Image Compress Tool - Smart Compression & Batch Processing
Professional online image compression tool supporting target size or quality level compression for JPG/PNG images, with multiple encoder options and efficient batch processing
Upload Image Files
Drag & drop supported, supports JPG/JPEG/PNG formats
or drag files here
Core Features
Multiple compression modes and advanced options to meet your different image compression needs
Target Size Compression
Precisely set target file size (e.g. 500KB), intelligent algorithm automatically adjusts quality parameters with volume error controlled within ±20%
Quality Level Compression
Support 1-100 quality level adjustment with visual preview of compression effects, balancing file size and visual quality
Batch Processing
Process multiple images simultaneously with unified compression parameters and automatic sequential suffixes for significant efficiency improvement
Advanced Options
Support resolution limit settings, encoder selection (MozJPEG/PNGQuant), progressive loading, metadata cleanup and other advanced features
How to Use
Three simple steps to easily compress images
Upload Images
Select image files to compress, supports drag & drop and batch selection with automatic format and dimension recognition
Set Parameters
Choose compression mode (target size or quality level), set resolution limits and encoder options, with real-time preview of compression effects
Download Results
Download compressed images after completion, batch processing automatically adds sequential suffixes, supports comparison view to see before/after differences
Image Compress Tool - Free Online JPG/PNG Image Size Compression
What is Image Compression?
Image compression is the process of reducing image file size through optimization algorithms while maintaining visual quality as much as possible. Through target size control, quality level adjustment, resolution limitation and other methods, JPG/PNG images can be compressed to specified size or quality levels, suitable for website image optimization, social media sharing, email attachments and other scenarios. Advanced compression algorithms ensure significant file size reduction while keeping visual differences within acceptable ranges.
Use Cases
- Website image optimization to reduce page loading time and improve user experience
- Social media sharing to meet platform file size limit requirements
- Email attachment compression to avoid oversized attachment failures
- Mobile app image resource optimization to reduce installation package size
- E-commerce product image batch compression to save storage space and bandwidth costs
Our Advantages
- Completely FreeUse all compression and optimization features without any fees
- Precise ControlVolume error controlled within ±20%, with real-time preview to ensure compression effects meet expectations
- Efficient BatchSupport batch processing to compress multiple images at once, significantly improving work efficiency