Paranoid Qrypto: ETH AIRGAP BRIDGE

Configuration

To fetch data, you need a free API key from Etherscan. The key will be saved in your browser's local storage so you don't have to enter it again.

Generate QR Code:
Warning this is a Plaintext QR Code No Encryption everyone can read.

Enter any text or data below to generate a QR code.

Regenerate QR Code

Upload a photo of a QR code. This tool will attempt multiple methods to decode it and then regenerate a clean QR code from the extracted data.

Uploaded Thumbnail:

Regenerated QR:

Download QR

Decoded Content:

Debug Information:



Fetch Nonce & Gas Fees for Signing

Get account nonce and recommended gas fees for your air-gapped wallet.
The network selected here also sets the default for transaction broadcasting.

Broadcast Signed Transaction

Paste or scan the signed raw transaction hex from your air-gapped wallet.
Select the appropriate network for broadcasting.

A free OPEN SOURCE utility from Paranoid Qrypto™

View on GitHub
© 2025 The Paranoid Qrypto Team
Released under the Apache 2.0 License

Paranoid Qrypto: ETH AIRGAP BRIDGE Version: 1.0.0