Text Diff Checker
An online text diff checker that supports line-by-line comparison of two texts, highlighting additions, deletions, and modifications. Suitable for code review, document version comparison, and more.
Instructions
How to Use\n1. Paste the original text on the left\n2. Paste the comparison text on the right\n3. Lines are compared automatically with highlighted differences\n4. Switch view modes
FAQ
How are differences shown?
Line-by-line comparison; additions are highlighted green and deletions red.
What is it good for?
Code review, document version comparison, article proofreading and more.
Related Tools
Related Articles
How to Use Code Minify and Beautify: Complete Steps to Run Locally in the Browser
Complete code minification and beautification in the browser without installing software or uploading source code. Follow six steps to get readable or compact code, with troubleshooting methods for large-file lag and mobile use.
tool-tutorialsWhat Is JSON to TypeScript Interface Conversion? A Clear Explanation for Beginners
Paste a piece of real JSON and get TypeScript interface code that can be placed directly into your project, while also learning about field optionality, null handling, and error troubleshooting methods, so API debugging takes fewer detours.
tool-tutorialsHow to Extract Text from PDF: Complete Steps from Scanned Files to Copyable Text
This guide helps you choose the right method by file type and use case, from directly copying text-based PDFs to OCR recognition of scanned files. It covers the trade-offs between online tools and software, mobile operation, time estimates for large files, and common troubleshooting, so you can avoid detours and quickly get editable, proofreadable text.
tool-tutorialsWhy Does Image to PDF Conversion Cause Layout Disorder
By following the steps in this article, you can identify the real causes of image to PDF layout disorder, learn mobile conversion, batch processing, file compression, and choosing the right conversion method, so your output PDF pages are neat, correctly ordered, and size-controlled.