Image Placeholder Generator
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Custom Image Placeholder Generator for Web Developers.

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Image Placeholder

How to use the Image Placeholder Generator

This tool is perfect for creating custom placeholder images tailored to your specifications. Ideal for web design mockups, user interface testing, or showcasing layouts in demo websites before final images are available or content is complete.

Steps to use the tool:

  1. Enter the Image Dimensions
    • Fill in the Width and Height fields with pixel values (e.g. 800 × 600).
      These are required fields and determine the size of your placeholder image
  2. Choose Background and Font Colours
    • Use the colour pickers to select a Background Colour and a Font Colour.
      These colours will be applied to the image background and the placeholder text.
  3. Select a Font Type
    • Choose from the dropdown list: Arial, Courier New, Times New Roman, or Verdana
  4. (Optional) Enter Font Size
    • Leave this blank to automatically calculate a suitable font size based on the image dimensions.
    • Or, specify a custom size in pixels if needed (e.g. 40).
  5. (Optional) Add Custom Text
    • Enter a short message (max 50 characters) to appear on the image.
    • If left blank, it will default to display “width x height” (e.g. “800 x 600”).
  6. Choose Image Format
    • Select your desired output format: JPG, PNG, WebP, or SVG.
    • Each format offers different compression or quality benefits.
  7. View the Live Preview
    • The tool automatically updates a live preview below the form as you change settings.
    • Scroll down to the “Preview” section to see the generated image.
  8. Download the Image
    • Click the “Download Image” button to save the image to your device.
    • The image file will be named placeholder.[format] (e.g. placeholder.jpg).
  9. Copy Image URL to Clipboard
    • Click the “Copy Image URL to Clipboard” button if you want to copy the image data URL.
      Confirm the action when prompted. The data URL can then be pasted into code or shared.
Image Placeholder Generator Tool

Optimum Website Image Sizes

1. Hero Images (Full Width Banners)

  • Recommended Size: 1920 x 1080 px
  • Explanation: Ideal for homepage banners or full-width sections. This resolution ensures high visual impact on large screens while maintaining quality. Optimise file size for faster loading.

2. Background Images

  • Recommended Size: 1920 x 1080 px or larger
  • Explanation: Used behind content sections or parallax effects. Should be large enough to fill screens without noticeable pixelation. Use JPG format for solid backgrounds, WebP for performance.

3. Blog Post Feature Images

  • Recommended Size: 1200 x 628 px
  • Explanation: Optimised for sharing on social media (especially Facebook and Twitter). This size ensures the image displays properly in preview cards and site headers.

4. Content Images (In-Post or In-Page)

  • Recommended Size: 800 x 600 px
  • Explanation: Used within articles or pages. Balanced for clarity and performance. Can be smaller depending on layout. Ensure responsive scaling for mobile.

5. Product Images (eCommerce)

  • Recommended Size: 800 x 800 px or 1000 x 1000 px
  • Explanation: Square images are standard for product grids. Offers a clean and uniform look. Use WebP or compressed PNG for high-quality display with smaller file sizes.

6. Thumbnails

  • Recommended Size: 150 x 150 px
  • Explanation: Common in galleries, blog listings, and product previews. Keep file size small while retaining clarity. Use JPG or WebP format.

7. Logo Images

  • Recommended Size: 250 x 100 px
  • Explanation: Suitable for header and footer logos. SVG is best for scalability and sharpness across all screen sizes. Avoid using raster images for logos.

8. Icons

  • Recommended Size: 64 x 64 px or 128 x 128 px
  • Explanation: Used for UI elements and buttons. SVG format is preferred for clarity and scalability without pixelation.

9. Fullscreen Gallery or Portfolio Images

  • Recommended Size: 1600 x 1200 px
  • Explanation: Used in image galleries or portfolios where detail is important. Large enough for high-res displays but should be compressed to reduce load time.

10. Open Graph (OG) Images for Social Sharing

  • Recommended Size: 1200 x 630 px
  • Explanation: Meta images that appear when a page is shared on social platforms. Ensures proper cropping and visibility in previews.

11. Hero Images (Full Width Banners)

  • Recommended Size: 1920 x 1080 px
  • Explanation: Ideal for homepage banners or full-width sections. This resolution ensures high visual impact on large screens while maintaining quality. Optimise file size for faster loading.

