Image Compressor
The best free local image compressor – compress your images instantly and securely in your browser, with no uploads required.
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Fast. Quality. Private.
Fast, high-quality, private — compress and compare images instantly, all for free.
Lightning-Fast Processing
Compression completes in milliseconds — no upload delays.
High Quality
Smart balance between clarity and file size.
Privacy First
All processing is done locally or in temporary memory to ensure your privacy and data security.
Real-Time Comparison
Original vs. Compressed — see the difference instantly.
Batch Processing
Upload multiple images and adjust compression settings in bulk.
100% Free Forever
Ready to use out of the box — no payment required.
How to Use?
Three simple steps to easily complete image compression
Upload Image (Drag Or Paste)
Smart Compression
Download & Save
Looks the same, feels way lighter
Compare image quality instantly — original vs. slim, with file size reduced by over 95%
Frequently Asked Questions
Everything you need to know about image compression, formats, quality settings, and more.
By default, 'Smart Adaptive' mode is enabled, which automatically recommends the best setting based on image type. You can also manually drag the quality slider or enter a target file size.
Yes. You can upload multiple images at once. The system compresses them in parallel and shows real-time results with a comparison slider for each.
Currently supports JPEG, PNG, WebP, GIF, and AVIF formats.
Each image can be up to 10MB.
The result depends on the original image’s quality, format, and complexity. Images with lots of details or transparency tend to have lower compression ratios.
Lossless: Smaller size reduction, but image quality is fully preserved. Lossy: Significantly reduces file size with minimal, usually unnoticeable, quality loss.
Try increasing the quality slider.