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Placeholder text generator — by paragraphs, sentences, or individual words.
Convert text or an identifier into every common naming style at once — camelCase, snake_case, kebab-case, and more. Recognizes word boundaries in camelCase/PascalCase, acronyms (XMLParser → XML + Parser), and around digits.
Compare two texts line by line — what was added, removed, or changed, with word-level highlighting inside changed lines.
Test regular expressions against real text: highlighted matches with parsed capture groups, or replace matches with new text.
Sort lines of text alphabetically, remove duplicates, empty lines, and extra whitespace.
Escape text into a string literal (quotes, backslash, control characters) for pasting into code, or unescape it back.
Convert line endings between Windows (CRLF), Unix/macOS (LF), and classic Mac (CR), with mixed-ending detection.
Base64 encode and decode — text and files, right in your browser.
Format (2-space indent), minify, and validate JSON right in your browser.
Decode a PEM certificate (X.509/ASN.1 DER) — subject, issuer, validity, public key, extensions, and fingerprints.
Convert a number into text (in Ukrainian, Russian, or English), with an optional currency-amount mode for hryvnia, dollar, euro, or ruble.
Compress CSS for production, or format minified CSS into a readable layout.
Fix broken JSON — trailing commas, single quotes, unquoted keys, comments, Python literals (True/False/None), and more — with a full list of every fix applied.