12. Background Images

  • Recommended Size: 1920 x 1080 px or larger
  • Explanation: Used behind content sections or parallax effects. Should be large enough to fill screens without noticeable pixelation. Use JPG format for solid backgrounds, WebP for performance.

13. Blog Post Feature Images

  • Recommended Size: 1200 x 628 px
  • Explanation: Optimised for sharing on social media (especially Facebook and Twitter). This size ensures the image displays properly in preview cards and site headers.

14. Content Images (In-Post or In-Page)

  • Recommended Size: 800 x 600 px
  • Explanation: Used within articles or pages. Balanced for clarity and performance. Can be smaller depending on layout. Ensure responsive scaling for mobile.

15. Product Images (eCommerce)

  • Recommended Size: 800 x 800 px or 1000 x 1000 px
  • Explanation: Square images are standard for product grids. Offers a clean and uniform look. Use WebP or compressed PNG for high-quality display with smaller file sizes.

16. Thumbnails

  • Recommended Size: 150 x 150 px
  • Explanation: Common in galleries, blog listings, and product previews. Keep the file size small while retaining clarity. Use JPG or WebP format.

17. Logo Images

  • Recommended Size: 250 x 100 px
  • Explanation: Suitable for header and footer logos. SVG is best for scalability and sharpness across all screen sizes. Avoid using raster images for logos.

18. Icons

  • Recommended Size: 64 x 64 px or 128 x 128 px
  • Explanation: Used for UI elements and buttons. SVG format is preferred for clarity and scalability without pixelation.

19. Fullscreen Gallery or Portfolio Images

  • Recommended Size: 1600 x 1200 px
  • Explanation: Used in image galleries or portfolios where detail is important. Large enough for high-res displays but should be compressed to reduce load time.

20. Open Graph (OG) Images for Social Sharing

  • Recommended Size: 1200 x 630 px
  • Explanation: Meta images that appear when a page is shared on social platforms. Ensures proper cropping and visibility in previews.

Optimisation Tip:

  • Always use responsive image techniques (e.g. srcset, lazy loading).
  • Compress images using tools like TinyPNG, ImageOptim, or convert to WebP for faster loading without quality loss.
  • Contact your web designers for assistance if required.

FAQs about Image Placeholder Generator

The Image Placeholder Generator is a browser-based tool that lets you create custom placeholder images by specifying size, background colour, font, text, and download format for use in web design mockups, UI prototypes, and demos.

No installation is required. Simply open the tool in any modern web browser such as Chrome, Firefox, or Edge to start using the tool immediately.

Enter your desired image width and height, choose background and font colours, select font type, optionally add text and font size, choose the output format, and the preview will update automatically.

You can generate and download images in four formats: JPG, PNG, WebP, and SVG, depending on your design needs and performance preferences.

Yes, a live preview is shown below the form as you change your inputs. This helps you see exactly what the final image will look like before downloading.

If left blank, the tool will automatically display the dimensions of the image (e.g. “800 x 600”) as the placeholder text in the centre of the image.

Yes, the tool allows you to select from Arial, Courier New, Times New Roman, and Verdana to match your design style or brand guidelines.

Yes. You can either enter a specific font size in pixels or leave the field blank to let the tool automatically calculate a suitable size based on the image dimensions.

Click the “Download Image” button below the preview. The image will be saved to your device using the format you selected.

No, the tool runs completely in your browser. All image generation happens locally, and nothing is uploaded or stored online.

Yes. but you need internet access to initially load the page.

Yes, the custom text field supports up to 50 characters to ensure the text fits well within the image boundaries.

Absolutely. The images generated are suitable for use on any website or project, especially useful during early stages of development or prototyping.

Yes, WebP offers better compression and quality than JPG or PNG. It reduces image file sizes without noticeable loss of quality, helping your website load faster.

Use image compression, convert to WebP format, enable lazy loading, and set up responsive image tags (srcset). These steps help deliver faster page load speeds and better SEO.

Disclaimer: DCP Web Designers are not liable for damage or loss of profits caused by using the Image Placeholder Generator Tool on this page.