Text Slicer Tool
Extract substrings by index, lines, or get text between two strings
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Extraction Mode
Configuration
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What is a Text Slicer Tool?
A Text Slicer Tool extracts specific portions of text using three powerful methods: by character position (index), by line numbers, or by finding text between two markers. It's essential for parsing HTML, extracting data from logs, manipulating code, and processing structured text.
If you simply need to shorten text to a certain length, checking out our Text Truncator Tool might be faster. For dividing text into equal chunks, use the Split Text Tool.
Features
Slice by Index
Extract substring from character X to Y.
Slice by Lines
Get specific line ranges from multi-line text.
Extract Between
Find all text between two markers (tags, brackets).
Remove Mode
Delete selected portions, keep the rest.
File Upload & Download
Process files and save extracted results.
100% Private
All processing happens locally.
Common Use Cases
HTML Parsing
Extract content from HTML tags using Extract Between mode. Get all headings, link href values, or div content from web pages.
Log File Analysis
Extract specific line ranges from error logs, server logs, or debug output. Get lines 100-200 from a large log file to analyze specific events.
Data Extraction
Extract values from structured text using markers. Get prices between $ and space, dates between [ and ], or any pattern-based data.
Example: Extract HTML Links
<a href="page2.html">Link 2</a>
---
Link 2
Frequently Asked Questions
How do I extract a substring by character position?
Select 'Slice by Index' mode and enter the Start Index (0 for beginning) and End Index (leave 0 for end of text). For example, to get characters 10-50, enter Start: 10, End: 50. The tool displays the exact substring between those positions.
How do I extract specific lines from text?
Choose 'Slice by Lines' mode and enter the line numbers you want (1-based). For example, Start Line: 3, End Line: 7 extracts lines 3 through 7. Perfect for getting sections from logs, code files, or multi-paragraph text.
How do I extract text between two markers?
Select 'Extract Between' mode and enter your Start Text and End Text markers. For example, use <div> and </div> to extract all div content from HTML. The tool finds ALL matches and displays them separated by ---. Enable 'Include markers' to keep the start/end text in results.
What is Remove Mode?
Remove Mode (inverse mode) deletes the selected portion instead of extracting it. For example, if you select lines 5-10 with Remove Mode enabled, the tool returns all lines EXCEPT 5-10. Useful for removing unwanted sections from documents.
Can I extract multiple HTML tags at once?
Yes! Use 'Extract Between' mode with HTML tags as markers (e.g., <h1> and </h1>). The tool finds ALL occurrences and displays each match separately. Perfect for extracting all headings, links, or specific elements from web pages.
How do I extract parenthesized text?
Use 'Extract Between' mode with Start Text: ( and End Text: ). This extracts everything inside parentheses. You can use any markers: brackets [], braces {}, or custom delimiters like START and END.
Can I extract text from code files?
Yes! Upload your code file (.js, .py, .html, etc.) and use line mode to extract specific functions or index mode for character ranges. Or use 'Extract Between' to get code between comments like /* START */ and /* END */.
Is my data safe and private?
Yes, 100% safe. This tool runs entirely in your web browser using client-side JavaScript. Nothing you type or paste is ever sent to our servers or stored anywhere. Perfect for sensitive content like code, logs, or confidential documents.
Can I see before and after side-by-side?
Yes! Click the 'Compare' button to enable comparison mode. This displays your original source text on the left and the extracted/sliced result on the right, making it easy to verify exactly what was extracted.
How does index numbering work?
Character indices are 0-based (first character is 0). For example, in 'Hello World', index 0 is 'H', index 6 is 'W'. Slice from 0 to 5 gives 'Hello'. Leave End Index as 0 to go to the end of text.