Bitcoin Retirement Calculator
Plan your crypto retirement with DCA strategy analysis and scenario planning. Calculate how much Bitcoin you need.
Free online tools — no install, no upload.
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Convert Markdown to JSON online — or reverse: turn a JSON array into a Markdown table in one click. Bidirectional, browser-based, no upload.
Convert now →Bitcoin Retirement
How much BTC do you need to retire? Live price data, DCA backtester, and three lifestyle tiers (minimal / comfortable / rich). Free, no sign-up.
Calculate now →All Tools
Bitcoin Profit Calculator
Calculate your BTC trading profit, loss, ROI, and fees instantly. Includes break-even price and custom fee rates.
Bitcoin What If Calculator
What if you had bought Bitcoin earlier? See how much your investment would be worth today with historical price data.
Satoshi Converter
Convert between Bitcoin (BTC), Satoshi (sats), and USD instantly. Live prices and quick reference table.
Bitcoin DCA Calculator
Backtest your Bitcoin dollar-cost averaging strategy with real historical data. Compare DCA vs lump sum investing.
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Image Compress
Compress images online free — reduce JPG, PNG, WebP file size in your browser. No upload, instant download.
Markdown to JSON
Convert Markdown to JSON online — bidirectional MD↔JSON converter. Also converts JSON arrays to Markdown tables.
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Convert Markdown to PDF free online. GitHub, Academic & Minimal styles. A4 & Letter. No upload required.
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