Image Compressor - Compress Images Online Free

About Image Compressor Tool

Our image compressor tool is a powerful, free online utility that helps you significantly reduce image file sizes while maintaining visual quality. Using advanced compression algorithms, you can reduce file sizes by up to 80% while keeping the visual quality virtually unchanged. All compressions are performed locally in your browser, ensuring your image data security and privacy.

Key features include: adjustable compression quality (10%-100%), custom image dimension limits, support for multiple output formats (JPG, PNG, WebP), batch compression of multiple images, real-time preview of compression results, file size comparison and compression rate display, maintain or adjust aspect ratio option, drag-and-drop upload support. Completely free, no registration required, simple and fast operation. Perfect for web developers, photographers, designers, and anyone who needs to optimize images.

Key Features

Support compression for JPG, PNG, and WebP formats
Adjustable compression quality to find the best balance between file size and image quality
Custom max width and height to automatically resize images
Batch compress multiple images to improve work efficiency
Real-time display of file size before and after compression and compression rate
Maintain aspect ratio option to avoid image distortion
Support format conversion, compress and convert to other formats simultaneously
Process entirely in browser for privacy protection
No server upload required, fast compression speed
Free to use with no file size or quantity limits
Use high-quality scaling algorithms to ensure clarity after compression

How to Use

Click the upload area or drag image files to the page
Adjust the compression quality slider to select appropriate compression level (80% recommended for balanced quality and size)
Optional: Set max width and height to limit image dimensions
Optional: Select output format, or keep original format
Click 'Compress Image' button to start compression
View compression rate and file size comparison
Click 'Download' to save the compressed image

Why Choose Our Image Compressor?

Completely Free: All features are free to use without registration or payment, no hidden fees.

Privacy and Security: All compressions are done locally in your browser, images are not uploaded to servers, ensuring your data security and privacy. No third parties can access your images.

Fast and Efficient: Local processing is extremely fast with no waiting for upload and download. Handles large batches of images smoothly.

Batch Processing: Support compressing multiple images at once, greatly improving work efficiency. Perfect for processing albums, product images, and other batch tasks.

Quality Control: Freely adjust compression quality to find the best balance between file size and image quality. Provides real-time preview to ensure compression results meet expectations.

Comprehensive Features: Not only compression, but also supports resizing, format conversion, and other functions. One-stop solution for image optimization needs.

Common Use Cases

Website image optimization: Compress web images to improve loading speed and SEO ranking
Social media sharing: Reduce image size for faster upload to social platforms
Email attachments: Compress images to meet email attachment size limits
Mobile app development: Optimize in-app image resources to reduce installation package size
E-commerce product images: Reduce product image size while maintaining clarity
Photography sharing: Compress high-resolution photos for easier online sharing and storage
Documents and presentations: Reduce embedded image sizes to improve document loading speed
Storage space optimization: Compress image libraries to save cloud storage or local hard drive space
Blog post images: Optimize blog images to improve page performance
Online resumes and portfolios: Ensure images load quickly to make a good impression on recruiters