Crypto & Security
8 toolsStrong password generators, cryptographic hashing, mnemonic phrases, and blockchain address verification.
Tool list
Impermanent Loss Calculator
Estimate impermanent loss and ROI for liquidity pool positions across AMM pool types with price-change scenarios, fee income, farming rewards, HODL comparison, copy results, and JSON export.
Staking Rewards Calculator
Estimate staking rewards for ETH, SOL, MATIC, ATOM, ADA, and custom assets with static APR references, editable token prices, compounding, validator fees, reward projections, and JSON export.
Mnemonic Phrase Generator
Generate secure BIP39 mnemonic recovery phrases locally in your browser with 12, 15, 18, 21, or 24 words, optional passphrase, checksum validation, QR preview, and offline security guidance.
Gas Fee Calculator
Estimate gas fees for transfers, swaps, NFT minting, bridging, and approvals with static network references, editable gas values, USD estimates, copy actions, and JSON export.
Ethereum Unit Converter
Convert ETH, Wei, Gwei, Kwei, Mwei, Szabo, and Finney values with exact browser-based Ethereum unit calculations, gas fee estimates, copy actions, and JSON export.
Ethereum Address Validator
Check Ethereum wallet addresses, verify EIP-55 checksum formatting, normalize casing, and export structured validation results in your browser.
Transaction Hash Parser
Inspect Ethereum transaction hashes, validate hash format, prepare explorer links, and review sample transaction status, fees, gas, and decoded activity in your browser.
Bitcoin Address Validator
Check Bitcoin address format, checksum, and network compatibility for legacy, SegWit, Bech32, and Bech32m addresses directly in your browser.