Compression
100% Client-Side Privacy

Image Compressor

Powerful client-side image compression engine. Select a target size in KB (e.g. 20 KB, 50 KB, 100 KB, 200 KB) or use a percentage slider. Uses iterative binary search canvas encoding to hit your desired file weight without uploading files to remote servers.

Select or drop an image to compress

Target exact file sizes in KB with private in-browser compression.

Browse Fileor Paste (Ctrl+V)
Supported: image/jpeg, image/png, image/webp, image/bmp (Max 50 MB)

How to Use Image Compressor

Follow these easy steps to process your file right in your browser.

1Step 1

Upload your image

Drag and drop your image or click to select a file from your device.

Instant local processing
2Step 2

Set target file size or quality

Click a preset (e.g. 20 KB, 50 KB, 100 KB, 200 KB) or enter a custom target size in KB.

Instant local processing
3Step 3

Run local compression

Our engine performs binary search iterations to find the exact balance between clarity and file weight.

Instant local processing
4Step 4

Download compressed image

Review the file size reduction percentage and download your optimized image.

Instant local processing

Frequently Asked Questions

Common questions about Image Compressor and browser processing.

Our algorithm performs iterative binary-search encoding across quantization matrices and scale factors until the resulting file buffer matches your target KB.

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