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Image Upscaler

ImagePixelPro v2.0

Compress Image to 400KB Online - Free Tool

Best free tool to compress images to 400KB. Reduce JPG/PNG size to under 400KB without quality loss.

Popular Compressions

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Smart Image Compressor: Reduce File Size up to 90%

Optimize your images for websites, emails, and SEO performance. Bulk Image Compressor reduces load time significantly without visible quality loss. Whether you are a web developer, photographer, or just need to upload photos to a portal with size limits, this tool handles it all.

High Compression

Shrink 5MB photos to 200KB instantly. Save storage space and bandwidth.

Faster Websites

Smaller images mean faster page loads, better user experience, and improved SEO scores.

Secure Processing

Compression happens locally in your browser. Your sensitive documents and photos are never uploaded to a server.

Full Control

Choose between manual quality sliders or set a specific target file size (e.g., 20KB, 50KB).

How to Compress Images

  1. 1
    Select your images

    Upload your JPG, PNG, or WebP files. You can drag and drop multiple files at once.

  2. 2
    Adjust Compression

    Use "Auto" mode to adjust quality percentage, or "Fixed Size" mode if you need files to be under a specific limit (e.g. 100KB).

  3. 3
    Download

    Click "Compress All" then download your optimized lightweight images individually or as a ZIP.

Frequently Asked Questions

Our smart compression algorithm creates a balance between file size and image quality. In most cases (especially at 70-80% quality), the difference is barely visible to the human eye, but the file size is significantly smaller.
Switch to 'Fixed Size' mode in the toolbar. Enter '20' in the Max KB field. The tool will automatically adjust the quality and dimensions for each image to meet your target file size.
Yes, ImagePixelPro Image Compressor is 100% free and supports unlimited usage. Since processing happens on your device, there are no server costs for us to pass on to you.

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