Compress JPG — Reduce JPEG File Size Online
Shrink JPG photos by up to 80% while keeping them looking great. Browser-based compression — your photos never leave your device.
How It Works
Upload JPG Files
Drop your JPEG photos or click to browse. Supports batch upload for multiple files.
Set Quality Level
Use the quality slider — 80% is optimal for most uses. See the estimated file size in real-time.
Download Compressed JPGs
Save your optimized JPEG files. Compare before/after sizes to see your savings.
Key Features
JPEG-Optimized Compression
Algorithms specifically tuned for JPEG's DCT-based compression. Better results than generic compressors.
Quality Slider
Fine control from 1-100%. Most users find 75-85% delivers invisible quality loss with 50-70% size reduction.
Batch Processing
Compress an entire folder of JPG photos at once. Same quality settings applied consistently across all images.
Zero Server Contact
Your JPEG files are compressed entirely in your browser. No upload, no server processing, no privacy risk.
Size Comparison
See exactly how many KB/MB you saved per image and across your entire batch.
Why Choose ConvertMinify
JPEG is the world's most common photo format, and compressing JPG files is the single most impactful optimization for website speed and storage efficiency. A typical smartphone photo is 3-8MB — compressed to 500KB-1MB, it looks identical on screen but loads 5x faster.
ConvertMinify's JPG compressor is specifically optimized for the JPEG format. Rather than applying generic compression, our engine understands JPEG's DCT blocks and quantization tables to achieve maximum size reduction with minimum visual impact. The result: smaller files that look better than what generic tools produce.
Who Uses This
Website Speed
Compress product photos, blog images, and hero banners. A 1-second faster load time can increase conversions by 7%.
Email Attachments
Compress vacation photos from 5MB to 500KB each. Send 20 photos instead of 2 before hitting email size limits.
Social Media Posts
Pre-compress photos before uploading. Avoid aggressive platform recompression that degrades quality.
Storage Optimization
Compress your photo library to reclaim gigabytes of space on your phone, laptop, or cloud storage.
Frequently Asked Questions
Related Tools
Smaller JPGs, same quality. Compress your photos now — free, private, and instant.