Click or drag & drop images here
Image Compressor
Compress images to reduce file size without losing visible quality. Batch process multiple images, compare before/after sizes, and download instantly.
What Is the Image Compressor?
The Image Compressor is a free online tool that reduces image file sizes while maintaining visual quality. Upload one or multiple images, adjust the compression quality, and see exactly how much space the image compressor saves.
This image compressor processes everything in your browser — no images are ever sent to a server, ensuring complete privacy.
Image Compressor Features
- Batch compress multiple images at once with the image compressor
- Adjustable quality slider from 10% to 100%
- Convert output format: keep original, JPEG, WebP, or PNG
- Real-time file size comparison showing savings per image
- Total compression savings summary across all images
- Individual download or download all compressed images at once
- 100% client-side image compressor — no upload, no tracking
How to Use the Image Compressor
Compress images in seconds:
- Upload one or more images to the image compressor
- Select the output format or keep original
- Adjust the quality slider to your desired compression level
- Click Compress to process all images
- Review the file size savings for each image
- Download individual images or all at once
Image Compressor Best Practices
- Use 70-80% quality in the image compressor for web images — this typically reduces file size by 60-80% with minimal visible quality loss
- WebP format in the image compressor offers the best compression ratio for web use
- For photos, JPEG at 80% quality is usually the sweet spot in the image compressor
- PNG output keeps transparency but may have larger file sizes
- Add more images after initial upload to batch process additional files
Image Compressor Use Cases
- Optimize website images to improve page load speed
- Compress photos before uploading to social media or email
- Reduce image sizes for blog posts and content management systems
- Prepare images for mobile apps where bandwidth matters
- Bulk compress product images for e-commerce listings
Image Compressor Privacy
The Image Compressor uses the HTML5 Canvas API to process images entirely in your browser. No images, metadata, or usage data are ever transmitted to any server.
This makes the image compressor completely safe for compressing sensitive, personal, or confidential images.