Build your Number Base Converter with AI in under 5 minutes

Build a number base converter that translates between binary, octal, decimal, and hexadecimal — and any base from 2 to 36 — with linked fields that update as you type, a bit view, and exact big-integer math. Everything runs in the browser.

仕組み

ステップ 1

アイデアを入力

作りたいものを自然な文章で入力してください。

ステップ 2

AIがビルド

FloopFloopが本番対応コードを即座に生成します。

ステップ 3

デプロイして公開

数分以内に専用サブドメインでプロジェクトが公開されます。

開発者を採用する代わりにAIでビルドする理由

FloopFloop従来の開発者
リリースまでの時間5分未満2〜8週間
費用$0から$5,000〜$50,000以上
メンテナンスプランに含まれる継続的な保守契約

What is a number base converter?

A number base converter translates an integer between the ways it can be written: binary (base 2), octal (8), decimal (10), hexadecimal (16), and anything in between. It's a constant lookup for developers — reading a hex dump or a colour code, working out a bitmask, decoding a permission flag, turning a binary literal into something legible. The value itself never changes; 255, 0xFF, and 0b11111111 are the same number written three ways. The canonical tools — the rapidtables and browser-console converters — take a value in one base and show the others. Two things separate a solid one from a flaky one: it keeps every field linked so you can edit any of them and watch the rest update, and it does the math with arbitrary-precision integers so large values (a 64-bit mask, a big hex hash fragment) convert exactly instead of silently rounding once they pass JavaScript's 2^53 safe-integer ceiling.

Common features

  • Binary, octal, decimal, and hexadecimal fields
  • A custom base from 2 to 36
  • Linked fields — edit any one, the rest update live
  • Exact arbitrary-precision (BigInt) conversion
  • Per-field digit validation with invalid-input highlighting
  • A grouped bit view (4-bit nibbles) with bit count
  • Signed (negative) value support
  • One-click copy of any representation
  • Everything client-side — nothing uploaded
  • Light and dark themes; last value remembered

Real-world examples

Reading a hex value

A developer pastes 0x1F4 from a register dump into the hex field and instantly sees it's 500 in decimal and 0b111110100 in binary.

Building a bitmask

Someone types a binary flag pattern and reads off its decimal and hex values to drop into code, checking the bit count as they go.

A big 64-bit number

A value well past 2^53 is converted from hex to decimal exactly — no rounding — where a parseInt-based converter would have lost precision.

Why FloopFloop fits number base converter projects

A base converter is a tiny tool you want instant, ad-free, and exact. FloopFloop ships the converter you want — the bases you use, the bit view, your own additions — on your own domain, with all the math (BigInt, so it never rounds) running in the browser. The 'base console' that ships by default keeps every representation linked in clean monospace rows, and the whole thing is one prompt away from being whatever fits your workflow.

試してみてください

以下のプロンプトをコピーしてFloopFloopに貼り付けてお使いください。

Build a number base converter. Show linked fields for binary, octal, decimal, and hexadecimal (plus one custom base from 2 to 36) that stay in sync — type a value in any field and the others reformat instantly. Use BigInt for the math so values beyond 2^53 convert exactly with no float rounding, validate each field's digits against its base (highlight invalid input), and show a grouped bit view with the bit count. Add per-field copy. Keep it deterministic so the first render is hydration-safe, and remember the value in localStorage. 100% client-side.

Create a binary/decimal/hex converter like rapidtables: enter a number in one base and see it in the others. Handle big numbers correctly and let me copy any value. Keep everything in the browser.

Build a radix converter for developers — binary, octal, decimal, hex, and arbitrary bases up to 36 — with a bit-grouped view and a dark theme.

Build a tool to convert between number bases (base 2 through 36) with live linked inputs and exact integer math, for reading hex dumps, bitmasks, and binary literals.

よくある質問

Which bases does it support?
Binary (2), octal (8), decimal (10), and hexadecimal (16) as dedicated fields, plus a custom field for any base from 2 to 36 (digits 0–9 then a–z). Type in any field and the rest update.
Does it handle very large numbers?
Yes. All conversion goes through arbitrary-precision integers (BigInt), so values far beyond JavaScript's usual 2^53 safe-integer limit convert exactly — no silent rounding the way a naive parseInt-based tool would produce.
What's the bit view for?
It shows the binary representation grouped into 4-bit nibbles with the total bit count — handy when you're working with bitmasks, flags, or checking how many bits a value needs.
How is this different from a unit converter?
A unit converter changes physical units (kilometres to miles); a base converter changes how the same integer is written (255 = 0xFF = 0b11111111). The value never changes, only its representation.
Is anything sent to a server?
No. Every conversion happens in your browser and your last value is saved to localStorage only. The single outbound surface is the /api/health probe.

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