// free-toolaB ⇄ a_b
Paste any text — a sentence, a variable name, a heading — and every common case style is generated at once: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, sentence case, and upper/lower. One click copies any of them.
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It detects existing boundaries — spaces, underscores, hyphens and camelCase humps — so myVariable_name splits into my / variable / name before re-joining in the target style.
No — all transformations run locally in your browser.
Encode any text to Base64 — Unicode-safe.
Decode Base64 back to readable text instantly.
Percent-encode text for safe use in URLs and query strings.
Decode percent-encoded URLs back to readable text.
Convert text to its hexadecimal byte representation.
Decode hexadecimal bytes back into readable text.
I build fast, privacy-first web applications with Next.js — these converters run entirely in the browser, and yours can too.