ConvertOnline

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

1. Convert Online›
2. Image Tools›
3. PNG to HEIF

{
  "convert": "png-heif",
  "multiple": true,
  "from": "png",
  "to": "heif",
  "controls": [
    {
      "type": "range",
      "name": "quality",
      "label": "Quality",
      "range": {
        "min": 1,
        "max": 100,
        "value": 50
      },
      "desc": "Desired quality of output image, an integer value in the range 1-100, lower quality results in lower file size"
    },
    {
      "type": "color",
      "name": "backgroundColor",
      "label": "Background Color",
      "defaultValue": "#FFFFFF",
      "desc": "desired background color for the transparent area"
    }
  ],
  "from_desc": "<p><strong>PNG (Portable Network Graphics)</strong> is a raster graphics file format that supports lossless data compression. It was created as an improved and non-patented replacement for GIF (Graphics Interchange Format). PNG is widely used across various fields due to its ability to maintain high image quality and support for transparency.</p><h3>Usage in Specific Fields</h3><ul><li><strong>Web Design:</strong> PNG is commonly used in web design for logos, icons, and other images that require transparency and high quality.</li><li><strong>Graphic Design:</strong> Graphic designers use PNG files for images that need to maintain quality during editing and for web publishing.</li><li><strong>Digital Art:</strong> Digital artists prefer PNG for artworks that require rich colors and fine details without losing quality.</li><li><strong>Photography:</strong> While not as common as JPEG for photographs, PNG is used when lossless compression and transparency are needed.</li></ul><h3>Specific Properties Regarding Color Channels</h3><ul><li><strong>Alpha Channel:</strong> PNG supports an alpha channel, which allows for varying levels of transparency. This makes PNG ideal for images that need to be layered over different backgrounds.</li><li><strong>Color Depth:</strong> PNG supports a wide range of color depths, from grayscale images with 8 bits per pixel to truecolor images with 24 bits per pixel (8 bits per channel for red, green, and blue).</li><li><strong>Palette-based Images:</strong> PNG supports indexed-color images, which can store up to 256 colors in a palette. This is useful for reducing file size without significantly compromising image quality.</li><li><strong>Gamma Correction:</strong> PNG files can store gamma correction information, which helps ensure consistent display of images across different devices and platforms.</li></ul><h3>Advantages of PNG</h3><ul><li><strong>Lossless Compression:</strong> PNG's lossless compression ensures that no image data is lost during saving, resulting in high-quality images.</li><li><strong>Transparency:</strong> The alpha channel allows for smooth transparency effects, making PNG ideal for web graphics that need to blend seamlessly with backgrounds.</li><li><strong>Wide Compatibility:</strong> PNG is widely supported across web browsers, graphic design software, and operating systems.</li></ul><h3>Limitations of PNG</h3><ul><li><strong>File Size:</strong> PNG files can be larger than other formats like JPEG, especially for high-resolution images with a lot of detail.</li><li><strong>Not Suitable for Print:</strong> Due to the larger file sizes and lower compression efficiency for continuous-tone images, PNG is not the best choice for print media where file size and quality need to be balanced.</li></ul>",
  "to_desc": "<p><strong>HEIF (High Efficiency Image Format)</strong> is a modern image format that utilizes advanced compression methods to reduce file size while maintaining high image quality. It was developed by the Moving Picture Experts Group (MPEG) and is based on the High Efficiency Video Coding (HEVC) standard. HEIF is designed to store both images and sequences of images, making it suitable for a variety of applications.</p><h3>Usage in Specific Fields</h3><ul><li><strong>Mobile Photography:</strong> HEIF is widely used in smartphones, particularly in Apple's iOS devices, to save space while capturing high-quality photos and live images.</li><li><strong>Web Development:</strong> Web developers use HEIF to optimize images for faster loading times and better performance on websites.</li><li><strong>Social Media:</strong> HEIF's efficient compression is beneficial for social media platforms where storage and bandwidth efficiency are crucial.</li><li><strong>Digital Storage:</strong> The format is ideal for storing large image libraries due to its ability to maintain quality while reducing file size.</li></ul><h3>Specific Properties Regarding Color Channels</h3><ul><li><strong>Color Depth:</strong> HEIF supports 8-bit and 10-bit color depths, which allows for a wider range of colors and more detailed images compared to traditional 8-bit formats.</li><li><strong>Color Spaces:</strong> The format supports various color spaces, including RGB, YCbCr, and monochrome, making it versatile for different types of images.</li><li><strong>Alpha Channel:</strong> HEIF can include an alpha channel for transparency, similar to PNG, which is useful for images requiring overlay capabilities.</li><li><strong>Advanced Compression:</strong> HEIF uses HEVC compression, which provides better compression efficiency than JPEG and PNG, resulting in smaller file sizes without significant loss of quality.</li></ul><h3>Advantages of HEIF</h3><ul><li><strong>Efficient Compression:</strong> HEIF offers significantly better compression than traditional formats like JPEG, reducing file size while maintaining high image quality.</li><li><strong>High Quality:</strong> The format supports high color depth and a wide range of color spaces, making it ideal for detailed and vibrant images.</li><li><strong>Support for Image Sequences:</strong> HEIF can store multiple images in a single file, making it suitable for animations, burst photos, and live photos.</li><li><strong>Metadata and Editing:</strong> HEIF files can store extensive metadata and allow for non-destructive editing, which preserves the original image quality.</li></ul><h3>Limitations of HEIF</h3><ul><li><strong>Compatibility Issues:</strong> Although support for HEIF is growing, it is not as universally compatible as older formats like JPEG and PNG. Some older devices and software may not support HEIF natively.</li><li><strong>Processing Power:</strong> Encoding and decoding HEIF images require more processing power compared to simpler formats, which may impact performance on lower-end devices.</li><li><strong>Licensing Concerns:</strong> The use of HEVC compression in HEIF may involve licensing fees, which can be a consideration for developers and organizations.</li></ul>"
}