AI Tools
Estimate tokens, test regular expressions, and count strings for prompts and debugging — all client-side.
Which tool for which job
Each primary search intent maps to one canonical tool so pages do not compete with each other.
- Count GPT/LLM tokens and estimate prompt costOwns: token calculator
- Test regular expressions with live matches and groupsOwns: regex tester
- Count characters, words, lines, and UTF-8 bytesOwns: character counter