Letteros tools

Free online tools for working with code and text. Everything runs in the browser, no sign-up required.

Code & markup

Compress HTML right in the browser: strips comments, whitespace and optional tags.

Compress CSS: strips whitespace, comments and duplicates, and shortens colour values.

Compress JavaScript: strips whitespace and comments, shortens local variables.

Proper Russian typography: guillemet quotes, dashes and non-breaking spaces.

Characters, words, paragraphs and reading time, with email and SEO guidance.

UPPER, lower, Sentence case, Title Case or iNVERTED — instantly.

Removes repeated lines, keeps the original order and shows statistics.

Sort lines alphabetically, by length or numerically, ascending or descending.

A short link with a custom ending and a QR code in one step.

A tagged link for a campaign or an ad: presets, transliteration and one-click copy.

A mailto link with subject, body, cc and bcc, plus ready-to-use HTML.