Convertor · 9 text tools

Text conversion tools

Small developer utilities — format and validate JSON, switch text case, count words, and encode or decode Base64 and URLs as you type.

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Encode text to Base64 or decode it back, with full Unicode support.

Pretty-print, minify and validate JSON in your browser — nothing leaves your machine.

Switch text between upper, lower, title and sentence case instantly.

Turn a JSON array of objects into a spreadsheet-ready CSV with proper escaping.

Compute the SHA-256 hash of any text instantly, right in your browser.

Convert Unix timestamps to dates and back — seconds or milliseconds, both directions.

Percent-encode or decode URLs and query strings safely.

Generate random UUIDs (v4) in bulk — one, ten or twenty-five at a time.

Count characters, words and lines in real time as you type.