Online Image Compress
Compress PNG, JPG, and WebP files directly in your browser.
Drop images here or click to select files
Supports PNG, JPG, WebP
About Our Image Compression Tool
Our free online image compressor helps you reduce file sizes without sacrificing visual quality. Whether you're optimizing photos for your website, preparing images for social media, or simply trying to save storage space, our browser-based tool delivers professional results instantly.
How Online Image Compression Works
Image compression reduces the amount of data needed to represent an image. Our tool uses browser-based Canvas API processing to adjust compression parameters locally on your device. For JPG images, we control the quality setting to balance file size against visual fidelity. For PNG files, we apply lossless optimization techniques to remove unnecessary metadata and compress color data more efficiently.
WebP format offers the best of both worlds — superior compression compared to JPG while supporting transparency like PNG. When you choose WebP as your output format, you can typically achieve 25-35% smaller files than equivalent JPG images.
Supported Formats and Use Cases
Our compression tool supports PNG, JPG, and WebP input formats. You can maintain the original format or convert between formats during compression. This is particularly useful when you have PNG screenshots that would be better served as compressed JPG files, or when you want to modernize your image assets by converting to WebP.
Common use cases include: optimizing product photos for e-commerce sites, compressing portfolio images for faster loading, preparing social media content within platform size limits, and reducing email attachment sizes.
Privacy and Security
Unlike many online image tools, our compressor processes everything locally in your browser. Your images are never uploaded to remote servers, ensuring complete privacy. This makes our tool safe for processing sensitive images, confidential documents, or personal photographs.
Related Articles
- How to Compress Images Without Losing Quality
- JPG vs PNG: When to Use Each Format
- WebP vs JPG vs PNG: Complete Format Guide
Frequently Asked Questions
What is the best compression quality setting?
For most web use, 70-85% provides the best balance between quality and file size. For images with text, use 85-95%.
Does compression affect image dimensions?
No, our tool compresses without changing pixel dimensions. Only the file size and quality are affected.
Can I compress multiple images at once?
Yes, select multiple files or drag and drop a batch of images into the upload area.
Is there a file size limit?
We recommend images under 10MB for best performance, though larger files will still process.
Will my images be stored on your server?
No, all processing happens in your browser. Your images never leave your device.
Can I convert formats while compressing?
Yes, you can select a different output format in the options panel before processing.