Compress your files to reduce size
Use our free JPEG to 400KB compressor to reduce file size without losing quality. Perfect for optimizing JPEG images for web, email, or storage, and download your file instantly on any device.
Compress your files to reduce size
Follow our simple 3-step process to compress JPEG images to exactly 400KB without losing quality. No software download required - works directly in your browser.
Click "Choose Files" or drag and drop your JPEG images directly into the upload area. Supports multiple files for batch compression to 400KB.
Select "400KB" from the compression dropdown menu. Our smart algorithm automatically optimizes JPEG images to achieve exactly 400KB file size.
Click "Compress All Files" and wait a few seconds. Download your 400KB optimized JPEG files individually or as a ZIP archive.