Image Format Converter

Convert between JPG, PNG, WebP, GIF and other image formats

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Drag & drop or click to upload image

Supported formats: JPG, PNG, WebP, GIF, BMP (max 20MB)

Note

  • All processing happens in your browser - images are not uploaded to any server
  • PNG uses lossless compression, JPG/WebP use lossy compression
  • WebP is supported by most modern browsers
  • Transparency is only preserved in PNG and WebP formats

Use Cases

Web Optimization

Convert JPG/PNG to WebP for faster page loading

Preserve Transparency

Save logos and icons with transparent backgrounds in PNG

Ensure Compatibility

Convert WebP to JPG/PNG for older browser support

Reduce File Size

Convert lossless PNG to lossy JPG for smaller files

Frequently Asked Questions

What image format conversions are supported?

Mutual conversion between JPG, PNG, WebP, GIF, and BMP formats is supported. For example, converting JPG to PNG, PNG to WebP, and WebP to JPG are all possible. All conversions are processed directly in the browser, so images are not sent to external servers.

What is the difference between JPG and PNG?

JPG (JPEG) is a lossy compression format suitable for photos with complex colors and provides smaller file sizes. PNG is a lossless compression format that supports transparent backgrounds and is suitable for logos, icons, and images with sharp text. Choosing the appropriate format based on your use case can optimize both file size and image quality.

Does the image quality change during format conversion?

When converting from PNG to JPG, lossy compression is applied and some quality degradation may occur depending on the quality setting. Conversely, converting from JPG to PNG increases file size but causes no additional quality loss. WebP combines the advantages of both JPG and PNG, providing smaller file sizes at the same quality level.

Is transparent background preserved?

Transparent backgrounds (alpha channel) are only preserved in PNG and WebP formats. When converting an image with a transparent background to JPG or BMP, the transparent area is filled with a white background. For images where transparency is important, always save in PNG or WebP format.

Characteristics and Uses of Each Image Format

Each image format has its own unique characteristics, and it is important to choose the right format for your purpose. Choosing the wrong format can result in unnecessarily large file sizes or quality degradation. Understanding the characteristics of each format allows you to optimize both web performance and image quality simultaneously.

Comparing Major Image Formats (JPG, PNG, WebP, GIF)

JPG is a lossy compression format optimized for photos and complex gradient images. PNG is a lossless format suitable for graphics that require transparent backgrounds and sharp edges. WebP is a next-generation format developed by Google that provides 25-35% smaller file sizes compared to JPG while also supporting transparency. GIF is mainly used for simple animations and supports only 256 colors.

Recommended Image Formats by Use Case

For website banners and photo content, prioritize WebP and provide JPG as a fallback for compatibility. PNG is suitable for logos, icons, and UI elements, while WebP is also a good choice when transparency is not needed. For social media profile photos and thumbnails, reducing size with JPG format is advantageous in terms of upload speed and display quality.

This calculator is provided for informational purposes only.

Results are estimates and may differ from actual amounts.

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