JSON Builder
Generate Clear Signing metadata for your smart contracts in under 10 minutes using our visual interface.
The JSON Builder provides a visual interface for creating metadata files
How to Use
Visit the Tool
Go to the ERC-7730 JSON Builder
Enter Contract Details
Provide your smart contract address and select the chain
Add Metadata
Enter your dApp information, including name and URL
Define Functions
Select which functions you want to create metadata for
Configure Display
Define how each function and its parameters should be displayed
Preview
Test how your metadata will appear on a Ledger device
Export
Download the generated JSON file
Preview Example
Here’s how Clear Signing appears on a Ledger device:
Clear Signing shows readable transaction details for better verification
Next Steps
Validate & Submit →
Test your metadata and submit to the registry
Advanced Features →
Add complex formatting or EIP-712 support
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