Convert images between JPG, PNG, WebP, GIF, and SVG formats. Customize size and quality.
The Image Format Converter lets you convert images between all major formats including JPEG, PNG, WebP, and GIF — directly in your browser with no upload required. Change image formats instantly while preserving quality, adjusting dimensions, and customizing background color for transparent images.
This tool is a browser-based image conversion utility that uses the HTML5 Canvas API to re-encode images from one format to another. You upload an image in any supported format, choose your target format, configure optional settings like output dimensions and quality, and download the converted file. The entire process happens locally in your browser without any server-side processing.
Different image formats have different strengths and are suited to different use cases. JPEG is the standard for photographs and complex images where small file size matters more than perfect quality. PNG is the go-to format for graphics, logos, screenshots, and images that require transparency. WebP is a modern format developed by Google that offers superior compression compared to both JPEG and PNG, making it the recommended choice for web images in 2024 and beyond. GIF supports animation and is still widely used for simple animated graphics.
Converting between formats is a common task in web development, graphic design, and content creation. You might need to convert a PNG logo to WebP for your website, convert a JPEG photo to PNG to preserve transparency after editing, or convert a WebP image to JPEG for compatibility with older software. This tool handles all of these conversions instantly, with no quality loss beyond what is inherent to the target format's compression algorithm.
Converting an image to a different format takes just a few seconds — follow these steps.
When converting to WebP for web use, a quality setting of 80–85% typically produces files that are visually indistinguishable from the original JPEG while being 25–35% smaller. For lossless WebP (equivalent to PNG), the file size reduction is smaller but quality is perfectly preserved. Always test your converted images at actual display size to verify the quality is acceptable before deploying them to production.
When converting transparent PNG images to JPEG, choose your background color carefully. White is the most common choice for images that will appear on white backgrounds, but if your image will appear on a dark background, a black or dark fill will look more natural. For images that will appear on a colored background, use the custom color picker to match the exact background color of your page or design.
For SVG to raster conversion, set the output dimensions to the largest size you will need, as scaling up a raster image later will reduce quality. If you need the same image at multiple sizes, convert it multiple times at each required size rather than scaling up a smaller raster version. SVG files can be converted at any resolution without quality loss, so always start from the SVG source.
Webutilbox provides this tool completely free with no registration, no file size limits, and no watermarks on converted images. The tool handles all major web image formats in a single interface, eliminating the need to install desktop software or use multiple different online tools for different conversion tasks.
Because all conversion happens locally in your browser, your images never leave your device. This makes the tool safe for use with proprietary brand assets, client images, and any other content you would not want to upload to a third-party server. The tool also works offline after the page has loaded, making it useful in environments with restricted internet access.
Your privacy is our priority. All processing happens entirely in your browser using JavaScript. No files, data, or inputs are ever uploaded to any server. Everything stays on your device, making this tool completely safe to use with sensitive content.