Text Comparison & Analysis Tools
Compare text, JSON or CSV, count words and characters, and test regular expressions. Free tools that process your input in your browser.
Text Diff Checker
Compare text versions by lines, words, or complete characters.
JSON Diff
Compare JSON values by structure and inspect each changed path.
CSV Diff
Match CSV rows by a key and inspect changed cells.
Word Counter
Measure writing, reading time, frequent words, and repeated phrases.
Character Counter
Check text size, platform budgets, and SMS encoding segments.
Regex Tester
Inspect JavaScript regex matches, capture groups, and replacements.
Choose a tool for your next step
- Compare prose by lines or words, JSON by structure, or CSV rows by a key column.
- Check document length or inspect a search pattern before applying replacements.
When continuing with another tool, copy only the result you need. Your input is not transferred automatically.