# Text Diff

Compare two text inputs and show differences

> Canonical page: https://elysiatools.com/en/tools/text-diff

- **Category:** Text Processing

- **Keywords:** text, diff, compare, difference, Text Diff

## Overview

Text Diff is a straightforward utility designed to identify and highlight discrepancies between two blocks of text, allowing you to quickly spot additions, deletions, and modifications.

## Inputs

- **Original Text** (textarea): Enter original text...
- **Modified Text** (textarea): Enter modified text...
- **Show Line Numbers** (checkbox)

## When to use

- Verifying changes between two versions of a document or draft.
- Comparing configuration files or code snippets to find syntax errors.
- Checking for accidental edits or inconsistencies in long-form text.

## How it works

- Paste your original text into the first input field.
- Paste the modified version into the second input field.
- Enable the line numbers option if you need to track specific locations.
- Click the compare button to view the highlighted differences side-by-side.

## Use cases

- Proofreading editorial content for unauthorized changes.
- Debugging configuration files by comparing them against a known working baseline.
- Auditing legal or technical documentation for version control.

## Frequently asked questions

### Is there a limit to the amount of text I can compare?

The tool handles large blocks of text, though extremely long documents may impact browser performance.

### Does this tool save my text?

No, all processing happens locally in your browser, and your text is not stored on our servers.

### Can I compare code files?

Yes, the tool works effectively for comparing source code, scripts, and configuration files.

### What do the different colors represent?

Typically, red indicates removed text, while green indicates added text.

### Can I export the comparison results?

You can copy the output directly from the results area to your clipboard.

## Related tools

- [Resume Job Description Matcher](https://elysiatools.com/en/tools/resume-job-description-matcher): Compare resume text against a job description, normalize keyword variants, and highlight coverage gaps
- [Three-Way Text Comparison & Merge Suite](https://elysiatools.com/en/tools/three-way-text-comparison-merge-suite): Line/word/char diff with ignore rules, three-way merge with conflict markers, and unified patch
- [Advanced Duplicate Line Remover](https://elysiatools.com/en/tools/advanced-duplicate-line-remover): Detect and remove duplicate lines with advanced options for mode, case sensitivity, and trimming
- [PDF Diff](https://elysiatools.com/en/tools/pdf-diff): Compare two PDF documents page by page and highlight text differences
- [Smart Quote Wrapper](https://elysiatools.com/en/tools/quote-wrapper): Wrap whole text, lines, or sentences with typographic quotes, nested quote pairs, and language-aware punctuation.
- [Remove Duplicate Lines](https://elysiatools.com/en/tools/remove-duplicate-lines): Deduplicate lines in a list or text block. Keep the first or last occurrence, with options for case sensitivity, whitespace trimming, and dropping empty lines.
- [Strikethrough Text](https://elysiatools.com/en/tools/strikethrough-text): Add a strikethrough line through every character via the Unicode combining mark U+0336. Plain text — no markdown needed.
- [Add Symbols Around Words](https://elysiatools.com/en/tools/text-add-symbols-words): Quickly add patterns before and after each word in text

## Samples

- [Text with Emoji Samples](https://elysiatools.com/en/samples/text-with-emoji-samples): Mixed language text containing various Unicode emojis for testing emoji extraction
- [Chinese-English Mixed Text Samples](https://elysiatools.com/en/samples/text-chinese-english-mixed-samples): Sample text files with mixed Chinese and English content for testing automatic spacing tools
- [Text Case Format Samples](https://elysiatools.com/en/samples/text-case-formats): Examples of different text case formats: camelCase, snake_case, kebab-case, PascalCase, and more
- [Text with Chinese Samples](https://elysiatools.com/en/samples/text-with-chinese-samples): Mixed language text containing Chinese characters for testing Chinese extraction

## Related content

- [File and Data Diff Comparison Tools](https://elysiatools.com/en/hubs/file-data-diff-comparison-tools): Compare two candidate artifacts, choose the right diff path for the format, review structural or semantic changes, and finish with integrity checks when approval needs byte-level certainty.