Text utility
Character Index Explorer
Inspect text by character index, highlight ranges, and find exact matches instantly.
Input text
Paste or type text to analyze character positions in real time.
Live preview
Highlighted characters reflect your current index, search, and range filters.
Start by entering some text.
Filters
Range extract
Set both start and end index to extract a substring.
Original characters: 0
Filtered characters: 0
Highlighted characters: 0
Everything runs locally in your browser. No text is uploaded.
Precise index lookup
Jump to any filtered character index and map it back to its original position.
Fast occurrence search
Find all matches instantly and highlight every matching character in context.
Flexible filtering
Ignore spaces/punctuation or keep only letters/digits to focus on clean text segments.