Free Crypto Tools & Calculators
A free suite of calculators and trackers powered by live market data — convert coins, calculate profit, size trades and more. No sign-up, no limits.
Free crypto and market tools, powered by live data
Fox Periodical offers a growing suite of free calculators and trackers that turn live market data into quick, practical answers — no sign-up, no paywall and no limits. Whether you are converting coins, reviewing a trade, planning a long-term investment, managing risk or watching Ethereum gas, there is a purpose-built tool for the job. Every one runs on the same real-time feed that powers our coin pages and markets table, so the numbers you act on are current.
Calculators run entirely in your browser and your watchlist stays private on your own device, so you get fast, accurate results without handing over any personal data.
Which tool should you use?
| If you want to… | Use this tool | What it gives you |
|---|---|---|
| Value or price crypto | Crypto Converter | Any coin to any coin or USD at live rates, with a conversion table |
| Review a trade | Profit Calculator | Net profit, ROI, multiple and break-even after fees |
| Invest steadily over time | DCA Calculator | A backtest of dollar-cost averaging vs a lump sum, with a chart |
| Choose between assets | Compare Coins | Two coins side by side on every key metric |
| Manage trade risk | Position Size | The exact size to risk only what you intend, with risk-to-reward |
| Track your coins | Watchlist | Live prices and private profit/loss, saved in your browser |
| Transact on Ethereum | Gas Tracker | Live gas prices and the dollar cost of common actions |
Built for speed, privacy and accuracy
Private by default
Calculators run in your browser and your watchlist is stored only on your device. There is no account, no tracking of your inputs, and nothing to sign up for.
Live, trustworthy data
Prices, market caps and volumes are aggregated from established market data sources and refreshed continuously; Ethereum gas comes straight from the live network.
How to get the most from the suite
- Chain the tools. Define your downside with the position size calculator, then model the upside with the profit calculator.
- Research before you act. Use compare coins to shortlist, then open each coin page for the full picture.
- Plan, then track. Backtest a plan with the DCA calculator and follow your holdings with the watchlist.
Accurate data you can trust
Read more about where our numbers come from on our methodology page. Everything here is for information and education only — it is not financial advice, and crypto and stocks are volatile and high-risk, so always do your own research before making any decision.
Tools FAQ
Are these crypto tools really free?
Yes. Every calculator and tracker is completely free to use, with no sign-up and no usage limits.
Where does the data come from?
Tools that need market data use the same live price feed as the rest of the site, cached briefly for speed and reliability.
Is my data private?
Yes. Calculators run entirely in your browser, and your watchlist is saved only on your own device (localStorage) — never on our servers.
Do these tools give financial advice?
No. They are provided for information and education only. Crypto is high-risk; nothing here is financial advice.
Are these crypto tools really free?
Yes — every tool is completely free, with no account required and no limit on use. The calculators run in your browser and the trackers read from our live data feed.
Do I need to create an account or sign up?
No. There is no registration and no email needed. Your watchlist is saved privately in your own browser rather than in an account.
Where does the data behind the tools come from?
Crypto prices and market data are aggregated from established market sources and updated continuously; Ethereum gas comes from the live network. See our methodology page for the full detail on sourcing and refresh frequency.
Are the tools financial advice?
No. They are for information and education only. Crypto and stocks are volatile and high-risk, so always do your own research and consider professional advice before making decisions.
Do the tools work on mobile?
Yes. Every tool is responsive, and wide tables scroll horizontally so the suite is fully usable on a phone or tablet.
Is my data kept private?
Yes. Calculators process everything locally in your browser, and the watchlist is stored on your device using local storage — your inputs are not uploaded or tied to an account.
Which tool is best for a beginner?
Most people start with the crypto converter to value holdings and the compare coins tool to understand why market cap matters more than price. From there, the profit and DCA calculators help you plan.
How often is the market data updated?
Prices and market data refresh continuously while a page is open, and the gas tracker updates roughly every 30 seconds, so you are always working from current figures.