Categories

← View All Tools

PNG to JPEG Converter

Convert PNG images to JPEG format with quality control and background options

Click to upload file or drag and drop file here

Maximum file size: 50MB Supported formats: image/png

1 85 100

JPEG quality level (1-100, higher is better)

Background color for transparent areas (hex format)

Preserve original image metadata (EXIF, IPTC, XMP)

Create progressive JPEG for better web loading experience

Key Facts

Category
Media
Input Types
file, range, color, checkbox
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The PNG to JPEG Converter allows you to quickly transform transparent PNG images into the widely compatible JPEG format while maintaining control over image quality, background color, and metadata preservation.

When to Use

  • •Reducing file sizes for web optimization by converting heavy PNGs to compressed JPEGs.
  • •Ensuring compatibility with platforms or software that do not support transparent PNG files.
  • •Preparing images for faster loading by utilizing progressive JPEG rendering.

How It Works

  • •Upload your PNG file using the file selector.
  • •Adjust the quality slider and choose a background color to replace the transparent areas.
  • •Select optional settings like metadata preservation or progressive loading.
  • •Click the convert button to process your image and download the resulting JPEG file.

Use Cases

Optimizing website assets to improve page load speeds.
Converting screenshots or graphics for email attachments that require smaller file sizes.
Standardizing image formats for legacy systems that require JPEG input.

Examples

1. Web Performance Optimization

Web Developer
Background
A website hero section uses a large PNG file that is slowing down page load times.
Problem
The image is too heavy for mobile users and lacks a solid background.
How to Use
Upload the PNG, set quality to 75, and select a white background color.
Example Config
quality: 75, backgroundColor: #ffffff, progressive: true
Outcome
A significantly smaller JPEG file that loads progressively, improving the site's Core Web Vitals.

2. Legacy System Compatibility

Office Administrator
Background
An internal document management system only accepts JPEG files for profile uploads.
Problem
User profile photos are currently saved as PNGs, causing upload errors.
How to Use
Upload the PNG profile photo and convert it to JPEG without changing the quality settings.
Example Config
quality: 85, backgroundColor: #ffffff
Outcome
A compatible JPEG file that is accepted by the document management system.

Try with Samples

image, png, jpg
Web Image Processing Python Samples
Web Python image processing examples using PIL/Pillow including reading, saving, resizing, and format conversion
preferred input family image
image
Web Image Processing Go Samples
Web Go image processing examples including image reading/saving, image resizing, and format conversion
preferred input family image
image
PNG Samples
Sample PNG images in different aspect ratios and resolutions
title token png
image
Windows Image Processing C++ Samples
Windows C++ image processing examples including reading/saving images, resizing, and format conversion using Windows Imaging Component (WIC)
preferred input family image
image

Related Hubs

Image Convert Tools
Explore 100 image tools for convert workflows and compare closely related utilities quickly.
Image Tools
Explore 40 image tools for utility workflows and compare closely related utilities quickly.
Json Convert Tools
Explore 100 json tools for convert workflows and compare closely related utilities quickly.
Audio Convert Tools
Explore 100 audio tools for convert workflows and compare closely related utilities quickly.

FAQ

What happens to the transparent background of my PNG?

Since JPEG does not support transparency, the tool fills transparent areas with your chosen background color, which defaults to white.

Can I adjust the file size of the output?

Yes, you can use the JPEG Quality slider (1-100) to balance between file size and image clarity.

What is a progressive JPEG?

A progressive JPEG loads in stages, displaying a blurry version of the image first that sharpens as it downloads, which is ideal for web performance.

Will I lose my image metadata?

By default, metadata is removed, but you can enable the 'Keep Metadata' option to preserve EXIF, IPTC, and XMP data.

Is there a limit to the file size I can upload?

Yes, the tool supports individual PNG files up to 50MB.

API Documentation

Request Endpoint

POST /en/api/tools/png-to-jpg

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes -
quality range No JPEG quality level (1-100, higher is better)
backgroundColor color No Background color for transparent areas (hex format)
keepMetadata checkbox No Preserve original image metadata (EXIF, IPTC, XMP)
progressive checkbox No Create progressive JPEG for better web loading experience

File type parameters need to be uploaded first via POST /upload/png-to-jpg to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-png-to-jpg": {
      "name": "png-to-jpg",
      "description": "Convert PNG images to JPEG format with quality control and background options",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=png-to-jpg",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]