ToolzHub
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.