Tools | Spark

Bitcoin Address Validator

Base58 Encoder/Decoder: Convert Text, Hex, and Bitcoin Addresses

Bitcoin Batch Transaction Calculator

Bech32 Encoder/Decoder: Bitcoin SegWit Address Tool

Bitcoin Address Formats Explained: Legacy, SegWit, Taproot

Bitcoin Energy Calculator: Mining Power Consumption Analysis

Bitcoin Privacy Tools Compared: CoinJoin, PayJoin, Silent Payments

Bitcoin Rainbow Chart: Long-Term Price Band Indicator

Bitcoin Transaction Size Reference: Bytes, Weight, and Fees

Bitcoin vs Ethereum: Key Differences Compared

Bitcoin vs Solana for Payments: Speed, Fees, and Finality

Bitcoin Wallet Ecosystem Map: Hardware, Mobile, Desktop, Web

Bitcoin Block by Date

Bitcoin Block Reward Calculator

Blockchain Speed Comparison: TPS and Finality Across 15+ Chains

Bridge Fee Calculator: Compare Cross-Chain Bridge Costs

Blockchain Bridge Security Comparison: Trust Models and Track Records

Blockchain Fee Comparison: Gas Fees Across 15+ Chains

Lightning Channel Size Calculator

UTXO Consolidation Calculator

Cross-Border Payment Speed Comparison: SWIFT vs Crypto vs Fintech

Crypto Converter: Live Exchange Rates

Crypto Exchange Fee Comparison: Coinbase vs Kraken vs Binance

Crypto Payroll Calculator: Cost of Paying Employees in Crypto

Crypto Profit Calculator

Crypto QR Code Generator: Bitcoin, Ethereum, USDC Payment Codes

Crypto Tax Calculator: Estimate Capital Gains Tax on Crypto

Crypto Custody Solutions Compared: Fireblocks vs BitGo vs Anchorage

Bitcoin DCA Calculator

Bitcoin Difficulty Adjustment: How Mining Difficulty Works

Bitcoin Dust Calculator

Crypto Fear & Greed Index: Market Sentiment Tracker

Bitcoin Fee Estimator

Gwei to ETH Converter

Bitcoin Halving Countdown

Hex Converter: Hexadecimal to Text, Decimal, Binary, and Base64

IBAN Validator: Check International Bank Account Numbers

Impermanent Loss Calculator: DeFi Liquidity Pool Risk Analysis

Crypto Invoice Generator: Create Bitcoin and Stablecoin Invoices

Layer 2 Comparison: Arbitrum vs Base vs Optimism vs Lightning vs Spark

Layer 2 Security Models Compared: Rollups, Channels, Sidechains, Spark

Lightning Invoice Decoder

Lightning Node Implementations Compared: LND vs CLN vs LDK vs Eclair

Lightning Network Statistics

Lightning vs On-Chain Fee Comparison

Lightning Network vs Visa: Speed, Fees, and Throughput Compared

Crypto Market Cap Calculator

Merchant Savings Calculator: Credit Cards vs Crypto Payments

Bitcoin Message Signer: Sign and Verify Messages with Your Address

MiCA Compliance Checker: Is Your Stablecoin EU-Compliant?

Bitcoin Mining Profitability Calculator: Revenue, Costs, and ROI

Bitcoin Multisig Planner: Choose Your m-of-n Setup

OP_RETURN Decoder

Crypto Payment Gateway Comparison: Stripe vs BitPay vs Coinbase Commerce

Bitcoin Payment Link Generator

Payment Processor Fee Comparison: Stripe, Square, PayPal & Crypto

Payment Rails Comparison: SWIFT vs ACH vs Stablecoins vs Lightning

Bitcoin Price Time Machine

PSBT Inspector

RBF Detector

Remittance Cost Calculator: Compare Crypto vs Traditional Transfers

Satoshi to USD Converter

Sats per Dollar Calculator

Script Debugger

Self-Custody vs Custodial Wallets: Complete Comparison

SHA-256 Hash Generator

Stablecoin Cash-Out Route Finder

Stablecoin Comparison: USDC vs USDT vs DAI vs PYUSD vs USDB

Stablecoin Fee Calculator: Compare Transfer Costs by Chain

Stablecoin Issuer Directory: Who Backs Your Digital Dollars

Is This Stablecoin Safe? Reserve & Risk Checker

Stablecoin Yield Comparison: Best APY Rates for USDC, USDT, DAI

Stablecoins vs Bank Deposits: Safety, Yield, and Access Compared

Staking Rewards Calculator: ETH, SOL, ADA, DOT Earnings

Bitcoin Supply Calculator

SWIFT Code Lookup: Find BIC Codes for Any Bank

Timelock Decoder

Unix Timestamp Converter

Bitcoin Transaction Decoder

USDC & USDT Transfer Time Estimator

Crypto Travel Rule Lookup: Country-by-Country Compliance Guide

USDC vs USDT: Which Stablecoin Should You Use?

Bitcoin Wallet SDK Comparison

Which Bitcoin Wallet Should I Use? Decision Guide

Which Layer 2 Is Right for You? Bitcoin & Ethereum L2 Guide

Which Stablecoin Should I Use? Decision Guide by Use Case

Whole Coiner Calculator

XPUB Address Viewer

Bitcoin Address Privacy Audit