Free Bitcoin Tools
Calculators and utilities for people who buy Bitcoin with privacy.
Bitcoin DCA Calculator
See how much you'd have today buying $X in Bitcoin every month over the past years. Chart and real price history.
Currency to Bitcoin Converter
Convert USD, EUR or BRL to Bitcoin (satoshis) in real time. How much is $100 in Bitcoin today?
Bitcoin Network Fee Now
Current Bitcoin network fee (sat/vB) in real time. Find the best moment to transact.
Stacking Sats Simulator
Set your satoshi goal and get a monthly plan to stack 1 Bitcoin, with progress bar and ETA.
Bitcoin Tax Calculator (Brazil)
Calculate tax on Bitcoin gains in Brazil. Exemption up to R$35k/month of sales, with the tax brackets.
Bitcoin Fear & Greed Index
See today's Bitcoin Fear & Greed index, cross-checked with price, and a simple market read.
Stablecoin Yield Calculator
Simulate passive yield on stablecoins (USDT) and compare with savings. Compound interest.
KYC vs No-KYC: Privacy Comparator
Compare buying Bitcoin with KYC versus without: reported data, block risk, self-custody and privacy.
Buy Bitcoin Without KYC
Table of platforms to buy Bitcoin without KYC: daily limits, methods and privacy level.
Self-Custody vs Exchange: Is It Worth It?
Compare the risk of leaving Bitcoin on an exchange with a hardware wallet's cost — and its payback time.
Check Bitcoin Address
Validate a Bitcoin address, identify the format (Legacy, SegWit, Taproot) and view on-chain balance.
How a Bitcoin Wallet Works
Understand how a Bitcoin wallet generates keys: BIP39 mnemonic, private key and address. Educational demo.
Pix to Bitcoin API (Sandbox)
Simulate a PixBitcoin API call: generate a Pix→BTC charge payload, see the QR Code and copy the curl command.
Bitcoin Price Widget for Your Site
Embed the Bitcoin price on your blog with one line of code. Free, lightweight, real-time widget.