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Compress Image

Reduce image file size with browser-side encoding controls.

Use the tool

Select an image or drag it into the box. Compatible images are processed in your browser.

Before you start

✓ Use a file your browser can read.
✓ Keep the original when it matters.
✓ Very large images can use substantial browser memory.
✓ Output format can affect quality, size and compatibility.
Read a related guide →

How this tool fits into a real workflow

Reduce image file size with browser-side encoding controls. The best output depends on where the file will be used. JPG is often practical for compatibility, PNG is useful for lossless graphics and transparency, and WebP can be useful for modern web delivery.

Browser processing

The tool is designed to process the selected image in the browser rather than sending it to a SwiftFileTool conversion server. Normal browser requests may still occur to load pages or third-party libraries. See the Privacy Policy.

Related resources

Explore all image tools or browse image guides for practical format and file-size advice.