Diff Checker

Online diff checker for text & code with AI summaries. Quickly check diff, text compare and find the difference between versions

🛠 Powerful and User-Friendly Diff Checker is a robust Chrome extension designed to compare differences between text, code, and Office documents (DOCX, XLSX). Perfect for developers, testers, writers, and anyone needing fast, accurate change detection in files. 🌟 Key Features: 🗒 Text Diff Checker: Easily analyze any text or code directly in your browser. 🤖 AI-Powered Summaries: Generate intelligent diff summaries using OpenAI API with configurable analysis modes. 📝 Multi-Language Support: Works with various programming languages for diff check. 🌐 Online Access: Use the tool anytime, anywhere, diff checker online. 🌍 JSON Diff Checker: Identify structural and data differences with json compare. 💾 Diff File Checker: Detect differences in entire files. 📎 Office File Diff: Compare Office documents (DOCX, XLSX) with automatic in-browser text conversion. 🌐 Online Difference Checker: Compare without uploading files to third-party servers. 🛠 Code Diff Checker: Ensure precise code differences. ✅ Possibility to Ignore Spaces and Minor Changes. ⚙️ Customizable Comparison Settings for more accurate results of diff check online. 🔗 Compare Tabs Directly: Select two open tabs in your browser to instantly load and compare their source code or text side by side. 🧠 Smart Analysis: Choose between full text analysis or diff-only analysis for optimal AI insights. 🎉 Benefits of Using Diffchecker: 🔒 Your Data Stays Safe! Diff Checker software operates locally in your browser. We do not transmit any of your data to external servers. * Time Savings: Quickly find changes, check diff online, eliminating manual checks. * Enhanced Accuracy: Highlights differences, reducing missed edits. * AI Insights: Get intelligent summaries of your changes with configurable AI analysis. * Better Collaboration: Share comparison results with ease. * Multi-Format Support: Compare text, code, and JSON seamlessly with our diff online checker. * Simple & Intuitive: User-friendly interface for all skill levels. 🤖 How It Works: 1. Open the Diff Checker extension. 2. Insert two versions of text or code — or select two open browser tabs to compare directly. 3. Click "Compare". 4. View the highlighted differences. 5. Optional: Generate AI-powered summary of changes with your OpenAI API key. 🎨 Use Cases: 👨‍💻 Software Development: Compare code versions for debugging with AI-generated change summaries. 🎨 Web Development: Identify changes in HTML, CSS, and JavaScript. 📚 Document Writing: Track text difference in documents. 📊 Data Handling: Compare JSON structures with json diff. 🔄 Version Control: Check differences between commits with intelligent analysis. 🎓 Online Education: Review assignment modifications. 💪 Configuration Files: Compare server settings. 📂 Version Control: Monitor changes in reports, documentation, and source code. ✍️ Content Editing: Compare drafts and final versions before publishing. 🖥 Software Testing: Track modifications in configuration files and logs with diff online. 🔬 Scientific Research: Analyze differences in data sets and experiment results. 📊 Additional Technical Features: 🎨 Support for Various Encodings (UTF-8, ASCII, ANSI, etc.). 💾 Ability to Upload Files for comparison. 🔍 Automatic File Format Detection. 🔗 Compare Open Tabs: Quickly pick any two open browser tabs to load and compare their source code or text. 🤖 AI Integration: Optional OpenAI API integration for intelligent diff analysis and summaries. ⚙️ Configurable AI Settings: Choose your preferred model and analysis mode for optimal results. ❓ Frequently Asked Questions: 🕵️ How does Checker work? It compares two versions of text or code and highlights the differences. 🛠 Do I need an internet connection to use text diff? No, Diff Checker works entirely offline in your browser. AI features require internet connection and OpenAI API key. 🔒 Is my data stored or sent to a server? No, all processing including text comparing online happens locally on your device, ensuring complete privacy. AI features optionally send data to OpenAI for analysis when enabled. 🤖 How do AI summaries work? AI summaries use OpenAI's API to analyze your diffs and provide intelligent insights. You need to provide your own API key, and this feature is completely optional. 🎨 Can I compare JSON files with jsondiff? Yes! Our tool supports JSON structure comparisons. 