Bitcoin Tools

25 free tools for learning, analyzing and using Bitcoin. No signup. No ads.

9 live tools·16 coming soon

Live Tools

Real-time data, no account required

Fee Calculator

Live

Calculate exact transaction fees using real-time mempool data.

Open Tool

BTC ↔ USD Converter

Live

Convert between BTC, satoshis and USD with live CoinGecko prices.

Open Tool

Price Chart

Live

Bitcoin price history — 7D, 1M and 1Y views with stats.

Open Tool

Mempool Explorer

Live

Real-time fee rates, mempool congestion and recent blocks.

Open Tool

Halving Countdown

Live

Countdown to the next halving with full halving history.

Open Tool

Address Checker

Live

Look up any Bitcoin address — balance, history and UTXOs.

Open Tool

Scam Scanner

Live

Check if a Bitcoin address has been flagged for fraud or abuse.

Open Tool

Learning Simulator

Interactive

Step-by-step interactive Bitcoin transaction walkthrough.

Open Tool

Wallet Generator

Client-side

Educational client-side wallet — learn key derivation.

Open Tool

Coming Soon

In development

DCA Calculator

Dollar-cost averaging strategy modeler

Mining Calculator

Profitability based on hashrate & power

Lightning Decoder

Decode BOLT11 Lightning invoices

Seed Validator

Verify BIP39 mnemonic checksums

Transaction Decoder

Decode any raw Bitcoin transaction

Hash Calculator

SHA256 & RIPEMD160 calculator

Multisig Guide

Interactive multisig setup wizard

Block Explorer

Search blocks and transactions

UTXO Calculator

Coin selection and consolidation

Key Derivation

HD wallet derivation path viewer

Script Builder

Bitcoin Script opcode composer

Merkle Verifier

Verify a transaction in a block

Supply Chart

Bitcoin supply issuance chart

Node Checker

Check if a node is reachable

Paper Wallet

Generate printable cold storage

Output Descriptor

Decode wallet output descriptors