Split text into sized chunks online
Check text against LLM context limits online
Estimate LLM token count online
Estimate LLM API cost from tokens online
Count UTF-8 bytes in text online
Preview GitHub-flavored Markdown live in the browser as you type
Test patterns and extract matches with JavaScript-style regex online
Strip HTML, slugify titles, normalize whitespace, and validate URLs in the browser
Generate Lorem Ipsum texts, edit, replace, and read portions of text
Compare semantic version strings and decode standard five-field cron schedules in the browser
Count days between dates and check leap years with calendar math in the browser
34 tools