Best Free Online Image Compressor
Shrink your image sizes dramatically without losing quality. Perfect for websites, emails, and storage.
Smart Compression
Drastically reduce image file sizes without sacrificing noticeable visual quality.
Fast & Local
Compress images locally in your browser leveraging Web Workers for speed.
Maximum Control
Easily set your target file size in MB and adjust maximum dimensions.
Bulk Processing
Compress up to 50 images simultaneously and download them as a ZIP archive.
100% Secure
Your files never leave your device. All compression happens completely offline.
Broad Format Support
Compatible with JPEG, PNG, WEBP, and more standard web image formats.
How to Compress Images
Follow these easy steps to optimize your image file sizes.
Select Images
Upload the images you want to reduce in size. Drag & drop works great.
Set Targets
Choose your max desired file size (e.g., 1MB) and dimensions.
Compress
Click compress. Watch as the tool instantly shrinks your files.
Download
Save the fully optimized images to your device directly.
Frequently Asked Questions
Common questions about our conversion tools.
Latest from Our Blog
Tips, guides, and insights on image optimization, web performance, and choosing the right formats for your projects.
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A deep dive into PNG, JPEG, and WEBP formats and when to use each one for maximum quality and performance.
5 Tips for Optimizing Images
Learn how to reduce image file sizes without sacrificing quality for faster load times.
Image Formats & SEO
Discover the link between image optimization, page speed, and your search engine ranking.
About ConvertFree4U
A free, privacy-focused image and PDF conversion tool built for everyone.
ConvertFree4U was created with a simple mission: to provide a fast, secure, and completely free way to convert images and PDFs without compromising your privacy. Unlike other tools that upload your files to remote servers, we process everything locally in your browser using modern web technologies.
Privacy First
Your images stay on your device. We never see, store, or have access to your files.
Always Free
No hidden fees, no subscriptions, no limits. Convert unlimited images, forever free.
Modern Tech
Built with cutting-edge web technologies and AI-powered suggestions for the best results.