Tools & Calculators
Small calculators for the questions that come up while reading. Everything runs in your browser; nothing is sent anywhere.
12 tools
Crypto Converter
Convert between BTC, ETH, XMR, LTC, USDT and USD, EUR, GBP with live CoinGecko rates.
Staking Calculator
Project monthly and yearly staking income from an amount, an APY and a holding period.
Position Size Calculator
Size a trade from portfolio, risk per trade, entry and stop-loss so one loss stays affordable.
DCA Calculator
Simulate dollar cost averaging month by month with a chart and an average entry price.
Fee Calculator
See what maker and taker fees cost per trade, per month and per year, next to popular exchanges.
Tor & Leak Check
See your public IP, whether it is a Tor exit relay, what your connection reveals, and whether WebRTC leaks your real address.
Password Check
Entropy, crack-time estimates and a Have I Been Pwned breach lookup that never sends your password.
Image Metadata
See what a photo carries (camera, GPS, timestamps) and download a stripped copy. Files never leave your browser.
URL Cleaner
Strip tracking parameters and unwrap redirect links before you share or open them.
Email Header Analyzer
Paste raw headers to see the relay chain, SPF, DKIM and DMARC results and common phishing signs.
Exposure Report
A ten-second audit of how exposed you are right now: network, browser fingerprint, protections, passwords and habits, scored 0–100 with the three fixes that matter most.
Threat Model Worksheet
Answer six questions about who you are and what you protect; get a prioritised toolkit and reading list.