Crypto Tools15 tools

Blockchain and cryptography utilities. Unit converters, gas estimators, address validators, hash generators, and transaction formatters for ETH, BTC, and more.

All Crypto Tools

Unit Converter BTC/sat, ETH/wei/gwei
Local
Convert between BTC/satoshi, ETH/wei/gwei, and other crypto units.
Gas Fee Estimator ETH / Polygon / BSC
Local
Estimate gas fees on Ethereum, Polygon, and BSC networks.
Profit/Loss ROI + fees
Local
Calculate profit/loss, ROI, and fee impact on crypto trades.
Tx Formatter Explorer link + summary
Local
Format transaction hashes into explorer links with summary.
Mnemonic/Keystore Validator Client-side only
Local
Validate mnemonic phrases and keystore files client-side.
DCA Calculator Avg cost + P/L
Local
Dollar-cost averaging calculator with average cost and P/L.
APY ↔ APR Converter Compounding
Local
Convert between APY and APR with compounding frequency.
Token Holder Snapshot Top 10
Local
View top token holders snapshot for ERC-20 tokens.
Address Validator BTC + EVM
Local
Validate Bitcoin and EVM wallet addresses offline.
Block Height ↔ Time BTC + ETH
Local
Convert block heights to timestamps for BTC and ETH.
Impermanent Loss (Pro) AMM V2/V3
Local
Calculate impermanent loss for AMM V2 and V3 liquidity pools.
Token Vesting Simulator Chart + CSV
Local
Simulate token vesting schedules with charts and CSV export.
Contract Read/Write Simulator Safe eth_call
Local
Simulate smart contract read/write calls safely via eth_call.
Staking Comparator APY ranking
Local
Compare staking APY across validators and protocols.
Cold Storage Guide Checklist + quiz
Local
Interactive cold storage setup guide with checklist and quiz.

About Crypto Tools

Blockchain and cryptography utilities. Unit converters, gas estimators, address validators, hash generators, and transaction formatters for ETH, BTC, and more.

Privacy by design — For local-first paths in Crypto Tools, files stay in your browser session. If a helper service is needed, it is labeled before processing starts.

Browse other categories

Image Tools Video Tools Audio Tools PDF Tools Utility Tools Archive Tools Document Tools EPUB Tools Security Tools AI Tools