Compress Images Online - Free Image Compression Tool

Easily compress images online with our powerful free tools. Resize images to specific file sizes while maintaining quality.

Upload Images to Compress

Our free tools let you compress images in JPG, PNG, WebP and many other formats. Resize images to exact file sizes and download in seconds.

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Upload Images

Drag and drop your images here

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Our Image Compression Tools

Choose the perfect tool to compress images based on your specific needs. Each specialized tool helps you resize images to different file sizes.

Resize to 20KB

Precisely compress images to 20KB for email attachments, messaging apps, and lightweight web content.

Resize to 20KB →

Resize to 100KB

Compress images to 100KB for social media posts, web images, and content that needs a balance of quality and size.

Resize to 100KB →

Resize to 500KB

Compress images to 500KB for professional photography, portfolios, and high-quality web content.

Resize to 500KB →

Compress Multiple Photos

Compress multiple photos in batch to save time while maintaining quality for each image.

Compress Multiple Photos →

Decrease Image Size

Decrease the size of images while preserving visual quality for faster loading and sharing.

Decrease Image Size →

Lower Image Size

Lower image size with intelligent compression algorithms that reduce file size while maintaining quality.

Lower Image Size →

Additional Compression Tools

Lower Photo Size

Lower photo size for faster sharing on social media and messaging apps without losing quality.

Lower Photo Size →

MB to KB Converter

Convert MB images to KB to reduce file size significantly for easier sharing and storage.

MB to KB →

Minimize Photo Size

Minimize photo size with advanced compression techniques that preserve visual quality.

Minimize Photo Size →

Minimize Picture Size

Minimize picture size for optimal storage and sharing while maintaining image clarity.

Minimize Picture Size →

Reduce Image

Reduce image file size for faster loading websites and efficient storage management.

Reduce Image →

Custom Compression

Compress images with custom settings to achieve your desired balance of quality and file size.

Custom Compression →

How to Compress Images Online

1. Upload Images: Click the upload button or drag and drop the images you want to compress

2. Select Images: Choose one or multiple images from the uploaded list to compress images in batch

3. Adjust Settings: Select your target file size or compression level to resize images appropriately

4. Preview Results: See how your compressed images will look before finalizing

5. Download: Save your compressed images individually or as a batch in your preferred format

Image Compression Features

✓ Exact Size Control: Compress images to specific file sizes like 20KB, 100KB, or 500KB

✓ Quality Preservation: Smart algorithms that maintain visual quality when you compress images

✓ Batch Processing: Compress multiple images simultaneously with the same settings

✓ Format Support: Compress images in PNG, JPG, WebP, GIF, AVIF and more formats

✓ Preview Mode: See exactly how your compressed images will look before finalizing

✓ Free to Use: Compress images without watermarks, subscriptions or limitations

Common Image Compression Applications

Website Optimization

Compress images to improve website loading speed and performance. Properly compressed images can significantly reduce page load times, improving user experience and SEO rankings.

Email Attachments

Resize images to smaller file sizes for email attachments, avoiding size limits and ensuring faster delivery. Compressing images to 20KB makes them perfect for email communications.

Social Media Sharing

Compress images for optimal display on social platforms while staying under upload limits. Resizing to 100KB is often perfect for social media posts that look great but load quickly.

Professional Portfolios

Compress high-quality images for professional portfolios that need to maintain visual fidelity. Resizing to 500KB provides an excellent balance of quality and reasonable file size.

Professional Image Compression Tips

✓ Choose the Right Format: Use JPEG for photographs, PNG for graphics with transparency, and WebP for modern web applications when you compress images.

✓ Consider Content Type: Images with less detail can be compressed more than complex images with fine details.

✓ Resize Dimensions First: If an image is larger than needed, resize its dimensions before applying compression to compress images more effectively.

✓ Check the Results: Always preview your compressed images to ensure they maintain acceptable quality for your needs.

✓ Batch Process Similar Images: When compressing multiple images of similar type, use batch processing with consistent settings for efficiency.

✓ Balance Quality and Size: Find the optimal balance between file size and quality when you compress images for different purposes.

Common Questions About Compressing Images

How much can I compress an image without losing quality?

The amount you can compress images without noticeable quality loss depends on the image content and format. Photographs can typically be compressed by 30-70% with minimal visual impact. Our intelligent compression tools analyze each image to find the optimal compression level.

Can I compress multiple images at once?

Yes, our tool allows you to compress multiple images simultaneously with the same settings. This batch processing feature saves significant time when you need to resize images to specific file sizes across multiple photos.

What's the best file size for web images?

For general web use, it's best to compress images to under 200KB, with many sites aiming for under 100KB per image. For thumbnails and icons, compressing to 20KB or less is ideal. For high-quality featured images, resizing to 500KB provides excellent quality with reasonable loading times.

Will compression affect image dimensions?

Our standard compression doesn't change image dimensions - we compress images by optimizing the data while maintaining the same width and height. However, if needed, you can also resize dimensions as part of the compression process to achieve smaller file sizes.

Advanced Image Compression Techniques

Lossy vs. Lossless Compression

Our tools offer both lossy and lossless options to compress images. Lossy compression (like JPEG) achieves smaller file sizes by removing some data, while lossless compression (like PNG) preserves all data but results in larger files.

Chroma Subsampling

For photographs, we can compress images using chroma subsampling, which reduces color information (which human eyes are less sensitive to) while preserving brightness details.

Metadata Removal

When you compress images with our tools, you can choose to strip unnecessary metadata (like EXIF data) to reduce file size without affecting visual quality.

Modern Format Conversion

Compress images by converting to modern formats like WebP or AVIF, which offer better compression efficiency than traditional formats like JPEG and PNG.

Start Compressing Your Images Now

Experience our professional-quality tools to compress images with powerful features and intelligent optimization.