Free Online Image Compressor
Reduce file sizes by up to 90% without visible quality loss. Perfect for websites, social media, and email attachments.
Drag & drop your files here or click to browse
Compression Summary
Compression Results
What does Compress Image Size Tool do?
Overview
Our Image Compressor Tool helps you reduce the file size of your images without significantly affecting their visual quality. This is particularly useful for:
- Optimizing images for websites to improve loading speed
- Reducing storage space used by your image files
- Preparing images for email attachments or online sharing
- Meeting file size requirements for various platforms
The tool supports multiple image formats and provides various compression options to suit your specific needs.
Why Compress Images?
Faster Website Loading
Compressed images can improve page load times by up to 50%, reducing bounce rates.
Better Mobile Experience
Smaller files use less data, crucial for mobile users on limited plans.
Easier Sharing
Meet email attachment limits and upload faster to social media.
How to use Compress Image Size Tool?
Step 1: Upload Images
Click the “Select Files” button or drag and drop your images into the upload area. You can select multiple files at once.
Step 2: Adjust Compression Settings
Choose your desired output format and adjust the quality slider to balance between file size and image quality.
Step 3: Compress Images
Click the “Compress Images” button to process your files. The tool will show you the compression results.
Step 4: Download Results
Download individual compressed images or all files at once as a ZIP archive.
Image Compression Cheat Sheet
JPG Photos
Best Quality: 80-90%
Web Use: 60-75%
Email: 50-60%
PNG Graphics
With Transparency: Use PNG-24
Solid Colors: Convert to PNG-8
Alternative: WEBP (30% smaller)
WEBP Images
Lossless: 100% quality
Web: 75-85% quality
Max Compression: 50-60%
Pro Tip: Always check the preview before downloading!
Features of Compress Image Size Tool
Key Features
- Support for multiple image formats (JPG, PNG, WEBP)
- Adjustable compression levels with quality slider
- Batch processing of multiple files
- Side-by-side comparison of original and compressed images
- Detailed compression statistics
- Option to download all files as a ZIP archive
- Completely browser-based – no server upload required
Applications of Compress Image Size Tool
Common Uses
- Web Development: Optimize images for faster page loads
- Social Media: Compress images before sharing online
- E-commerce: Reduce product image sizes without losing quality
- Photography: Create smaller versions of photos for sharing
- Email Attachments: Reduce file sizes to meet email limits
- Mobile Apps: Prepare optimized assets for app development
5 Image Compression Mistakes to Avoid
1 Over-Compressing Photos
Setting quality below 50% often creates visible artifacts. Solution: Use our preview to find the sweet spot.
2 Using PNG for Photos
PNG files are 3-5x larger than JPG for photographs. Solution: Always use JPG/WEBP for photos.
3 Ignoring Dimensions
Uploading 4000px images for 500px displays. Solution: Resize before compressing.
4 Keeping Metadata
EXIF data can add 10-20% to file size. Solution: Enable “Strip Metadata” option.
5 Not Using WEBP
WEBP offers 30% better compression than JPG. Solution: Convert when possible.
File Size Calculator
Actual results may vary based on image content.
Frequently Asked Questions
Will compression reduce image quality?
Our smart compression algorithm maintains visual quality while reducing file size. You control the balance with our quality slider.
Are my images stored on your servers?
No! All processing happens directly in your browser. Your images never leave your computer.
What formats are supported?
We support JPG, PNG, and WEBP formats. WEBP typically offers the best compression (30% smaller than JPG).
Is there a file size limit?
For best performance, we recommend images under 10MB. Chrome can handle up to 25MB efficiently.
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