Free online tool to compress JPG, PNG images to 100KB. Reduce image file size to under 100KB for profile pictures, thumbnails, and strict upload limits.
JPG, PNG, WebP • Batch Compression
Our algorithm aggressively optimizes the image data to ensure the final file size is definitely under 100KB.
100KB is the standard limit for profile pictures on many forums and legacy systems. We help you fit your photo in without cropping.
Images under 100KB load instantly on mobile networks. Perfect for optimizing blog thumbnails and website assets.
Many older websites, university portals, and forums have strict upload limits, often rejecting anything larger than 100KB.
Additionally, for web developers and bloggers, keeping thumbnails and banners under 100KB is crucial for achieving a fast page load speed and a high SEO score.
Just upload your photo. If it's a standard JPG, we optimize the encoding. If it's a large PNG, we might convert it to JPG to drastically reduce file size while keeping the visual fidelity acceptable for small screens.For a detailed tutorial, check out our guide on how to compress images to a specific size.
It depends on the original resolution. For a passport photo or a profile picture (e.g., 500x500 pixels), 100KB is plenty of room for high quality.
For a huge 4K wallpaper, compressing to 100KB will result in some loss of sharpness, but it will be perfect for thumbnail previews.
In the era of Google's Core Web Vitals, every kilobyte counts. Large header images or unoptimized thumbnails are the primary cause of slow Largest Contentful Paint (LCP). By compressing your images to 100KB, you ensure that your website assets load instantly even on 3G or unstable mobile networks.
Our tool doesn't just lower the quality; it strips away unnecessary EXIF metadata (like camera settings and GPS data) which can often take up 10-15KB on its own. This clean compression approach helps you maintain a professional look while achieving a 100/100 PageSpeed score.
Select your photos. We support JPG, PNG, and WebP.
The tool targets the <strong>100KB</strong> limit automatically.
Get your lightweight images instantly. No server uploads.
Upload your picture to this tool. It will automatically compress the file size to be less than 100KB.
