iformat.io
Use our free PNG to 400KB compressor to reduce file size without losing quality. Perfect for optimizing PNG images for web, email, or storage, and download your file instantly on any device.
Compress your images, videos, and documents
Follow our simple 3-step process to compress PNG images to exactly 400KB without losing quality. No software download required - works directly in your browser.
Click "Choose Files" or drag and drop your PNG images directly into the upload area. Supports multiple files for batch compression to 400KB.
Drag & Drop PNG Files
Select "400KB" from the compression dropdown menu. Our smart algorithm automatically optimizes PNG images to achieve exactly 400KB file size.
Click "Compress All Files" and wait a few seconds. Download your 400KB optimized PNG files individually or as a ZIP archive.
Discover the perfect scenarios where 400KB PNG compression delivers optimal results for your specific needs.
Perfect for website thumbnails, blog images, and gallery previews. 400KB PNG files load 3x faster while maintaining visual quality for web display.
Ideal for email attachments and sharing. 400KB PNG files stay under most email size limits while preserving image clarity for recipients.
Optimized for Instagram stories, Facebook posts, and Twitter uploads. 400KB compression ensures fast uploads without quality loss on mobile networks.
Essential for mobile app assets and user-generated content. 400KB PNG files reduce app storage usage while maintaining sharp display quality.
Perfect for PowerPoint presentations, PDF reports, and Word documents. 400KB images keep document file sizes manageable without sacrificing visual impact.
Maximize your Google Drive, Dropbox, or OneDrive space. 400KB compression can reduce storage usage by 60-80% for large PNG photo collections.
Discover our complete suite of professional file compression tools for all your workflow needs
Using the iformat.io online tool, you can easily compress your PNG image to 400KB. Select an image from your device; the tool will reduce the PNG file size to your desired limit.
If your uploaded files exceed 400KB, the tool will automatically compress them to meet your specified limit while ensuring the best image quality.
The compression process is typically rapid. After you select an image, the tool processes it and presents you with the download link almost immediately.
