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The most-searched tool there is

A converter that just answers.

Converting is one of the most searched things on the web. Pick a pair people actually look up and put it on its own address.

1

Converting what into what?

Name both sides, and any presets people would want. Narrow beats broad: one good pair outranks a page that does forty badly.

It's a
Type it here
Or start from one of these:
  • Name both units explicitly
  • Ask for it to work both directions
  • Add the presets people look up most
2

Pick a look

Two quick choices — skip them and we'll decide for you. Change any of it later.

Main colour
3

Copy it, then bring back the reply

One tap copies everything. Paste it into an AI, then drop what it gives you back below.

Then open one of these and paste it in. All three are free.
C Claude G ChatGPT ✦ Gemini
Paste the AI's reply here All of it, or just the code block. We'll sort out the rest.
4

Try it, name it, put it online

This is your real page, running. Have a play before anyone else sees it.

Your page
Your page appears here Paste the AI's reply above and it runs right here, for real.
Your site gets its own address. Pick what it says.

No account. No card. Live for 48 hours, and claim it free any time to keep it forever.

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Harder than it looks

Four things most converters get wrong

The prompt above asks for all four, which is most of why the result feels finished.

Both fields editable

People arrive knowing either number. A converter with one input and one read-only output is half a tool.

Sensible rounding

2.54, not 2.5400000000000005. Show a useful number of decimals and say what was rounded.

A reference table

The dozen values people actually look up, listed underneath. Most visitors want one of those and never touch the input.

It remembers the pair

Somebody converting cups to grams will do it again next week. Reopening on the same two units saves them the setup.

The strategy

One pair, done properly

There are thousands of general converters and they all look the same. The searches worth having are specific.

Instead ofWhy it losesBuild this
"Unit converter"Competing with every big reference site at once"Cups to grams for baking ingredients"
"Temperature converter"Answered directly in the results page"Oven temperature conversion with gas marks"
"Size converter"Too vague to match any real search"UK to US kids' shoe sizes"
"Data converter"Ambiguous, and mostly developer traffic"MB to GB, 1000 vs 1024 explained"

Nothing stops you building several. The free account allows five sites at once, so a narrow converter each is a reasonable way to cover a topic properly.

Build your converter
Questions

Asked and answered

Can it convert currency?

It can, but only with rates written into the page, because live rates need a server call. That is fine for a rough guide and clearly labelled, but do not build a trading tool on it.

Why build one when so many exist?

Because most of them are broad and mediocre. A page that does one pair properly, with the presets people actually search for, tends to beat a general converter for that specific search.

Can it handle ingredient-specific cooking conversions?

Yes, and the cooking example above asks for exactly that. Flour, sugar and butter have different densities, so a cup of each is a different weight, and a good converter knows that.

Will it work offline?

Once loaded, yes. Everything runs in the browser with no server call, so a converter carries on working if the connection drops.

Can I add more unit types later?

Yes. Claim the site with a free account, then either edit the page directly or ask the AI for an expanded version and paste it over the top.

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