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QR Code Decoder

Decode QR codes from images and extract the contained text or URLs

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: image/jpeg, image/png, image/gif, image/webp, image/bmp

Key Facts

Category
Design
Input Types
file
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The QR Code Decoder is a fast and reliable utility designed to extract hidden information from QR code images. Simply upload your image file to instantly reveal the embedded text, website URLs, or contact details without needing a mobile device.

When to Use

  • •When you have a QR code saved as an image file on your computer and need to access the link.
  • •When you need to copy the text content of a QR code for documentation or record-keeping.
  • •When you are unable to scan a code with your smartphone and require a desktop-based solution.

How It Works

  • •Upload your QR code image file (JPEG, PNG, GIF, WebP, or BMP) to the tool.
  • •The decoder automatically scans the image to identify the QR pattern.
  • •The tool extracts and displays the decoded text or URL directly on your screen.
  • •Copy the output to your clipboard for immediate use.

Use Cases

Extracting website URLs from saved marketing materials or digital flyers.
Retrieving plain text information embedded in inventory or product labels.
Quickly accessing Wi-Fi credentials or contact info stored in QR images.

Examples

1. Extracting a URL from a saved screenshot

Marketing Specialist
Background
Received a screenshot of a QR code for a webinar registration.
Problem
Cannot scan the screen with a phone while on the computer.
How to Use
Upload the screenshot file to the decoder.
Outcome
The tool instantly provides the registration URL, which can be clicked or copied.

2. Reading product information

Inventory Manager
Background
Has a folder of QR code images representing various product batches.
Problem
Need to verify the text data inside each code without using a physical scanner.
How to Use
Upload each image file one by one to extract the batch ID text.
Outcome
The batch ID text is displayed clearly, allowing for quick data entry into the inventory system.

Try with Samples

image, png, jpg
QR Code Samples
Sample QR code images for testing QR code reading and generation tools
title token code
image
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
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
Web Image Processing Rust Samples
Web Rust image processing examples including image read/save, scaling, and format conversion
preferred input family image
image

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FAQ

What file formats are supported?

The tool supports JPEG, PNG, GIF, WebP, and BMP image formats.

Is there a file size limit?

Yes, the maximum file size for uploads is 10 MB.

Can I decode multiple QR codes at once?

No, this tool processes one image file at a time.

Does this tool store my images?

No, images are processed for decoding and are not stored on our servers.

Does it work with blurry QR codes?

The tool works best with clear, high-contrast images. Extremely blurry or damaged codes may fail to decode.

API Documentation

Request Endpoint

POST /en/api/tools/qr-code-decoder

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes -

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

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-qr-code-decoder": {
      "name": "qr-code-decoder",
      "description": "Decode QR codes from images and extract the contained text or URLs",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=qr-code-decoder",
      "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]