PNG to JSON Converter
Convert PNG images to JSON format, extracting image metadata and pixel data. Useful for web applications, data analysis, and more.
Upload PNG Image
Drop your PNG file here or click to select
Reduces the image to the specified width *before* converting for faster processing.
JSON Result
JSON output will appear here
Upload a PNG image and click "Convert to JSON"
Why Convert PNG to JSON?
Converting a PNG image to JSON allows you to represent the image's data in a structured, text-based format. This opens up possibilities for:
- Web Applications: Use the JSON data to dynamically display or manipulate images on web pages.
- Image Analysis: Easily access and process pixel data for analysis, filtering, or modification.
- Data Processing: Integrate image data into data pipelines and machine learning workflows.
- Storage & Transmission: Store image data in a text-based format that can be easily transmitted and parsed.
- Game Development: Load sprite sheets or level maps represented as JSON data.
Key Features
Data Extraction Options
- • Extract image metadata (width, height, filename).
- • Include pixel data (optional).
- • Multiple pixel data formats:
- RGBA (object with red, green, blue, alpha)
- Hex (string representing the color)
- RGB Array (array of [red, green, blue])
- • Output pixel data as a single array, or as an array of rows.
- • Adjustable maximum processing width for large images.
Output & Customization
- • Customizable JSON indentation for readability.
- • Copy JSON to clipboard.
- • Download JSON as a file.
How to Use
- Upload a PNG image using the file uploader.
- Basic Settings:
- Adjust "Max Processing Width" (optional) to limit image size for faster conversion.
- Choose whether to include "Metadata" and/or "Pixel Data".
- Choose whether to output pixel data as a single array or an array of rows.
- Advanced Settings:
- If including pixel data, select the "Pixel Data Format" (RGBA, Hex, or RGB Array).
- Set the desired "JSON Indentation" for better readability.
- Click the "Convert to JSON" button.
- The generated JSON will be displayed. You can copy it to your clipboard or download it as a .json file.
Frequently Asked Questions
What does "Max Processing Width" do?
This setting limits the width of the image *during processing*. Larger images, especially with pixel data included, can take longer to convert and produce large JSON files. Reducing the processing width can significantly improve performance. The original image is not modified.
What are the different pixel data formats?
The tool offers three pixel data formats:
- RGBA: An object with `r`, `g`, `b`, and `a` (alpha/transparency) properties for each pixel. Provides the most detailed information.
- Hex: A string representing the color in hexadecimal format (e.g., `#FF0000` for red). More compact than RGBA.
- RGB Array: An array `[r, g, b]` representing the red, green and blue colour values.
What happens if I include pixel data for very large images?
Including pixel data for large images can create *very large* JSON files, which can be slow to generate, display, download, and process. Use this option carefully and consider reducing the "Max Processing Width" if you encounter performance issues or large file sizes.
Are my uploaded images stored?
No, your images are processed directly in your browser using client-side JavaScript. They are not uploaded to any server, ensuring your privacy.
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