Retired Tools
Retired Tools
A small library of interactive pages at /tools. Each tool does one thing — converts, calculates, answers a specific numeric question — and gets out of the way. No sign-in required, no tracking, no notifications.
Tools are different from the blog on purpose:
- Blog posts explain a topic end-to-end. Long-form reading.
- Tools give you a number, a rate, or an answer. Short-form use.
You can have the same subject covered in both places — a blog post about patience and a tool that calculates it — and the two link to each other.
How to use a tool
Open /tools, pick one from the grid, and it loads. Every tool is one page: the widget sits at the top, an explainer below, and a short FAQ at the bottom for edge cases.
All tools work on your phone or desktop. Inputs are keyboard-friendly (Tab to move between fields, Enter to calculate). Nothing you type leaves your device unless the tool specifically calls a price API (e.g. a live crypto converter).
Filtering
The /tools index has topic filters at the top — tap a pill to narrow down. The same tool can appear under multiple topics. Tap All to clear.
Sharing a tool
Every tool has its own short URL like /tools/<slug>. Copy the URL bar to share the exact thing.
Converters
The currency-converter cluster lives at /tools/converters — every supported crypto × fiat pair (BTC / ETH / SOL / XRP × USD / EUR / GBP / JPY / AUD / CAD / INR / IDR / RUB / BRL / TRY / KRW), each with its own page, live spot rate, and explainer. There's a dedicated Converters entry in the platform menu under Content so the hub is one tap away from anywhere.
Each converter page accepts input three ways — type a number, tap a quick-pick pill (common shopping sizes like 0.001 / 0.01 / 0.1 / 1 / 5 BTC, or €10 / €100 / €1k / €10k), or step with the ± buttons (which adapt to whatever order of magnitude you're already in). Whichever side you change, the other recomputes immediately at the live rate.
What's here right now
- How long to save to buy it outright — the patience calculator. Pick a target (Bitcoin, a Porsche, a small house, or a custom number), pick what you can save per month, see when you'd own it with no loan and no interest paid.
More on the way.
Favorite tools
Tap the heart on any tool card to save it to your favorites. Your favorites pin to the top of /tools in a "Favorite tools" section so the ones you actually use are always one click away. Once you have at least one, a "Favorite tools" entry also appears in your menu under Content. Open /tools#favorites from anywhere to jump straight to it.
Favorites are an account feature — sign in to save them. The numbers you type into a tool are still local to your tab; only the pinned-tool list itself is stored against your account.
What's not here
- No user accounts on the tool calculators themselves. Nothing you type into a tool is saved server-side; every number disappears when you close the tab. (Favorites are just the list of which tools you've pinned, not their inputs.)
- No embeds. You can't drop a Retired tool into another site yet. If that becomes useful, we'll add it.
- No RSS for tools. The blog has one; tools are interactive references, not serialized content.
For tool ideas
If there's a specific calculation or conversion you'd use regularly and it isn't here, let us know. The bar for a new tool is simple: it answers a clear numerical question, it works in a few seconds, and it doesn't need to be a 1,500-word article.