📚 Does it support multiple programming languages? Yes, Diff Checker can compare code in various programming languages. 🔎 Can I compare entire files instead of pasting text? Yes! You can upload and compare entire files directly in the extension. 🔄 Can I undo changes or revert to a previous comparison? The tool allows you to run multiple comparisons, but you need to save results manually. ⚙️ Are there advanced settings for comparison customization? Yes! You can configure options like case sensitivity, ignoring whitespace, AI analysis modes, and more. 🔍 Does Diff Checker work with large files? Yes! Our tool is optimized to handle large files efficiently. 📝 Can I export the comparison results after compare text online? Currently, you can copy results, and an export feature is planned in future updates. 🧐 How does diff checked work in this tool? "Diff checked" means that the tool has successfully analyzed the differences between two versions of text or code, highlighting modifications, additions, and deletions. 💻 Can I use code diff check to compare code in different programming languages? Yes! Our extension check supports various programming languages, including JavaScript, Python, Java, C++, HTML, CSS, and more. You can easily identify changes in your source code. 📊 How does Json diff check work? Json diff check compares two JSON structures, detecting differences in keys, values, and nested objects. This is especially useful for API testing and database management. 💻 How does code compare work? Code compare allows you to analyze differences between two versions of code, highlighting modifications, additions, and deletions. It supports multiple programming languages, making it a valuable tool for developers. 📜 Can I use text compare online without installing any software? Yes! text compare online works directly in your browser, requiring no downloads or installations. Simply paste your text, run the comparison, and see the differences instantly. 🔒 Privacy Matters: Local Data Processing: All comparisons are performed directly on your computer, without any data being sent to external servers. This means that your sensitive information, such as code snippets or confidential documents, never leaves your local environment. No Data Logging: The extension does not log, store, or transmit any of your input data. We have no access to what you compare, and we do not keep any records of your activity. Enhanced Security: By operating locally, "Diff checker" minimizes the risk of data breaches and unauthorized access. You can use the extension with confidence, knowing that your information is safe and secure. AI Privacy: When using AI features, data is sent to OpenAI only when you explicitly enable this feature and provide your API key. This is completely optional and under your control. We believe that privacy is a fundamental right, and we are committed to providing a tool that respects and protects your data. With our extension, you can compare text and code with peace of mind, knowing that your information remains entirely under your control. 🚀 Get Started Today! Elevate your workflow with "Diff Checker". Install now and experience effortless text comparison—whether it's between two files, two snippets of text, or even two open tabs in your browser! Optionally enhance your workflow with AI-powered insights. ** Release Notes ** v1.1.5 - Office files (DOCX, XLSX): upload either side and we’ll convert content to text for diffing. - Clear guidance and tooltips about supported formats and limits; progress and status during processing. - Better error messages for unsupported, corrupted, or password‑protected files. - General UX polish and stability improvements. v1.1.4 - Diff stats in headers: added/removed/modified at a glance. - Copy button in Diff Viewer to quickly copy code or selected lines. - Cleaner UI with Feedback and Rating links. - Clearer English copy across the app. - Performance and stability improvements. v1.1.3 - AI-powered diff summary: optional, concise explanation of key changes. - Local comparison history: quickly reopen recent comparisons. - Faster rendering and smoother scrolling on large diffs. v1.1.2 - Better syntax highlighting and formatting for popular languages. - Smarter language detection for more accurate styles. - Small UI tweaks and bug fixes. v1.1.1 - Initial release with side‑by‑side diff, line numbers, and theme support. - Basic settings and clipboard support for quick copy/paste. - Core performance and stability baseline.