ConvertOnline

• Document
• Image
• Color
• Maths
• Physics
• ⇆ Units
• 🇺UTF-8
• Calculators
• Current Time
• Notepad

1. Convert Online›
2. Image Tools›
3. IMAGE to JPG

{
  "convert": "image-jpg",
  "multiple": true,
  "from": "image",
  "to": "jpg",
  "controls": [
    {
      "type": "range",
      "name": "quality",
      "label": "Quality",
      "range": {
        "min": 1,
        "max": 100,
        "value": 80
      },
      "desc": "Desired quality of output image, an integer value in the range 1-100, lower quality results in lower file size"
    }
  ],
  "to_desc": "<p><strong>JPG (Joint Photographic Experts Group)</strong> is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable trade-off between storage size and image quality. JPG is one of the most widely used image formats due to its efficient compression and wide compatibility.</p><h3>Usage in Specific Fields</h3><ul><li><strong>Digital Photography:</strong> JPG is the standard format for storing and sharing photographs due to its efficient compression and relatively high image quality.</li><li><strong>Web Design:</strong> JPG is frequently used for web images, especially for photographs and complex images where small file size is important for faster loading times.</li><li><strong>Social Media:</strong> Social media platforms often use JPG for user-uploaded photos due to its balance of quality and file size.</li><li><strong>Printing:</strong> JPG is commonly used for printing digital photos, as it provides good quality images that are suitable for print.</li></ul><h3>Specific Properties Regarding Color Channels</h3><ul><li><strong>Color Depth:</strong> JPG supports 24-bit color, which means it can display over 16 million colors. This makes it ideal for images with a wide range of colors and subtle color gradients.</li><li><strong>Chroma Subsampling:</strong> JPG uses chroma subsampling to reduce file size by averaging the color information of nearby pixels. This can reduce the amount of color data without significantly impacting perceived image quality.</li><li><strong>Compression Artifacts:</strong> Because JPG uses lossy compression, it can introduce compression artifacts, which are visual distortions that occur when the image is highly compressed. These artifacts can appear as blocky or blurry areas in the image.</li></ul><h3>Advantages of JPG</h3><ul><li><strong>Efficient Compression:</strong> JPG's lossy compression algorithm effectively reduces file size while maintaining relatively high image quality, making it ideal for sharing and storing large numbers of photos.</li><li><strong>Wide Compatibility:</strong> JPG is universally supported by web browsers, image viewers, and graphic design software, ensuring that images can be easily viewed and edited across different platforms.</li><li><strong>Good Quality:</strong> JPG provides good image quality for photographs and images with complex color gradients, making it suitable for a wide range of applications.</li></ul><h3>Limitations of JPG</h3><ul><li><strong>Lossy Compression:</strong> JPG compression is lossy, meaning that some image data is permanently lost during compression, which can lead to a reduction in image quality, especially after multiple edits and saves.</li><li><strong>No Transparency:</strong> Unlike PNG, JPG does not support transparency. This makes it less suitable for images that need to be overlaid on different backgrounds.</li><li><strong>Compression Artifacts:</strong> High levels of compression can introduce visible artifacts that reduce the overall quality of the image, particularly in areas with sharp edges or fine details.</li></ul>"
}