Compress images to 50 KB, 100 KB, 200 KB or your own limit.
Prepare photos for forms and attachments with a file size that fits.
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One-file workflow, up to 20 MB. Pick a compression mode that matches the result you want.
Smart vs. Lossless Image Optimization
Target size: Sets an upper file-size limit, not an exact byte count. Quality may decrease, and dimensions can shrink when allowed. PNG size reduction relies on smaller dimensions. Target mode outputs a still image, so animated WebP or PNG inputs lose animation.
Optimizing images is essential for fast page loading times, saving disk storage space, and meeting file attachment limits on government portals and mail systems. We provide two modes to match your requirements:
Smart Compression: Strips out redundant color pixels and processes visual quantization. Highly recommended for photographic JPG or WebP images where extreme size reduction is desired without creating visible compression artifacts.
Strict Lossless: Re-encodes metadata structures and optimizes color palettes without altering the visual data at all. This preserves bit-for-bit accuracy, which is ideal for technical drawings, logos, text-heavy graphics, and high-fidelity assets.
Frequently Asked Questions (FAQ)
Does image compression reduce visual quality?
Strict lossless mode reduces file size by removing metadata and optimization arrays without changing a single pixel. Smart compression uses subtle lossy algorithms to strip redundant color details, providing significant file size reductions while keeping the visual look unchanged.
What is the difference between Smart and Lossless compression?
Smart compression balances size and quality to shrink image sizes (up to 70-80% smaller) for web sharing. Lossless compression ensures the image output remains mathematically identical to the original input.
Are my files uploaded to your server?
Target size mode processes images on your device without uploading them. Smart and Strict lossless modes upload files for server processing.
How much can I reduce my file size?
Typical JPEG and WEBP photos can be reduced by 50% to 80% using Smart mode. PNG graphics may show smaller gains depending on transparency profiles and color layouts.
Can I compress multiple images at once?
Currently, the page is optimized to compress one file per request. This ensures stable browser resource consumption and immediate downloads.
Why did my file size not decrease after compression?
If an image has already been heavily compressed or optimized by other software, attempting to compress it further might not yield any additional savings. In such cases, our tool returns the original file to avoid corrupting pixels.