Image Compressor
Make images lighter for faster websites without sacrificing visual clarity. Compress batches of JPEG, PNG, and WebP files locally in your browser with real-time size comparisons.
How to Compress Images Online
Shrink image file sizes in three simple steps without uploading files to any server.
Drop or Select Images
Drag up to 10 PNG, JPEG, or WebP files (up to 20 MB each) directly into the dropzone.
Choose Format & Quality
Select WebP for modern web publishing or JPEG for universal support, and adjust the quality slider (75%–80% recommended).
Compress & Download
Review the exact byte savings per image and download your optimized files individually or in a batch.
Why Use Pinatool’s Image Compressor?
Modern WebP & JPEG Output
Reduce image file sizes while balancing compression and visual quality. Actual savings depend on the source image, format, and selected quality settings.
Faster Core Web Vitals
Smaller image files can reduce page weight and help improve loading performance, particularly on pages with large hero images and image-heavy content.
Browser-Local Processing
Your files are processed directly in your browser and are not uploaded to Pinatool's servers.
Frequently Asked Questions
Learn how client-side image compression keeps your files private and lightweight.
How does client-side image compression work without uploading files?
When you drop images into the tool, your browser decodes and re-encodes them into optimized WebP or JPEG files directly on your device. No network requests are made, ensuring complete confidentiality.
Which image file formats are supported?
You can upload JPEG (.jpg, .jpeg), PNG (.png), and WebP (.webp) files up to 20 MB each. You can export compressed outputs as modern WebP (ideal for websites) or standard JPEG (for broad compatibility).
What is the recommended quality setting?
A quality setting of 75% to 80% is recommended for web graphics, helping reduce file size while maintaining good visual quality. Actual savings depend on the source image, format, and selected settings.
What happens to PNG transparency when compressing to JPEG?
JPEG does not support transparent backgrounds. When exporting transparent PNGs to JPEG, transparent areas are cleanly filled with a solid white background. To preserve transparency, select WebP output.
Are my images stored or logged by Pinatool?
Never. All processing happens entirely inside your browser tab. Your files never touch Pinatool servers, third-party analytics, or cloud storage.
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