adobe RGB, ProPhoto RGB), be aware that stripping metadata removes the profile. For print-critical work, keep quality at 90%+ and preserve metadata.
Our compressor uses mozjpeg, which typically produces files 5-10% smaller than Photoshop's standard JPEG encoder at the same quality. mozjpeg applies advanced trellis quantization that standard encoders do not.
Yes. Phone cameras typically shoot at 3-8MB per photo. Our compressor can reduce these to 300KB-1MB for web use while keeping them sharp. Upload directly from your camera roll in any mobile browser.