Convert images between formats
Click to select an image
JPEG, PNG, WebP, GIF, BMP, SVG
Convert images between JPEG, PNG, and WebP formats online. Free client-side image converter - your files stay in your browser.
Upload your image by clicking the upload area or dragging and dropping the file. The converter accepts JPEG, PNG, and WebP formats as input.
Select the target format you want to convert to: JPEG for photographs and universal compatibility, PNG for images needing transparency, or WebP for modern web use with optimal compression.
Preview the converted image to verify the quality meets your requirements. The tool shows both the original and converted file sizes for comparison.
Download the converted image file, ready for use on your website, in your application, or for sharing.
Different platforms and use cases require specific image formats. Social media platforms, email clients, print services, and web applications often accept only certain formats. This converter lets you quickly switch between formats to meet any requirement.
WebP format offers 25-35% better compression than JPEG at equivalent quality, but not all platforms support it yet. This tool lets you convert between WebP and universally supported formats like JPEG and PNG when needed.
PNG supports transparency (alpha channel) while JPEG does not. Converting to PNG is essential when you need transparent backgrounds for logos, icons, and overlay graphics. Converting from PNG to JPEG is useful when transparency is not needed and smaller file size is desired.
All conversion happens in your browser using the Canvas API. Your images are never uploaded to any server, ensuring complete privacy for personal photos, product images, and confidential graphics.
The tool preserves image quality during conversion and gives you control over output quality settings, allowing you to balance file size against visual fidelity.
Convert photographs from PNG to JPEG to reduce file size by 70-90% with minimal quality loss. PNG is inefficient for photographic images.
Use WebP format for web images whenever your target audience uses modern browsers. It provides the best quality-to-size ratio of all three formats.
When converting to JPEG, remember that transparency is not supported. Transparent areas will be filled with a solid color (usually white).
For logos, icons, and graphics with sharp edges or text, prefer PNG over JPEG. JPEG compression introduces artifacts around sharp edges that are visible at any quality setting.
For photographs and complex images, use WebP (with JPEG fallback) for the best compression. For images requiring transparency (logos, icons), use WebP or PNG. For universal compatibility with older systems, use JPEG for photos and PNG for graphics. Modern best practice is to serve WebP with picture element fallbacks for maximum compatibility and performance.
Converting between lossy formats (JPEG, WebP) involves recompression which can introduce additional quality loss with each conversion. Converting to PNG from any format is lossless and preserves all pixel data. For best quality, always convert from the highest-quality source available and avoid multiple rounds of lossy conversion.
WebP is a modern image format developed by Google that provides both lossy and lossless compression. It typically produces files 25-35% smaller than JPEG at equivalent quality and supports transparency like PNG. All modern browsers (Chrome, Firefox, Safari, Edge) support WebP. It is now the recommended format for web images when universal compatibility with very old browsers is not required.
This tool is optimized for static image conversion between JPEG, PNG, and WebP formats. Animated GIF conversion requires special handling to preserve frame timing and animation data. For animated content, consider our Video to GIF tool or specialized animation converters.
PNG uses lossless compression, meaning every pixel is preserved exactly. JPEG uses lossy compression that discards visual information the human eye is unlikely to notice. For photographic images, this difference can be 5-10x in file size. PNG excels at compressing images with large areas of solid color, text, and sharp edges, but is inefficient for photographs.
No. All image conversion processing happens entirely in your browser using the HTML5 Canvas API. Your images never leave your device, are never uploaded to any server, and are never stored anywhere. This makes the tool completely safe for private photos, confidential product images, and any other sensitive visual content.