Web3 Tools

Merkle Tree Builder

Build Merkle trees, generate proofs, and verify leaves against root hashes.

Leaf Values (one per line)

4 leaves

Merkle Root

0xaee1d7d32f49aa1a38d944b13058a6a0426d6b4c6d33070099c5b7fa98f4866f

Tree Visualization

Root

aee1d7d3…98f4866f

Level 1

b5235c66…5ed20484489e6aa2…814c4bb1

Leaves

81376b98…d329cd6a28cac318…57e679b69791f723…be0eff6fb4964039…7b34652d

Generate Proof

Select Leaf

Proof (2 steps)

[
  {
    "hash": "28cac318a86c8a0a6a9156c2dba2c8c2363677ba0514ef616592d81557e679b6",
    "position": "right"
  },
  {
    "hash": "489e6aa2a30a244a1dc315ab1277230b39436e99a7667ce6e9fbb60d814c4bb1",
    "position": "right"
  }
]

Verify Proof

Leaf Value

Root Hash

Proof JSON

Merkle Tree Builder: Build Merkle trees, generate proofs, and verify leaves against root hashes. Runs entirely in your browser — paste your input, get instant output, nothing is uploaded.

Related Tools

Wallet Address Validator

Validate Ethereum, Bitcoin, and Solana wallet addresses

Gas Fee Calculator

Calculate Ethereum gas fees in Gwei, ETH, and USD

ABI Encoder/Decoder

Encode and decode Ethereum smart contract ABI calls

Keccak-256 Hash

Calculate Keccak-256 hashes and Solidity function selectors

🔒 This tool runs entirely in your browser. No data is sent to any server.