Free Online Image Compressor

Smart lossless compression algorithm with 60-70% compression rate. Support JPG, PNG, WebP batch compression

Start Compressing Now
10M+
Images Compressed
60-70%
Average Compression Rate
100%
Free to Use

Why Choose Our Image Compressor?

Professional image compression technology providing you with the best compression experience

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Lightning Fast

Advanced compression algorithms with batch processing support to greatly improve work efficiency. Process multiple images with one click.

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Smart Lossless

Intelligently recognizes image content and uses lossless compression technology to significantly reduce file size while maintaining image clarity.

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Privacy Secure

All processing is done in your browser. Images are not uploaded to servers, completely protecting your privacy and security.

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Multiple Formats

Support JPG, PNG, WebP, GIF and other mainstream image formats to meet various image compression needs.

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Completely Free

No registration required, no payment needed. Use all features permanently for free.

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Batch Processing

Support uploading multiple images at once for batch compression, saving time and improving efficiency.

Image Compression Technology Explained

Learn how our compression technology helps you optimize images

JPG Image Compression

JPG format is the most commonly used image format, especially suitable for photo-type images. Our JPG compression tool uses smart algorithms to:

  • Reduce file size while maintaining image quality
  • Support quality level adjustment to meet different needs
  • Optimize EXIF information to further reduce file size
  • Perfect for website image optimization and social media sharing

PNG Image Compression

PNG format supports transparent backgrounds and is commonly used for icons and design materials. Our PNG compression technology includes:

  • Lossless compression algorithm maintaining perfect image quality
  • Transparency channel optimization to reduce file size
  • Color depth optimization with smart color space adjustment
  • Ideal for web design and APP interface materials

WebP Format Advantages

WebP is a next-generation image format developed by Google with the following advantages:

  • 25-35% smaller than JPG, 80% smaller than PNG
  • Support transparent backgrounds and animations
  • Widely supported by modern browsers
  • The best choice for website performance optimization

Use Cases

Our image compression tool is suitable for various scenarios:

  • Website Optimization: Reduce image size to improve website loading speed
  • Social Media: Compress images for quick upload and sharing
  • Email Attachments: Reduce attachment size to avoid email rejection
  • Mobile Applications: Optimize images in apps to save storage space
  • E-commerce Platforms: Batch process product images to enhance user experience

Frequently Asked Questions

Common questions about image compression

Will image compression reduce image quality?
We use smart compression algorithms that can significantly reduce file size while maintaining visual quality. For JPG format, we provide quality adjustment options; for PNG format, we use lossless compression technology.
What image formats are supported?
Currently supports JPG, JPEG, PNG, WebP, GIF and other mainstream image formats. We will support more formats in the future, such as AVIF, HEIC, etc.
Is there a file size limit?
We recommend individual files not exceed 10MB to ensure optimal processing speed and user experience. Batch processing is supported for handling multiple images at once.
Are images uploaded to servers?
No! All image processing is done locally in your browser. Images are not uploaded to our servers, completely protecting your privacy and security.
Can compressed images be restored?
Compression is an irreversible process, so we recommend keeping backup copies of original images before compression. We provide preview functionality to confirm compression effects before download.