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JSON File to Base64 Converter
Convert JSON files to Base64 data URLs for embedding in web applications and APIs
JSON Upload
Input
Drag & drop your file here
or
Supported formats: JSON files
Maximum file size: 10MB
Base64 Data URL
Output
What is JSON File to Base64 Converter?
Convert JSON files to Base64 data URLs for embedding in web applications, API payloads, or configuration systems. This is useful when you need to transmit JSON data as a string, store configuration files in databases, or embed JSON in HTML data attributes. The tool generates a data URL with the data:application/json;base64,... prefix.
How to Use
1
Upload a JSON file
2
The tool automatically converts it to Base64
3
Copy the Base64 data URL output
4
Use it in API requests, data attributes, or configuration
5
Decode when needed to access the original JSON data
Common Use Cases
Send JSON configuration in API payloads
Store JSON data in HTML data attributes
Embed JSON files in database records
Package JSON configuration with web applications
Transmit JSON through text-only systems
Create self-contained HTML with embedded data
Key Features
Optimized for JSON file conversion
Generates valid data
application/json;base64,... URLs
Fast browser-based conversion (no upload required)
One-click copy to clipboard
Perfect for configuration and data files
Privacy-first
files stay on your device
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