Utilities
Utilities — 4 free browser-based developer tools including Character Difference Counter, Regex Escape and Epoch Converter. Everything runs locally with no signup or uploads, so your data stays private and results are instant.
4 tools
Character Difference CounterFree online character-level diff tool that compares two texts side by side, highlighting added, removed and changed characters in color and counting the exact number of differences between them.
Regex EscapeFree online regex escape tool that automatically escapes special regular expression characters such as dot, asterisk, parentheses and brackets in your text, so any string can be safely used as a literal pattern in regex.
Epoch ConverterFree online epoch converter to turn Unix timestamps into readable dates and back. Convert seconds or milliseconds, view local and UTC time, and get the current epoch instantly.
Text StatisticsFree online tool to analyze text with character count, word count, sentence count, reading time, and word frequency. It counts Korean syllables separately, lists the top 10 words, and updates statistics in real time.